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CCAvenue Payment Gateway Integration Guide | Developer Documentation

CCAvenue Payment Gateway Integration Guide

Updated: Dec 10, 2025
The purpose of this document is to lay down the payment integration with CCAvenue that is required for a merchant (or BSP) that has implemented a chatbot using WhatsApp Business APIs and needs to accept payments from WhatsApp users.
This document outlines the necessary APIs that must be integrated and how the integration works in conjunction with the WhatsApp Business API integration. While not a comprehensive guide, it serves as a general overview to assist in understanding the payment gateway integration process. Any specific or unique details related to the payment gateway must be determined by the merchant (or BSP).
In terms of integrating with the WA P2M product, this document covers the requests and responses highlighted in red within the flow diagram.

CCAvenue integration with WhatsApp Payments

Setup

Please use documentation from CCAVenue for steps to authenticate with their server.
To simplify the explanation, the following examples will only address the body of the final payload that will ultimately be included in the final object required for successful authentication with their API. It is important to consult CCAvenue’s documentation for guidance on how this final object must be structured.
You must have the following details before you can proceed:
    Successfully authenticateDetails from the payment configuration you already configured on the WhatsApp Business Account.
      Merchant category codeMerchant’s VPA

      Initiate Payment API

      Sample payload to POST to https://secure.ccavenue.com/transaction.do
      Request
      curl -X POST -d 'card_name=UPI&order_id=67314339998877&currency=INR&payment_option=OPTUPI&card_type=UPI&merchant_id=2&amount=100.00&re direct_url=https://merchantredirecturl.com'
      Name Description Type
      merchant_id
      Merchant Id is a unique identifier generated by CCAvenue for each activated merchant.
      Numeric
      order_id
      This ID is used by merchants to identify the order. Ensure that you send a unique id with each request.
      Alphanumeric (30) Characters allowed: Alphabet (A-Z), (a-z), Numbers, - (hyphen), / (slash) ,_ (underscore)
      currency
      The currency in which you want to process the transaction. INR – Indian Rupee
      “INR”
      amount
      Order Amount
      Numeric (12, 2)
      redirect_url
      CCAvenue will post the status of the order along with the parameters to this URL. If you do not send this value, order status will be sent back to the URL configured in dynamic event notifications module in your MARS account. If there is no URL configured in the MARS account, PG will display the status of the order on the CCAvenue confirmation page.
      Alphanumeric (100) Characters allowed: Alphabet (A-Z), (a-z), Numbers, / (slash),_ (underscore)
      card_type
      Type of card used by the customer.
      UPI
      “UPI”
      card_name
      Name of the card used by the customer. This list will be provided by CCAvenue.
      UPI
      “UPI”
      Sample response from CCAvenue
      {"status":"0","enc_response":"68b4c0ff090e439119f91d0ace1930973e5a2fc244b122e255170de2b412d486269678930fc2c175a64357a882854f62e5adb6d4476f629df3bb532cc5c82828258ed40b09181949c48e6b9365eabf9dc9e1acb5308f5d6776e2400e0c4ac4282afd81e3a66519b3734192062a49b51d956f93d9cebf4d49b9480ed6cbcdb5f87e50c7a3bd052dca39718738a49a5e22408a8656052fa506458ca1f904970fdf"}
      Decrypted Sample Response
      {"errorCode":"","errorMessage":"","intentUrl":"upi://pay?pa=vpa@samplebank&pn=Infibeam Avenues Limited&tr=123123123123&am=100.0&cu=INR&mc=8299"}
      Parse the response
      Use the value of intentUrl in the response and pass it as the upi_intent_link while setting up the parameters object to send for the order details message using the WhatsApp API.

      Status webhook

      When an event occurs, such as the successful processing of a payment in your CCAvenue account, CCAvenue generates an event object. This event object contains essential details, including the event type and associated data. CCAvenue forwards this event object to a designated URL in your account’s webhook settings through an HTTP POST request.

      Payment status

      Use the webhook notification above to find the payment status using the Payment status API.
      Request
      Sample payload to POST to https://api.ccavenue.com/apis/servlet/DoWebTrans
      {"orderNo":"11111111","referenceNo":"111111111111"}
      Parse the response
      Utilize the order_status retrieved from the response above and transmit the corresponding status message via WhatsApp API.

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