openapi: 3.1.0
info:
  title: Cryptomus Exchange Recurring Payments API
  description: 'Cryptomus is a cryptocurrency payment gateway providing REST APIs for accepting crypto payments, creating invoices, processing payouts, managing recurring billing, and accessing real-time exchange rate and market data across 100+ cryptocurrencies.

    '
  version: 1.0.0
  contact:
    name: Cryptomus Support
    url: https://cryptomus.com/
  termsOfService: https://cryptomus.com/terms
  license:
    name: Proprietary
    url: https://cryptomus.com/privacy
servers:
- url: https://api.cryptomus.com/v1
  description: Cryptomus API v1 (Merchant & Payout)
- url: https://api.cryptomus.com/v2
  description: Cryptomus API v2 (Exchange & Market Data)
security:
- MerchantAuth: []
tags:
- name: Recurring Payments
  description: Create and manage recurring payment subscriptions
paths:
  /recurrence/create:
    post:
      operationId: createRecurringPayment
      summary: Create a recurring payment
      description: Create a recurring cryptocurrency payment subscription.
      tags:
      - Recurring Payments
      parameters:
      - in: header
        name: sign
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - amount
              - currency
              - name
              - period
              properties:
                amount:
                  type: string
                  description: Payment amount
                currency:
                  type: string
                  description: Currency code
                name:
                  type: string
                  minLength: 3
                  maxLength: 60
                  description: Subscription name
                period:
                  type: string
                  enum:
                  - weekly
                  - monthly
                  - three_month
                  description: Billing period
                to_currency:
                  type: string
                  description: Target cryptocurrency for conversion
                order_id:
                  type: string
                  minLength: 1
                  maxLength: 100
                  description: Merchant order identifier
                url_callback:
                  type: string
                  format: uri
                  description: Webhook endpoint for status updates
                discount_days:
                  type: integer
                  minimum: 1
                  maximum: 365
                  description: Introductory discount period in days
                discount_amount:
                  type: string
                  description: Discount amount in specified currency
                additional_data:
                  type: string
                  description: Extra payment details
      responses:
        '200':
          description: Recurring payment created
          content:
            application/json:
              schema:
                type: object
                properties:
                  state:
                    type: integer
                  result:
                    $ref: '#/components/schemas/RecurringObject'
        '422':
          description: Validation error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /recurrence/info:
    post:
      operationId: getRecurringPaymentInfo
      summary: Get recurring payment information
      description: Retrieve details of a specific recurring payment.
      tags:
      - Recurring Payments
      parameters:
      - in: header
        name: sign
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                uuid:
                  type: string
                  format: uuid
                  description: Recurring payment UUID
                order_id:
                  type: string
                  minLength: 1
                  maxLength: 128
                  description: Order ID (takes precedence if both provided)
      responses:
        '200':
          description: Recurring payment information
          content:
            application/json:
              schema:
                type: object
                properties:
                  state:
                    type: integer
                  result:
                    $ref: '#/components/schemas/RecurringObject'
        '422':
          description: Validation error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
  /recurrence/list:
    post:
      operationId: listRecurringPayments
      summary: List recurring payments
      description: Retrieve a paginated list of recurring payments.
      tags:
      - Recurring Payments
      parameters:
      - in: header
        name: sign
        required: true
        schema:
          type: string
      - in: query
        name: cursor
        schema:
          type: string
        description: Pagination cursor
      requestBody:
        required: false
        content:
          application/json:
            schema:
              type: object
      responses:
        '200':
          description: Recurring payments list
          content:
            application/json:
              schema:
                type: object
                properties:
                  state:
                    type: integer
                  result:
                    type: object
                    properties:
                      items:
                        type: array
                        items:
                          $ref: '#/components/schemas/RecurringObject'
                      paginate:
                        $ref: '#/components/schemas/PaginateResult'
  /recurrence/cancel:
    post:
      operationId: cancelRecurringPayment
      summary: Cancel a recurring payment
      description: Cancel an active recurring payment subscription.
      tags:
      - Recurring Payments
      parameters:
      - in: header
        name: sign
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                uuid:
                  type: string
                  format: uuid
                  description: Recurring payment UUID
                order_id:
                  type: string
                  description: Order ID (takes precedence if both provided)
      responses:
        '200':
          description: Recurring payment cancelled
          content:
            application/json:
              schema:
                type: object
                properties:
                  state:
                    type: integer
                  result:
                    $ref: '#/components/schemas/RecurringObject'
        '422':
          description: Validation error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  schemas:
    ErrorResponse:
      type: object
      properties:
        state:
          type: integer
          description: Error state code (1 = error)
        message:
          type: string
        errors:
          type: object
          additionalProperties:
            type: array
            items:
              type: string
    PaginateResult:
      type: object
      properties:
        count:
          type: integer
          description: Number of items on the current page
        hasPages:
          type: boolean
          description: Whether multiple pages exist
        nextCursor:
          type: string
          nullable: true
          description: Cursor for the next page
        previousCursor:
          type: string
          nullable: true
          description: Cursor for the previous page
        perPage:
          type: integer
          description: Maximum items per page
    RecurringObject:
      type: object
      properties:
        uuid:
          type: string
          format: uuid
        name:
          type: string
        order_id:
          type: string
          nullable: true
        amount:
          type: string
        currency:
          type: string
        payer_currency:
          type: string
        payer_amount:
          type: string
        payer_amount_usd:
          type: string
        url_callback:
          type: string
          nullable: true
          format: uri
        discount_days:
          type: string
        discount_amount:
          type: string
        end_of_discount:
          type: string
          nullable: true
        period:
          type: string
          enum:
          - weekly
          - monthly
          - three_month
        status:
          type: string
          enum:
          - wait_accept
          - active
          - cancel_by_merchant
          - cancel_by_user
        url:
          type: string
          format: uri
        last_pay_off:
          type: string
          nullable: true
  securitySchemes:
    MerchantAuth:
      type: apiKey
      in: header
      name: merchant
      description: 'Merchant UUID from personal account settings. All requests also require a `sign` header computed as MD5(base64_encode(request_body) + API_KEY).

        '