R2

R2 Payments API

The payments API from R2 — 2 operation(s) for payments.

Operations 2

POST /api/payments/payin/refund/{id} Refund partially one collection #
POST /api/payments/payin/revert/{id} Revert one collection #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/r2-payments-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

r2-payments-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  contact:
    email: support@r2capital.co
    name: R2 Support
  description: '## Introduction


    Through our REST APIs, you''ll be able to run an end-to-end capital program for your merchants.'
  title: R2 Payments API
  version: '0.1'
servers:
- url: https://gateway-dev.r2capital.co:443/v2
- url: https://gateway-dev.r2capital.co/v2/
  description: Development environment (DEV)
tags:
- name: Payments
paths:
  /api/payments/payin/refund/{id}:
    post:
      description: 'Important: We are expecting the R2 collection id.'
      parameters:
      - description: uuid formatted R2 collection ID.
        in: path
        name: id
        required: true
        schema:
          type: string
          format: uuid
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/paymentsdomain.RefundRequest'
        description: collection amount to refund, it should be a negative amount
        required: true
      responses:
        '201':
          description: Created
          content:
            application/json:
              schema:
                properties:
                  error:
                    type: string
                  items:
                    items:
                      $ref: '#/components/schemas/paymentsdomain.RefundPaymentResponse'
                    type: array
                type: object
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                properties:
                  error:
                    type: string
                  items:
                    items:
                      type: object
                    type: array
                type: object
        '404':
          description: Not Found
          content:
            application/json:
              schema:
                properties:
                  error:
                    type: string
                  items:
                    items:
                      type: object
                    type: array
                type: object
        '500':
          description: Internal Server Error
      security:
      - JWT: []
      summary: Refund partially one collection
      tags:
      - Payments
      operationId: postApiPaymentsPayinRefundById
      x-operation-id-source: derived
  /api/payments/payin/revert/{id}:
    post:
      description: 'Important: We are expecting the R2 collection id.'
      parameters:
      - description: uuid formatted R2 collection ID.
        in: path
        name: id
        required: true
        schema:
          type: string
          format: uuid
      responses:
        '201':
          description: Created
          content:
            application/json:
              schema:
                properties:
                  error:
                    type: string
                  items:
                    items:
                      $ref: '#/components/schemas/paymentsdomain.RevertCollectionResponse'
                    type: array
                type: object
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                properties:
                  error:
                    type: string
                  items:
                    items:
                      type: object
                    type: array
                type: object
        '404':
          description: Not Found
          content:
            application/json:
              schema:
                properties:
                  error:
                    type: string
                  items:
                    items:
                      type: object
                    type: array
                type: object
        '500':
          description: Internal Server Error
      security:
      - JWT: []
      summary: Revert one collection
      tags:
      - Payments
      operationId: postApiPaymentsPayinRevertById
      x-operation-id-source: derived
components:
  schemas:
    paymentsdomain.RefundPaymentResponse:
      properties:
        error:
          example: In case of error here is a message
          type: string
        items:
          items:
            $ref: '#/components/schemas/paymentsdomain.RevertCollectionResponse'
          type: array
      type: object
    paymentsdomain.RevertCollectionResponse:
      properties:
        collection_id:
          example: 550e8400-e29b-41d4-a716-446655440000
          type: string
        data:
          $ref: '#/components/schemas/paymentsdomain.RevertData'
        financing_id:
          example: 550e8400-e29b-41d4-a716-446655440001
          type: string
        message:
          example: A revert or refund collection related to parent id was added
          type: string
        parent_id:
          example: 550e8400-e29b-41d4-a716-446655440002
          type: string
        partner_collection_id:
          type: string
        success:
          example: true
          type: boolean
      type: object
    paymentsdomain.RevertData:
      properties:
        amount_to_dismiss:
          example: 0
          type: number
        charged_amount:
          example: -70.1
          type: number
        repayment_amount:
          example: -70.1
          type: number
      type: object
    paymentsdomain.RefundRequest:
      properties:
        amount:
          example: -70.1
          type: number
        gross_sales_amount:
          example: 70.1
          type: number
        id:
          type: string
        metadata:
          type: object
        partner_collection_id:
          example: 550e8400-e29b-41d4-a716-446655440000
          type: string
      type: object
  securitySchemes:
    JWT:
      in: header
      name: Authorization
      type: apiKey