feat: add partner's api's (#351)

Author: ankitdas13

documents/account.md

@@ -559,8 +559,48 @@ instance.customers.deleteToken(customerId,tokenId)
 }
 ```
 -------------------------------------------------------------------------------------------------------
+## Using Card Number/ Tokenised Card Number
 
+```js
+instance.cards.requestCardReference({"number":"4854980604708430"});
+```
+**Parameters:**
+
+| Name        | Type    | Description                                                                  |
+|-------------|---------|------------------------------------------------------------------------------|
+| number* | string | The card number whose PAR or network reference id should be retrieved. |
+| tokenised  | string | Determines if the card is saved as a token. Possible value is `true` or `false` |
+
+**Response:**
+```json
+{
+  "network": "Visa",
+  "payment_account_reference": "V0010013819231376539033235990",
+  "network_reference_id": null
+}
+```
+-------------------------------------------------------------------------------------------------------
+
+## Using Razporpay token
+
+```js
+instance.cards.requestCardReference({"token":"token_4lsdksD31GaZ09"});
+```
+**Parameters:**
+
+| Name        | Type    | Description                                                                  |
+|-------------|---------|------------------------------------------------------------------------------|
+| token* | string | The token whose PAR or network reference id should be retrieved.|
+
+**Response:**
+```json
+{
+  "network": "Visa",
+  "payment_account_reference": "V0010013819231376539033235990",
+  "network_reference_id": null
+}
+```
+-------------------------------------------------------------------------------------------------------
 **PN: * indicates mandatory fields**
 <br>
 <br>
-**For reference click [here](https://razorpay.com/docs/api/recurring-payments/cards/authorization-transaction/)**

documents/card.md

@@ -833,7 +833,50 @@ instance.payments.fetchPaymentMethods();
  please refer this [doc](https://razorpay.com/docs/payments/third-party-validation/s2s-integration/methods-api/#fetch-payment-methods) for response
 
 -------------------------------------------------------------------------------------------------------
+### Token IIN API
 
+```js
+var tokenIin = "412345";
+
+instance.iins.fetch(tokenIin);
+```
+
+**Parameters:**
+
+| Name       | Type   | Description                       |
+|------------|--------|-----------------------------------|
+| tokenIin* | string | The token IIN. |
+
+**Response:**
+```json
+{
+  "iin": "412345",
+  "entity": "iin",
+  "network": "Visa",
+  "type": "credit",
+  "sub_type": "business",
+  "issuer_code": "HDFC",
+  "issuer_name": "HDFC Bank Ltd",
+  "international": false,
+  "is_tokenized": true,
+  "card_iin": "411111",
+  "emi":{
+     "available": true
+     },
+  "recurring": {
+     "available": true
+     },
+  "authentication_types": [
+   {
+       "type":"3ds"
+   },
+   {
+       "type":"otp"
+   }
+  ]
+}
+```
+-------------------------------------------------------------------------------------------------------
 **PN: * indicates mandatory fields**
 <br>
 <br>