diff --git a/examples/addresses.js b/examples/addresses.js
new file mode 100644
index 00000000..66b007f6
--- /dev/null
+++ b/examples/addresses.js
@@ -0,0 +1,31 @@
+var Plivo =  require('../dist/rest/client.js');
+var fs = require('fs')
+var client = new Plivo.Client();
+
+client.addresses.create("en-US", "Mr", "first_name", "last_name", "address_line1", "address_line2", "New York", "Region", "Postal Code", "nation_id",
+  {
+    file: fs.createReadStream(__dirname + '/../jpg.jpg'),
+    // callback_url: 'https://putsreq.com/tkbaN78VBDDgaYgxILzk',
+  })
+  .then(function(address) {
+    console.log("\n============ created ===========\n", address)
+    return client.addresses.list();
+  })
+  .then(function(addresses) {
+    console.log("\n============ All Address ===========\n", addresses)
+    return client.addresses.get(addresses[0].id);
+  })
+  .then(function(address){
+    console.log("\n============ list with id ===========\n", address)
+    return address.delete();
+  })
+  .then(function(result){
+    console.log("\n============ deleted ===========\n", result)
+    return client.addresses.list()
+  })
+  .then(function(addresss){
+    console.log("\n============ list all ===========\n", addresss)
+  })
+  .catch(function(response) {
+    console.log("\n============ Error :: ===========\n", response);
+  });
diff --git a/examples/identities.js b/examples/identities.js
new file mode 100644
index 00000000..6b03aaae
--- /dev/null
+++ b/examples/identities.js
@@ -0,0 +1,31 @@
+var Plivo =  require('../dist/rest/client.js');
+var fs = require('fs')
+var client = new Plivo.Client();
+
+client.identities.create(null, "Mr", "first_name", "last_name", "birth_place", "1984-12-12", "nationality", "id_nationality", "1999-12-12", "id_type", "id_number", "address_line1", "address_line2", "city", "Region", "Postal Code",
+  {
+    file: fs.createReadStream(__dirname + '/../jpg.jpg'),
+    // callback_url: 'https://putsreq.com/tkbaN78VBDDgaYgxILzk',
+  })
+  .then(function(identities) {
+    console.log("\n============ created ===========\n", identities)
+    return client.identities.list();
+  })
+  .then(function(identities) {
+    console.log("\n============ All identities ===========\n", identities)
+    return client.identities.get(identities[0].id);
+  })
+  .then(function(identities){
+    console.log("\n============ list with id ===========\n", identities)
+    return identities.delete();
+  })
+  .then(function(result){
+    console.log("\n============ deleted ===========\n", result)
+    return client.identities.list()
+  })
+  .then(function(identities){
+    console.log("\n============ list all ===========\n", identities)
+  })
+  .catch(function(response) {
+    console.log("\n============ Error :: ===========\n", response);
+  });
diff --git a/lib/resources/addresses.js b/lib/resources/addresses.js
new file mode 100644
index 00000000..da611b74
--- /dev/null
+++ b/lib/resources/addresses.js
@@ -0,0 +1,192 @@
+import {extend, validate} from '../utils/common.js';
+import {PlivoResource, PlivoResourceInterface} from '../base';
+
+const clientKey = Symbol();
+const action = 'Verification/Address/';
+const idField = 'id';
+
+/**
+ * Represents a Address
+ * @constructor
+ * @param {function} client - make api call
+ * @param {object} [data] - data of call
+ */
+export class Address extends PlivoResource {
+  constructor(client, data = {}) {
+    super(action, Address, idField, client);
+
+    if (idField in data) {
+      this.id = data[idField];
+    }
+
+    extend(this, data);
+  }
+
+/**
+ * update Address
+ * @method
+ * @param {object} params - to update Address
+ * @param {string} [params.country_iso] Country ISO 2 code.
+ * @param {string} [params.alias] Alias name of the addressT.
+ * @param {string} [params.salutation] This can have values: Mr, Ms.
+ * @param {string} [params.first_name] First name of the user for whom the identity is created.
+ * @param {string} [params.last_name] Second name of the user for whom the identity is created.
+ * @param {string} [params.address_line1] Building name/number.
+ * @param {string} [params.address_line2] The street name/number of the address.
+ * @param {string} [params.city] The city of the address for which the address proof is created.
+ * @param {string} [params.region] The region of the address for which the address proof is created.
+ * @param {string} [params.postal_code] The postal code of the address that is being created.
+ * @param {object} [params.file] A File to upload, which needs to be considered the proof of address. Max. file Size = 5 MB. File should be in jpg, pdf, or png format.
+ * @param {string} [params.address_proof_type] The type of document that is provided as address proof. Possible values: national_id - National ID document,  passport - Passport, business_id - Business registration document, NIF - National identity card for Spain, NIE - Tax identification number for Spain, DNI - Fiscal identification number for Spain, any - Any type of document apart from the ones specified.
+ * @param {string} [params.fiscal_identification_code] The code is valid for businesses alone.
+ * @param {string} [params.street_code] Street code of the address.
+ * @param {string} [params.municipal_code] Municipal code of the address.
+ * @promise {object} return {@link Address} object
+ * @fail {Error} return Error
+ */
+
+  update(params) {
+    return super.update(params);
+  }
+
+/**
+ * delete Address
+ * @method
+ * @promise {object} return true on success
+ * @fail {Error} return Error
+ */
+  delete() {
+    return super.delete();
+  }
+
+}
+/**
+ * Represents a Address interface
+ * @constructor
+ * @param {function} client - make api call
+ * @param {object} [data] - data of call
+ */
+export class AddressInterface extends PlivoResourceInterface {
+
+  constructor(client, data = {}) {
+    super(action, Address, idField, client);
+    extend(this, data);
+
+    this[clientKey] = client;
+  }
+
+/**
+ * get Address by given id
+ * @method
+ * @param {string} id - id of Address
+ * @promise {object} return {@link Address} object
+ * @fail {Error} return Error
+ */
+  get(id) {
+    return super.get(id);
+  }
+
+/**
+ * create Address
+ * @method
+ * @param {string} country_iso Country ISO 2 code.
+ * @param {string} salutation This can have values: Mr, Ms.
+ * @param {string} first_name First name of the user for whom the identity is created.
+ * @param {string} last_name Second name of the user for whom the identity is created.
+ * @param {string} address_line1 Building name/number.
+ * @param {string} address_line2 The street name/number of the address.
+ * @param {string} city The city of the address for which the address proof is created.
+ * @param {string} region The region of the address for which the address proof is created.
+ * @param {string} postal_code The postal code of the address that is being created.
+ * @param {string} address_proof_type The type of document that is provided as address proof. Possible values: national_id - National ID document,  passport - Passport, business_id - Business registration document, NIF - National identity card for Spain, NIE - Tax identification number for Spain, DNI - Fiscal identification number for Spain, any - Any type of document apart from the ones specified.
+ * @param {object} params - to create Address
+ * @param {string} [params.alias] Alias name of the addressT.
+ * @param {object} [params.file] A File to upload, which needs to be considered the proof of address. Max. file Size = 5 MB. File should be in jpg, pdf, or png format.
+ * @param {string} [params.fiscal_identification_code] The code is valid for businesses alone.
+ * @param {string} [params.street_code] Street code of the address.
+ * @param {string} [params.municipal_code] Municipal code of the address.
+ * @promise {object} return {@link PlivoGenericResponse} object
+ * @fail {Error} return Error
+ */
+  create(country_iso, salutation, first_name, last_name, address_line1, address_line2, city, region, postal_code, address_proof_type, params = {}) {
+
+    let errors = validate([
+      {field: 'country_iso', value: country_iso, validators: ['isRequired', 'isString']},
+      {field: 'salutation', value: salutation, validators: ['isRequired', 'isString']},
+      {field: 'first_name', value: first_name, validators: ['isRequired', 'isString']},
+      {field: 'last_name', value: last_name, validators: ['isRequired', 'isString']},
+      {field: 'address_line1', value: address_line1, validators: ['isRequired', 'isString']},
+      {field: 'address_line2', value: address_line2, validators: ['isRequired', 'isString']},
+      {field: 'city', value: city, validators: ['isRequired', 'isString']},
+      {field: 'region', value: region, validators: ['isRequired', 'isString']},
+      {field: 'postal_code', value: postal_code, validators: ['isRequired', 'isString']},
+      {field: 'address_proof_type', value: address_proof_type, validators: ['isRequired', 'isString']}
+    ]);
+
+    if (errors) {
+      return errors;
+    }
+
+    params.country_iso = country_iso;
+    params.salutation = salutation;
+    params.first_name = first_name;
+    params.last_name = last_name;
+    params.address_line1 = address_line1;
+    params.address_line2 = address_line2;
+    params.city = city;
+    params.region = region;
+    params.postal_code = postal_code;
+    params.address_proof_type = address_proof_type;
+
+    return super.create(params);
+  }
+
+/**
+ * update Address
+ * @method
+ * @param {string} id - id of Address
+ * @param {object} params - to update Address
+ * @param {string} [params.country_iso] Country ISO 2 code.
+ * @param {string} [params.alias] Alias name of the addressT.
+ * @param {string} [params.salutation] This can have values: Mr, Ms.
+ * @param {string} [params.first_name] First name of the user for whom the identity is created.
+ * @param {string} [params.last_name] Second name of the user for whom the identity is created.
+ * @param {string} [params.address_line1] Building name/number.
+ * @param {string} [params.address_line2] The street name/number of the address.
+ * @param {string} [params.city] The city of the address for which the address proof is created.
+ * @param {string} [params.region] The region of the address for which the address proof is created.
+ * @param {string} [params.postal_code] The postal code of the address that is being created.
+ * @param {object} [params.file] A File to upload, which needs to be considered the proof of address. Max. file Size = 5 MB. File should be in jpg, pdf, or png format.
+ * @param {string} [params.address_proof_type] The type of document that is provided as address proof. Possible values: national_id - National ID document,  passport - Passport, business_id - Business registration document, NIF - National identity card for Spain, NIE - Tax identification number for Spain, DNI - Fiscal identification number for Spain, any - Any type of document apart from the ones specified.
+ * @param {string} [params.fiscal_identification_code] The code is valid for businesses alone.
+ * @param {string} [params.street_code] Street code of the address.
+ * @param {string} [params.municipal_code] Municipal code of the address.
+ * @promise {object} return {@link Address} object
+ * @fail {Error} return Error
+ */
+  update(id, params) {
+    let errors = validate([
+      {field: 'id', value: id, validators: ['isRequired']}
+    ]);
+
+    if (errors) {
+      return errors;
+    }
+    return new Address(this[clientKey], {
+      id: id
+    }).update(params);
+  }
+
+/**
+ * delete Address
+ * @method
+ * @param {string} id - id of Address
+ * @promise {object} return true on success
+ * @fail {Error} return Error
+ */
+  delete(id) {
+    return new Address(this[clientKey], {
+      id: id
+    }).delete();
+  }
+}
diff --git a/lib/resources/identities.js b/lib/resources/identities.js
new file mode 100644
index 00000000..9e21afcb
--- /dev/null
+++ b/lib/resources/identities.js
@@ -0,0 +1,245 @@
+import {extend, validate} from '../utils/common.js';
+import {PlivoResource, PlivoResourceInterface} from '../base';
+
+const clientKey = Symbol();
+const action = 'Verification/Identity/';
+const idField = 'id';
+
+/**
+ * Represents a Identity
+ * @constructor
+ * @param {function} client - make api call
+ * @param {object} [data] - data of call
+ */
+export class Identity extends PlivoResource {
+  constructor(client, data = {}) {
+    super(action, Identity, idField, client);
+
+    if (idField in data) {
+      this.id = data[idField];
+    }
+
+    extend(this, data);
+  }
+
+/**
+ * update Identity
+ * @method
+ * @param {object} params - to update Identity
+ * @param {string} [params.country_iso] Country ISO 2 code.
+ * @param {string} [params.alias] Alias name of the Identity.
+ * @param {string} [params.salutation] This can have values: Mr, Ms.
+ * @param {string} [params.first_name] First name of the user for whom the identity is created.
+ * @param {string} [params.last_name] Second name of the user for whom the identity is created.
+ * @param {string} [params.birth_place] Birthplace of the user for whom the identity is created.
+ * @param {string} [params.birth_date] Birth date in yyyy-mm-dd format of the user for whom the identity is created.
+ * @param {string} [params.nationality] Nationality of the user for whom the identity is created.
+ * @param {string} [params.id_nationality] Nationality mentioned in the identity proof.
+ * @param {string} [params.id_issue_date] Issue date in yyyy-mm-dd mentioned in the identity proof.
+ * @param {string} [params.business_name] Business name of the user for whom the identity is created.
+ * @param {string} [params.id_type] Building name/number.
+ * @param {string} [params.id_number] The unique number on the identifier.
+ * @param {string} [params.address_line1] Building name/number.
+ * @param {string} [params.address_line2] The street name/number of the address.
+ * @param {string} [params.city] The city of the address for which the address proof is created.
+ * @param {string} [params.region] The region of the address for which the address proof is created.
+ * @param {string} [params.postal_code] The postal code of the address that is being created.
+ * @param {object} [params.file] A File to upload, which needs to be considered the proof of address. Max. file Size = 5 MB. File should be in jpg, pdf, or png format.
+ * @param {string} [params.subaccount] The link to the subaccount resource associated with the application. If the application belongs to the main account, this field will be null.
+ * @param {string} [params.fiscal_identification_code] The code is available for businesses alone and will be available for spain mobile numbers. If not present, return null.
+ * @param {string} [params.street_code] Street code of the address. Return null if not present.
+ * @param {string} [params.municipal_code] Municipal code of the address.
+ * @promise {object} return {@link Address} object
+ * @fail {Error} return Error
+ */
+
+  update(params) {
+    return super.update(params);
+  }
+
+/**
+ * delete Identity
+ * @method
+ * @promise {object} return true on success
+ * @fail {Error} return Error
+ */
+  delete() {
+    return super.delete();
+  }
+
+}
+/**
+ * Represents a Identity interface
+ * @constructor
+ * @param {function} client - make api call
+ * @param {object} [data] - data of call
+ */
+export class IdentityInterface extends PlivoResourceInterface {
+
+  constructor(client, data = {}) {
+    super(action, Identity, idField, client);
+    extend(this, data);
+
+    this[clientKey] = client;
+  }
+
+/**
+ * get Identity by given id
+ * @method
+ * @param {string} id - id of Identity
+ * @promise {object} return {@link Identity} object
+ * @fail {Error} return Error
+ */
+  get(id) {
+    return super.get(id);
+  }
+
+/**
+ * create Identity
+ * @method
+ * @param {string} country_iso Country ISO 2 code.
+ * @param {string} salutation This can have values: Mr, Ms.
+ * @param {string} first_name First name of the user for whom the identity is created.
+ * @param {string} last_name Second name of the user for whom the identity is created.
+ * @param {string} birth_place Birthplace of the user for whom the identity is created.
+ * @param {string} birth_date Birth date in yyyy-mm-dd format of the user for whom the identity is created.
+ * @param {string} nationality Nationality of the user for whom the identity is created.
+ * @param {string} id_nationality Nationality mentioned in the identity proof.
+ * @param {string} id_issue_date Issue date in yyyy-mm-dd mentioned in the identity proof.
+ * @param {string} id_type Building name/number.
+ * @param {string} id_number The unique number on the identifier.
+ * @param {string} address_line1 Building name/number.
+ * @param {string} address_line2 The street name/number of the address.
+ * @param {string} city The city of the address for which the address proof is created.
+ * @param {string} region The region of the address for which the address proof is created.
+ * @param {string} postal_code The postal code of the address that is being created.
+ * @param {object} params - to create Identity
+ * @param {string} [params.alias] Alias name of the Identity.
+ * @param {string} [params.business_name] Business name of the user for whom the identity is created.
+ * @param {string} [params.fiscal_identification_code] The code is valid for businesses alone.
+ * @param {string} [params.street_code] Street code of the address.
+ * @param {string} [params.municipal_code] Municipal code of the address.
+ * @param {string} [params.subaccount] The link to the subaccount resource associated with the application. If the application belongs to the main account, this field will be null.
+ * @param {object} [params.file] A File to upload, which needs to be considered the proof of address. Max. file Size = 5 MB. File should be in jpg, pdf, or png format.
+ * @promise {object} return {@link PlivoGenericResponse} object
+ * @fail {Error} return Error
+ */
+  create(
+    country_iso,
+    salutation,
+    first_name,
+    last_name,
+    birth_place,
+    birth_date,
+    nationality,
+    id_nationality,
+    id_issue_date,
+    id_type,
+    id_number,
+    address_line1,
+    address_line2,
+    city,
+    region,
+    postal_code,
+    params = {}) {
+
+    let errors = validate([
+      {field: 'country_iso', value: country_iso, validators: ['isRequired', 'isString']},
+      {field: 'salutation', value: salutation, validators: ['isRequired', 'isString']},
+      {field: 'first_name', value: first_name, validators: ['isRequired', 'isString']},
+      {field: 'last_name', value: last_name, validators: ['isRequired', 'isString']},
+      {field: 'birth_place', value: birth_place, validators: ['isRequired', 'isString']},
+      {field: 'birth_date', value: birth_date, validators: ['isRequired', 'isString']},
+      {field: 'nationality', value: nationality, validators: ['isRequired', 'isString']},
+      {field: 'id_nationality', value: id_nationality, validators: ['isRequired', 'isString']},
+      {field: 'id_issue_date', value: id_issue_date, validators: ['isRequired', 'isString']},
+      {field: 'id_type', value: id_type, validators: ['isRequired', 'isString']},
+      {field: 'id_number', value: id_number, validators: ['isRequired', 'isString']},
+      {field: 'address_line1', value: address_line1, validators: ['isRequired', 'isString']},
+      {field: 'address_line2', value: address_line2, validators: ['isRequired', 'isString']},
+      {field: 'city', value: city, validators: ['isRequired', 'isString']},
+      {field: 'region', value: region, validators: ['isRequired', 'isString']},
+      {field: 'postal_code', value: postal_code, validators: ['isRequired', 'isString']}
+    ]);
+
+    if (errors) {
+      return errors;
+    }
+
+    params.country_iso = country_iso;
+    params.salutation = salutation;
+    params.first_name = first_name;
+    params.last_name = last_name;
+    params.birth_place = birth_place;
+    params.birth_date = birth_date;
+    params.nationality = nationality;
+    params.id_nationality = id_nationality;
+    params.id_issue_date = id_issue_date;
+    params.id_type = id_type;
+    params.id_number = id_number;
+    params.address_line1 = address_line1;
+    params.address_line2 = address_line2;
+    params.city = city;
+    params.region = region;
+    params.postal_code = postal_code;
+
+    return super.create(params);
+  }
+
+/**
+ * update Identity
+ * @method
+ * @param {string} id - id of Identity
+ * @param {object} params - to update Identity
+ * @param {string} [params.country_iso] Country ISO 2 code.
+ * @param {string} [params.alias] Alias name of the Identity.
+ * @param {string} [params.salutation] This can have values: Mr, Ms.
+ * @param {string} [params.first_name] First name of the user for whom the identity is created.
+ * @param {string} [params.last_name] Second name of the user for whom the identity is created.
+ * @param {string} [params.birth_place] Birthplace of the user for whom the identity is created.
+ * @param {string} [params.birth_date] Birth date in yyyy-mm-dd format of the user for whom the identity is created.
+ * @param {string} [params.nationality] Nationality of the user for whom the identity is created.
+ * @param {string} [params.id_nationality] Nationality mentioned in the identity proof.
+ * @param {string} [params.id_issue_date] Issue date in yyyy-mm-dd mentioned in the identity proof.
+ * @param {string} [params.business_name] Business name of the user for whom the identity is created.
+ * @param {string} [params.id_type] Building name/number.
+ * @param {string} [params.id_number] The unique number on the identifier.
+ * @param {string} [params.address_line1] Building name/number.
+ * @param {string} [params.address_line2] The street name/number of the address.
+ * @param {string} [params.city] The city of the address for which the address proof is created.
+ * @param {string} [params.region] The region of the address for which the address proof is created.
+ * @param {string} [params.postal_code] The postal code of the address that is being created.
+ * @param {object} [params.file] A File to upload, which needs to be considered the proof of address. Max. file Size = 5 MB. File should be in jpg, pdf, or png format.
+ * @param {string} [params.subaccount] The link to the subaccount resource associated with the application. If the application belongs to the main account, this field will be null.
+ * @param {string} [params.fiscal_identification_code] The code is available for businesses alone and will be available for spain mobile numbers. If not present, return null.
+ * @param {string} [params.street_code] Street code of the address. Return null if not present.
+ * @param {string} [params.municipal_code] Municipal code of the address.
+ * @promise {object} return {@link Identity} object
+ * @fail {Error} return Error
+ */
+  update(id, params) {
+    let errors = validate([
+      {field: 'id', value: id, validators: ['isRequired']}
+    ]);
+
+    if (errors) {
+      return errors;
+    }
+    return new Identity(this[clientKey], {
+      id: id
+    }).update(params);
+  }
+
+/**
+ * delete Identity
+ * @method
+ * @param {string} id - id of Identity
+ * @promise {object} return true on success
+ * @fail {Error} return Error
+ */
+  delete(id) {
+    return new Identity(this[clientKey], {
+      id: id
+    }).delete();
+  }
+}
diff --git a/lib/resources/numbers.js b/lib/resources/numbers.js
index f927bf7b..405303d9 100644
--- a/lib/resources/numbers.js
+++ b/lib/resources/numbers.js
@@ -27,13 +27,14 @@ export class PhoneNumber extends PlivoResource {
  * Buy Phone Number
  * @method
  * @param {string} appId - app id
+ * @param {object} [params.verification_info] - This contains the document associated with the phone number. It will contain: type - “address” or “identity”, id - Identifier of the “address” or “identity” object.
  * @promise {@link PlivoGenericResponse} return PlivoGenericResponse Object if success
  * @fail {Error} return Error
  */
-  buy(appId) {
+  buy(appId, verification_info) {
     return new PhoneNumberInterface(this[clientKey], {
       id: this.id
-    }).buy(appId);
+    }).buy(appId, verification_info);
   }
 }
 
@@ -56,14 +57,19 @@ export class PhoneNumberInterface extends PlivoResourceInterface {
  * Buy Phone Number
  * @method
  * @param {string} appId - app id
+ * @param {object} [params.verification_info] - This contains the document associated with the phone number. It will contain: type - “address” or “identity”, id - Identifier of the “address” or “identity” object.
  * @promise {@link PlivoGenericResponse} return PlivoGenericResponse Object if success
  * @fail {Error} return Error
  */
-  buy(appId) {
+  buy(appId, verification_info) {
     let params = {};
     if (appId) {
       params.app_id = appId;
     }
+    if (verification_info) {
+      params.verification_info = verification_info;
+    }
+
     return super.create(params);
   }
 }
@@ -101,6 +107,7 @@ export class NumberResource extends PlivoResource {
  * @param {string} [params.appId] - app id
  * @param {string} [params.subAccount] - auth_id of subaccount
  * @param {string} [params.alias] - textual name of number
+ * @param {object} [params.verification_info] - This contains the document associated with the phone number. It will contain: type - “address” or “identity”, id - Identifier of the “address” or “identity” object.
  * @promise {@link NumberResource} return NumberResource Object if success
  * @fail {Error} return Error
  */
@@ -203,6 +210,7 @@ export class NumberInterface extends PlivoResourceInterface {
  * @param {string} [params.appId] - app id
  * @param {string} [params.subAccount] - auth_id of subaccount
  * @param {string} [params.alias] - textual name of number
+ * @param {object} [params.verification_info] - This contains the document associated with the phone number. It will contain: type - “address” or “identity”, id - Identifier of the “address” or “identity” object.
  * @promise {@link NumberResource} return NumberResource Object if success
  * @fail {Error} return Error
  */
diff --git a/lib/rest/client-test.js b/lib/rest/client-test.js
index b96a2ac0..7823cfb1 100644
--- a/lib/rest/client-test.js
+++ b/lib/rest/client-test.js
@@ -1,6 +1,8 @@
 import {Request} from './request-test.js';
 import {CallInterface} from '../resources/call.js';
 import {AccountInterface, SubaccountInterface} from '../resources/accounts.js';
+import {AddressInterface} from "../resources/addresses";
+import {IdentityInterface} from "../resources/identities";
 import {ApplicationInterface} from '../resources/applications.js';
 import {ConferenceInterface} from '../resources/conferences.js';
 import {EndpointInterface} from '../resources/endpoints.js';
@@ -41,6 +43,8 @@ export class Client {
     this.calls = new CallInterface(client);
     this.accounts = new AccountInterface(client);
     this.subAccounts = new SubaccountInterface(client);
+    this.addresses = new AddressInterface(client);
+    this.identities = new IdentityInterface(client);
     this.applications = new ApplicationInterface(client);
     this.conferences = new ConferenceInterface(client);
     this.endpoints = new EndpointInterface(client);
diff --git a/lib/rest/client.js b/lib/rest/client.js
index 894db589..a237b651 100644
--- a/lib/rest/client.js
+++ b/lib/rest/client.js
@@ -3,6 +3,8 @@ import {camelCaseRequestWrapper} from './utils';
 import {name, version} from '../../package.json';
 import {CallInterface} from "../resources/call";
 import {SubaccountInterface, AccountInterface} from "../resources/accounts";
+import {AddressInterface} from "../resources/addresses";
+import {IdentityInterface} from "../resources/identities";
 import {ApplicationInterface} from "../resources/applications";
 import {ConferenceInterface} from "../resources/conferences";
 import {EndpointInterface} from "../resources/endpoints";
@@ -55,6 +57,8 @@ export class Client {
     this.accounts = new AccountInterface(client);
     this.subaccounts = this.subAccounts = new SubaccountInterface(client);
     this.applications = new ApplicationInterface(client);
+    this.addresses = new AddressInterface(client);
+    this.identities = new IdentityInterface(client);
     this.conferences = new ConferenceInterface(client);
     this.endpoints = new EndpointInterface(client);
     this.messages = new MessageInterface(client);
diff --git a/lib/rest/request-test.js b/lib/rest/request-test.js
index 057e0bb6..3cec59f2 100644
--- a/lib/rest/request-test.js
+++ b/lib/rest/request-test.js
@@ -1072,6 +1072,215 @@ export function Request(config) {
         });
       }
 
+      // =============  Address ===================
+
+      if (action == 'Verification/Address/1/' && method == 'GET') {
+        resolve({
+          response: {},
+          body: {
+            "account": "MAXXXXXXXXXXXXXXXXXX",
+            "address_line1": "128",
+            "address_line2": "RUE DU COMMANDANT GUILBAUD",
+            "alias": "test_address",
+            "api_id": "08361d92-0b59-11e8-aa7e-02ad5072be3e",
+            "city": "PARIS",
+            "country_iso": "FR",
+            "document_details": {
+              "address_line1": "128",
+              "address_line2": "RUE DU COMMANDANT GUILBAUD",
+              "city": "PARIS",
+              "first_name": "Bruce",
+              "last_name": "Wayne",
+              "postal_code": "75016",
+              "region": "PARIS",
+              "salutation": "Mr"
+            },
+            "first_name": "Bruce",
+            "id": 1,
+            "last_name": "Wayne",
+            "postal_code": "75016",
+            "region": "PARIS",
+            "salutation": "Mr",
+            "subaccount": null,
+            "url": "https://api.plivo.com/v1/Account/MAXXXXXXXXXXXXXXXXXX/Verification/Address/20220771838737/",
+            "validation_status": "accepted",
+            "verification_status": "pending"
+          }
+        });
+      }
+      if (action == 'Verification/Address/' && method == 'GET') {
+        resolve({
+          response: {},
+          body: {
+            "api_id": "af8b199a-0b58-11e8-b939-06755d68f0ca",
+            "meta": {
+              "limit": 1,
+              "next": "https://api.plivo.com/v1/Account/MAXXXXXXXXXXXXXXXXXX/Verification/Address/?limit=1&offset=1",
+              "offset": 0,
+              "previous": null,
+              "total_count": 19
+            },
+            "objects": [
+              {
+                "account": "MAXXXXXXXXXXXXXXXXXX",
+                "address_line1": "128",
+                "address_line2": "RUE DU COMMANDANT GUILBAUD",
+                "alias": "test_address",
+                "city": "PARIS",
+                "country_iso": "FR",
+                "document_details": {
+                  "address_line1": "128",
+                  "address_line2": "RUE DU COMMANDANT GUILBAUD",
+                  "city": "PARIS",
+                  "first_name": "Bruce",
+                  "last_name": "Wayne",
+                  "postal_code": "75016",
+                  "region": "PARIS",
+                  "salutation": "Mr"
+                },
+                "first_name": "Bruce",
+                "id": "20220771838737",
+                "last_name": "Wayne",
+                "postal_code": "75016",
+                "region": "PARIS",
+                "salutation": "Mr",
+                "subaccount": null,
+                "url": "https://api.plivo.com/v1/Account/MAXXXXXXXXXXXXXXXXXX/Verification/Address/20220771838737/",
+                "validation_status": "accepted",
+                "verification_status": "pending"
+              }
+            ]
+            }
+        });
+      }
+      if (action == 'Verification/Address/1/' && method == 'POST') {
+        resolve({
+          response: {},
+          body: {
+            "message": "Your request has been accepted.",
+            "api_id": "5a9fcb68-523d-11e1-86da-6ff39efcb949"
+          }
+        });
+      }
+      if (action == 'Verification/Address/' && method == 'POST') {
+        resolve({
+          response: {},
+          body: {
+            "api_id": "324a7dd8-0db2-11e4-8a4a-123140008edf",
+            "message": "Your request has been accepted."
+          }
+        });
+      }
+
+      if (action == 'Verification/Address/1/' && method == 'DELETE') {
+        resolve({
+          response: {},
+          body: {
+          }
+        });
+      }
+
+      // =============  Identity ===================
+
+      if (action == 'Verification/Identity/1/' && method == 'GET') {
+        resolve({
+          response: {},
+          body: {
+            "account": "MAXXXXXXXXXXXXXXXXXX",
+            "alias": null,
+            "api_id": "6e951a10-0b5a-11e8-a416-06f8d2f9b24c",
+            "country_iso": "FR",
+            "document_details": {
+              "first_name": "Bruce",
+              "id_number": "33522",
+              "id_type": "passport",
+              "last_name": "Wayne",
+              "nationality": "FR",
+              "salutation": "Mr"
+            },
+            "first_name": "Bruce",
+            "id": "1",
+            "id_number": "33522",
+            "id_type": "passport",
+            "last_name": "Wayne",
+            "nationality": "FR",
+            "salutation": "Mr",
+            "subaccount": null,
+            "url": "https://api.plivo.com/v1/Account/MAXXXXXXXXXXXXXXXXXX/Verification/Identity/24856289978366/",
+            "validation_status": "pending",
+            "verification_status": "pending"
+          }
+        });
+      }
+      if (action == 'Verification/Identity/' && method == 'GET') {
+        resolve({
+          response: {},
+          body: {
+            "api_id": "3c294e0c-0b5a-11e8-9ad8-064c8d7b2d26",
+            "meta": {
+              "limit": 1,
+              "next": "https://api.plivo.com/v1/Account/MAXXXXXXXXXXXXXXXXXX/Verification/Identity/?limit=1&offset=1",
+              "offset": 0,
+              "previous": null,
+              "total_count": 19
+            },
+            "objects": [
+              {
+                "account": "MAXXXXXXXXXXXXXXXXXX",
+                "alias": null,
+                "country_iso": "FR",
+                "document_details": {
+                  "first_name": "Bruce",
+                  "id_number": "33522",
+                  "id_type": "passport",
+                  "last_name": "Wayne",
+                  "nationality": "FR",
+                  "salutation": "Mr"
+                },
+                "first_name": "Bruce",
+                "id": "24856289978366",
+                "id_number": "33522",
+                "id_type": "passport",
+                "last_name": "Wayne",
+                "nationality": "FR",
+                "salutation": "Mr",
+                "subaccount": null,
+                "url": "https://api.plivo.com/v1/Account/MAXXXXXXXXXXXXXXXXXX/Verification/Identity/24856289978366/",
+                "validation_status": "pending",
+                "verification_status": "pending"
+              }
+            ]
+          }
+        });
+      }
+      if (action == 'Verification/Identity/1/' && method == 'POST') {
+        resolve({
+          response: {},
+          body: {
+            "message": "Your request has been accepted.",
+            "api_id": "5a9fcb68-523d-11e1-86da-6ff39efcb949"
+          }
+        });
+      }
+      if (action == 'Verification/Identity/' && method == 'POST') {
+        resolve({
+          response: {},
+          body: {
+            "api_id": "324a7dd8-0db2-11e4-8a4a-123140008edf",
+            "message": "Your request has been accepted."
+          }
+        });
+      }
+
+      if (action == 'Verification/Identity/1/' && method == 'DELETE') {
+        resolve({
+          response: {},
+          body: {
+          }
+        });
+      }
+
+
       reject(new Error('not found'));
     });
   };
diff --git a/lib/rest/utils.js b/lib/rest/utils.js
index 81f4cf3b..445e5617 100644
--- a/lib/rest/utils.js
+++ b/lib/rest/utils.js
@@ -3,8 +3,15 @@ import _snakeCase from 'lodash/snakeCase';
 import _mapKeys from 'lodash/mapKeys';
 import _mapValues from 'lodash/mapValues';
 import _map from 'lodash/map';
+import _includes from 'lodash/includes';
+
+const whiteListed = ['address_line1', 'address_line2']
 
 function recursivelyRenameObject(object, renameFunc) {
+  if (object && typeof object.on === 'function') {
+    return object;
+  }
+
   if (!(object instanceof Object)) {
     return object;
   }
@@ -22,6 +29,9 @@ export function camelCaseRequestWrapper(requestFunc) {
   return (method, action, params) => {
 
     params = recursivelyRenameObject(params, function (value, key) {
+      if (_includes(whiteListed, key)) {
+        return key;
+      }
       if(typeof key !== 'string') return key;
 
       return _snakeCase(key)
diff --git a/lib/utils/security.js b/lib/utils/security.js
index f5a6950b..ac27bfc4 100644
--- a/lib/utils/security.js
+++ b/lib/utils/security.js
@@ -17,15 +17,20 @@ export function verifyOldSignature(authId: string, uri: string, params: {[string
 }
 
 export function validateSignature(uri: string, nonce: string, signature: string, auth_token: string) {
+  let authentication_string = generateSignature(uri, nonce, signature, auth_token);
+  return authentication_string == signature;
+}
+
+export function generateSignature(uri: string, nonce: string, signature: string, auth_token: string) {
   nonce = utf8.encode(nonce);
   signature = utf8.encode(signature);
   auth_token = utf8.encode(auth_token);
   uri = utf8.encode(uri);
   let parsed_uri = parser.parse(uri);
   let url_protocol = parsed_uri.protocol == '' ? 'http://' : parsed_uri.protocol+'://';
-  let base_url = buildUrl(url_protocol+parsed_uri.host, { path: parsed_uri.path });
+  let url_port = ( parsed_uri.port ? ':' +  parsed_uri.port : '');
+  let base_url = buildUrl(url_protocol + parsed_uri.host + url_port, { path: parsed_uri.path });
   let hmac = crypto.createHmac('sha256', auth_token);
   let hmacBytes = base64.decode(hmac.update(base_url+nonce).digest('base64'));
-  let authentication_string = base64.encode(hmacBytes);
-  return authentication_string == signature;
+  return base64.encode(hmacBytes);
 }
diff --git a/package.json b/package.json
index 761d2afa..c96d943c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "plivo",
-  "version": "4.0.0",
+  "version": "4.1.0",
   "description": "A Node.js SDK to make voice calls & send SMS using Plivo and to generate Plivo XML",
   "homepage": "https://github.com/plivo/plivo-node",
   "files": [
diff --git a/test/addresses.js b/test/addresses.js
new file mode 100644
index 00000000..5a5d0050
--- /dev/null
+++ b/test/addresses.js
@@ -0,0 +1,83 @@
+import assert from 'assert';
+import sinon from 'sinon';
+import {Client} from '../lib/rest/client-test';
+import {PlivoGenericResponse} from '../lib/base.js';
+
+let client = new Client('sampleid', 'sammpletoken', 'sampleproxy');
+
+describe('Identity', function () {
+  it('should get Identity', function () {
+    return client.identities.get(1)
+      .then(function(identity) {
+        assert.equal(identity.id, 1)
+      })
+  });
+
+  it('list identities', function () {
+    return client.identities.list()
+      .then(function(identities) {
+        assert.equal(identities.length, 1)
+      })
+  });
+
+  it('has meta information', function () {
+    return client.identities.list()
+      .then(function(identities) {
+        assert.equal(identities.meta.totalCount, 19)
+      })
+  });
+
+  it('should throw error - country_iso is required via interface', function () {
+    return client.identities.create(null, "Mr", "first_name", "last_name", "birth_place", "1984-12-12", "nationality", "id_nationality", "1999-12-12", "id_type", "id_number", "address_line1", "address_line2", "city", "Region", "Postal Code")
+      .catch(function(error){
+        assert.equal(error.message, 'Missing mandatory field: country_iso, country_iso should be string.')
+      })
+  });
+
+  it('should create identity via interface', function () {
+    return client.identities.create("US", "Mr", "first_name", "last_name", "birth_place", "1984-12-12", "nationality", "id_nationality", "1999-12-12", "id_type", "id_number", "address_line1", "address_line2", "city", "Region", "Postal Code")
+      .then(function(identity){
+        assert.equal(identity.message, 'Your request has been accepted.')
+      })
+  });
+
+  it('should update Identity via interface', function () {
+    return client.identities.update(1)
+      .then(function(identity) {
+        assert.equal(identity.message, 'Your request has been accepted.')
+      })
+  });
+
+  it('should throw error - id is required via interface', function () {
+    return client.identities.update(null, {})
+      .catch(function(err){
+        assert.equal(err.message, 'Missing mandatory field: id')
+      })
+  });
+
+  it('should update Identity', function () {
+    return client.identities.get(1)
+      .then(function(identity) {
+        return identity.update({answer_url: 'answerUrl'})
+      })
+      .then(function(identity){
+        assert.equal(identity.answer_url, 'answerUrl')
+      })
+  });
+
+  it('delete identity', function () {
+    return client.identities.get(1)
+      .then(function(identity){
+        return identity.delete()
+      })
+      .then(function(status) {
+        assert.equal(status, true)
+      })
+  });
+  it('delete identity via interface', function () {
+    return client.identities.delete(1)
+      .then(function(status) {
+        assert.equal(status, true)
+      })
+  });
+});
diff --git a/test/identities.js b/test/identities.js
new file mode 100644
index 00000000..ff6292ec
--- /dev/null
+++ b/test/identities.js
@@ -0,0 +1,83 @@
+import assert from 'assert';
+import sinon from 'sinon';
+import {Client} from '../lib/rest/client-test';
+import {PlivoGenericResponse} from '../lib/base.js';
+
+let client = new Client('sampleid', 'sammpletoken', 'sampleproxy');
+
+describe('Address', function () {
+  it('should get Address', function () {
+    return client.addresses.get(1)
+      .then(function(address) {
+        assert.equal(address.id, 1)
+      })
+  });
+
+  it('list addresses', function () {
+    return client.addresses.list()
+      .then(function(addresses) {
+        assert.equal(addresses.length, 1)
+      })
+  });
+
+  it('has meta information', function () {
+    return client.addresses.list()
+      .then(function(addresses) {
+        assert.equal(addresses.meta.totalCount, 19)
+      })
+  });
+
+  it('should throw error - country_iso is required via interface', function () {
+    return client.addresses.create(null, "Mr", "first_name", "last_name", "address_line1", "address_line2", "New York", "Region", "Postal Code", "nation_id")
+      .catch(function(error){
+        assert.equal(error.message, 'Missing mandatory field: country_iso, country_iso should be string.')
+      })
+  });
+
+  it('should create address via interface', function () {
+    return client.addresses.create("en-US", "Mr", "first_name", "last_name", "address_line1", "address_line2", "New York", "Region", "Postal Code", "nation_id")
+      .then(function(address){
+        assert.equal(address.message, 'Your request has been accepted.')
+      })
+  });
+
+  it('should update Address via interface', function () {
+    return client.addresses.update(1)
+      .then(function(address) {
+        assert.equal(address.message, 'Your request has been accepted.')
+      })
+  });
+
+  it('should throw error - id is required via interface', function () {
+    return client.addresses.update(null, {})
+      .catch(function(err){
+        assert.equal(err.message, 'Missing mandatory field: id')
+      })
+  });
+
+  it('should update Address', function () {
+    return client.addresses.get(1)
+      .then(function(address) {
+        return address.update({answer_url: 'answerUrl'})
+      })
+      .then(function(address){
+        assert.equal(address.answer_url, 'answerUrl')
+      })
+  });
+
+  it('delete address', function () {
+    return client.addresses.get(1)
+      .then(function(address){
+        return address.delete()
+      })
+      .then(function(status) {
+        assert.equal(status, true)
+      })
+  });
+  it('delete address via interface', function () {
+    return client.addresses.delete(1)
+      .then(function(status) {
+        assert.equal(status, true)
+      })
+  });
+});
diff --git a/test/utils.js b/test/utils.js
index 5c03e0c2..5a0aca27 100644
--- a/test/utils.js
+++ b/test/utils.js
@@ -37,4 +37,16 @@ describe('Security', function () {
       false
     );
   });
+
+  it('should generate url with port', function () {
+    var validate = validateSignature('https://answer.url:8080','123456','xeV6S6BPIQJ/rgKCjCm/Fo2ve5zNe1fatQoHyRT8vxQ=','my_auth_tokens')
+    assert.equal(validate, true);
+  });
+
+  it('should fail for url with port', function () {
+    assert.equal(
+      validateSignature('https://answer.url:8080','12345','ehV3IKhLysWBxC1sy8INm0qGoQYdYsHwuoKjsX7FsXc=','my_auth_token'),
+      false
+    );
+  });
 });