Carry1st

Carry1st Payments API

Create payment requests and query their status.

Documentation GitHub OpenAPI

Operations 2

POST /api/pay1st/payments/create Create Payment Request #

GET /api/pay1st/payments Query Payment Status #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Pay1st Gateway Payments API
  version: '4.0'
  description: The Pay1st Gateway API from Carry1st enables digital-content and mobile-game partners to accept payments across Africa via 120+ local payment methods in South Africa, Nigeria, Kenya, Egypt, Morocco, and Ghana.
  contact:
    name: Pay1st Developer Documentation
    url: https://pay1st-docs.carry1st.com/
  x-apievangelist-derived-from: https://pay1st-docs.carry1st.com/
servers:
- url: https://api-gateway.carry1st.com
  description: Production
- url: https://api-gateway.platform.stage.carry1st.com
  description: Sandbox / Staging
tags:
- name: Payments
  description: Create payment requests and query their status.
paths:
  /api/pay1st/payments/create:
    post:
      operationId: createPaymentRequest
      tags:
      - Payments
      summary: Create Payment Request
      description: Create a payment request before a payment is made. Requires a valid Access Token plus an X-SIGNATURE (hex HMAC-SHA256) and X-TIMESTAMP header.
      security:
      - accessToken: []
      parameters:
      - $ref: '#/components/parameters/XSignature'
      - $ref: '#/components/parameters/XTimestamp'
      requestBody:
        required: true
        content:
          application/vnd.carry1st.payments.payment+json:
            schema:
              $ref: '#/components/schemas/CreatePaymentRequest'
            example:
              countryCode: NG
              currencyCode: NGN
              amount: 100
              partnerReference: 1119bf84-dc97-4be9-aa67-ec27d7003f07
              products:
              - title: 10Credits
                sku: '12345'
                price: 100
                quantity: 1
                currencyCode: NGN
              metadata:
              - key: customerId
                value: '1'
      responses:
        '201':
          description: Payment request created.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PaymentResponse'
              example:
                reference: C-113976984708914-P
                partnerReference: e27b3b79-5ab3-4c1b-806f-1428c08d8637
                countryCode: NG
                currencyCode: NGN
                amount: 100
                status: NEW
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /api/pay1st/payments:
    get:
      operationId: queryPaymentStatus
      tags:
      - Payments
      summary: Query Payment Status
      description: Query the current status of a payment using its Pay1st reference.
      security:
      - accessToken: []
      parameters:
      - name: reference
        in: query
        required: true
        description: The Pay1st reference returned by createPaymentRequest.
        schema:
          type: string
          example: C-142710055596150-P
      responses:
        '200':
          description: The payment and its current status.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PaymentDetail'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '429':
          $ref: '#/components/responses/TooManyRequests'
components:
  schemas:
    Product:
      type: object
      properties:
        currencyCode:
          type: string
        price:
          type: number
        quantity:
          type: integer
        sku:
          type: string
        title:
          type: string
    CreatePaymentRequest:
      type: object
      required:
      - amount
      - countryCode
      - currencyCode
      - partnerReference
      - products
      - metadata
      properties:
        amount:
          type: number
          description: The amount to pay.
        countryCode:
          type: string
          description: ISO-2 country code, e.g. ZA.
        currencyCode:
          type: string
        partnerReference:
          type: string
          description: Unique partner reference for reconciliation; must be unique for the lifetime of the integration.
        callbackSuccessUrl:
          type: string
        callbackFailureUrl:
          type: string
        callbackPendingUrl:
          type: string
        callbackCancelUrl:
          type: string
        webhookUrl:
          type: string
        products:
          type: array
          items:
            $ref: '#/components/schemas/Product'
        metadata:
          type: array
          items:
            $ref: '#/components/schemas/Metadata'
    Error:
      type: object
      description: Standard Pay1st error envelope.
      properties:
        errorMessage:
          type: string
          description: A message detailing the error that occurred.
        errorCode:
          type: string
          description: A code to identify the error source.
        sessionId:
          type: string
          description: Session identifier to share with the Pay1st Implementation Manager for troubleshooting.
    PaymentResponse:
      type: object
      properties:
        reference:
          type: string
        partnerReference:
          type: string
        countryCode:
          type: string
        currencyCode:
          type: string
        amount:
          type: number
        status:
          $ref: '#/components/schemas/PaymentStatus'
    PaymentDetail:
      allOf:
      - $ref: '#/components/schemas/PaymentResponse'
      - type: object
        properties:
          channelId:
            type: integer
          channelName:
            type: string
          partnerSettings:
            type: object
            properties:
              partnerId:
                type: integer
              webhookUrl:
                type: string
              successCallbackUrl:
                type: string
              failureCallbackUrl:
                type: string
              pendingCallbackUrl:
                type: string
              cancelCallbackUrl:
                type: string
          products:
            type: array
            items:
              $ref: '#/components/schemas/Product'
          metadata:
            type: array
            items:
              $ref: '#/components/schemas/Metadata'
    Metadata:
      type: object
      properties:
        key:
          type: string
        value:
          type: string
    PaymentStatus:
      type: string
      description: Payment lifecycle status.
      enum:
      - NEW
      - PENDING
      - SUCCESSFUL
      - FAILED
      - CANCELLED
      - ABANDONED
  parameters:
    XSignature:
      name: X-SIGNATURE
      in: header
      required: true
      description: Hex-encoded HMAC-SHA256 signature of the timestamp + request JSON.
      schema:
        type: string
    XTimestamp:
      name: X-TIMESTAMP
      in: header
      required: true
      description: Current time in ISO-8601, identical to the timestamp used to build the signature.
      schema:
        type: string
        format: date-time
  responses:
    Forbidden:
      description: Forbidden - the credentials lack permission for this resource.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    BadRequest:
      description: Bad Request - check the payload, params, or signature/timestamp headers.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    TooManyRequests:
      description: Too Many Requests - the partner is being rate limited.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Unauthorized:
      description: Unauthorized - check the API Key/Secret or Access Token.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    basicAuth:
      type: http
      scheme: basic
      description: Base64(API_KEY:API_SECRET) used only on the auth/token and auth/refresh endpoints.
    accessToken:
      type: apiKey
      in: header
      name: AccessToken
      description: Bearer <AccessToken> issued by generateAccessToken; required on all Gateway API requests.