openapi: 3.1.0
info:
  title: Cellulant Tingg Checkout Acknowledgement API
  description: 'Tingg Checkout 3.0 — accept payments across 25+ African markets through

    a single integration. Supports Express Checkout (hosted/modal) and Custom

    Checkout (host-to-host) for mobile money, cards, and direct bank transfer.

    '
  version: 3.0.0
  contact:
    name: Cellulant Developer Support
    url: https://developer.tingg.africa
    email: developer@cellulant.io
  license:
    name: Cellulant Terms of Service
    url: https://www.cellulant.io/terms
servers:
- url: https://api.tingg.africa
  description: Production
- url: https://api-approval.tingg.africa
  description: Sandbox
security:
- BearerAuth: []
  ApiKeyAuth: []
tags:
- name: Acknowledgement
  description: Acknowledge successful or partial payments back to the platform.
paths:
  /v3/checkout-api/acknowledgement/request:
    post:
      summary: Acknowledge Payment
      description: Send the final or partial delivered status for a checkout transaction back to the platform.
      operationId: acknowledgePayment
      tags:
      - Acknowledgement
      parameters:
      - $ref: '#/components/parameters/ApiKey'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/AcknowledgementRequest'
            examples:
              AcknowledgementRequestExample:
                $ref: '#/components/examples/AcknowledgementRequestExample'
      responses:
        '200':
          description: Acknowledgement logged
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AcknowledgementResponse'
        4XX:
          $ref: '#/components/responses/ErrorResponse'
components:
  schemas:
    AcknowledgementRequest:
      type: object
      required:
      - acknowledgement_type
      - acknowledgment_reference
      - merchant_transaction_id
      - service_code
      - status_code
      - currency_code
      properties:
        acknowledgement_amount:
          type: number
          format: double
          description: Required when acknowledgement_type is Partial.
        acknowledgement_type:
          type: string
          enum:
          - Full
          - Partial
        acknowledgement_narration:
          type: string
        acknowledgment_reference:
          type: string
        merchant_transaction_id:
          type: string
        service_code:
          type: string
        status_code:
          type: integer
          description: 183 = successful, 180 = rejected, 188 = received, will be acknowledged later.
        currency_code:
          type: string
    AcknowledgementResponse:
      type: object
      properties:
        status_code:
          type: integer
        status_description:
          type: string
    Error:
      type: object
      properties:
        status_code:
          type: integer
        status_description:
          type: string
        errors:
          type: array
          items:
            type: object
            properties:
              code:
                type: string
              message:
                type: string
  parameters:
    ApiKey:
      name: apikey
      in: header
      required: true
      description: Merchant API key issued in the Tingg integration dashboard.
      schema:
        type: string
  responses:
    ErrorResponse:
      description: Error response
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  examples:
    AcknowledgementRequestExample:
      summary: Acknowledge a successful payment
      value:
        acknowledgement_type: Full
        acknowledgement_narration: Goods delivered
        acknowledgment_reference: ACK-001
        merchant_transaction_id: MX-2026-05-24-0001
        service_code: TINGGSVC001
        status_code: 183
        currency_code: KES
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
    ApiKeyAuth:
      type: apiKey
      in: header
      name: apikey
      description: Merchant apiKey issued in the Tingg integration dashboard.