Paytm Refunds API
The Refunds API from Paytm — 1 operation(s) for refunds.
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OpenAPI Specification
openapi: 3.2.0
info:
title: Paytm Payment Gateway Payments Refunds API
description: Server-to-server REST APIs for Paytm Payment Gateway integrations. Covers transaction initiation (returning a txnToken used by checkout SDKs), transaction processing for selected payment modes, and refund initiation. Requests are signed via Paytm's checksum logic and the signature is sent in the request head.
version: '1.0'
contact:
name: Paytm for Business
url: https://business.paytm.com/docs/api/
servers:
- url: https://securegw.paytm.in
description: Production
- url: https://securegw-stage.paytm.in
description: Staging
- url: https://secure.paytmpayments.com
description: Production (paytmpayments.com host)
- url: https://securestage.paytmpayments.com
description: Staging (paytmpayments.com host)
security: []
tags:
- name: Refunds
paths:
/refund/apply:
post:
tags:
- Refunds
summary: Initiate refund
description: Initiates a refund (full or partial) for a completed Paytm transaction. Refunds are asynchronous; success of this call only acknowledges registration.
operationId: initiateRefund
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
head:
type: object
properties:
signature:
type: string
body:
type: object
required:
- mid
- orderId
- refId
- txnId
- txnType
- refundAmount
properties:
mid:
type: string
orderId:
type: string
refId:
type: string
description: Merchant-generated unique refund reference.
txnId:
type: string
description: Paytm payment transaction id being refunded.
txnType:
type: string
enum:
- REFUND
refundAmount:
type: string
description: Up to 2 decimal places.
responses:
'200':
description: Refund registered.
components:
securitySchemes:
paytmChecksum:
type: apiKey
in: header
name: signature
description: Checksum signature computed over the request body using Paytm's merchant key. Carried in the request head.signature property and/or as a request header per endpoint guidance.