Kushki Transfer API

openapi: 3.1.0
info:
  title: Kushki Card Payments Branches Transfer API
  description: 'Card-not-present REST API for the Kushki regional non-banking acquirer.

    Card numbers are tokenized client-side by Kushki.js Hosted Fields or the

    iOS / Android SDKs and the resulting `transactionToken` is exchanged

    server-side for a charge, pre-authorization, capture, or void.

    '
  version: 1.0.0
  contact:
    name: Kushki
    url: https://kushkipagos.com/
    email: dev@kushkipagos.com
  license:
    name: Kushki API Terms
    url: https://kushkipagos.com/legal
servers:
- url: https://api.kushkipagos.com
  description: Production
- url: https://api-uat.kushkipagos.com
  description: UAT / Sandbox
- url: https://api-stg.kushkipagos.com
  description: Staging
security:
- PublicMerchantId: []
- PrivateMerchantId: []
tags:
- name: Transfer
  description: Bank-rail transfer charges
paths:
  /transfer/v1/init:
    post:
      summary: Kushki Initialize Transfer Charge
      description: Initialize a transfer payment. Returns a redirect URL (PSE / Webpay) or QR/CopyPaste payload (PIX) plus a Kushki ticket number.
      operationId: initTransferCharge
      tags:
      - Transfer
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/TransferInitRequest'
            example:
              callbackUrl: https://merchant.example.com/checkout/return
              userType: '0'
              documentType: CC
              documentNumber: '100000001'
              email: payer@example.com
              paymentDescription: Order 42
              amount:
                subtotalIva: 0
                subtotalIva0: 50000
                iva: 0
                currency: COP
      responses:
        '200':
          description: Transfer initialized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TransferInitResponse'
        4XX:
          $ref: '#/components/responses/ErrorResponse'
  /transfer/v1/charge:
    post:
      summary: Kushki Confirm Transfer Charge
      description: Confirm a transfer charge after the payer authorizes at the bank. Normally driven by the redirect callback; webhook delivery is the authoritative event.
      operationId: confirmTransferCharge
      tags:
      - Transfer
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/TransferChargeRequest'
      responses:
        '200':
          description: Charge confirmed
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TransferChargeResponse'
  /transfer/v1/charges/{ticketNumber}:
    get:
      summary: Kushki Get Transfer Charge
      description: Retrieve the current status of a transfer charge.
      operationId: getTransferCharge
      tags:
      - Transfer
      parameters:
      - name: ticketNumber
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Charge status
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TransferChargeResponse'
components:
  schemas:
    TransferChargeResponse:
      type: object
      properties:
        ticketNumber:
          type: string
        transactionStatus:
          type: string
          enum:
          - APPROVAL
          - INITIALIZED
          - DECLINED
          - PENDING
        approvalCode:
          type: string
        responseText:
          type: string
        paymentBrand:
          type: string
          description: PSE / Webpay / SPEI / PIX.
        bankName:
          type: string
    TransferInitRequest:
      type: object
      required:
      - callbackUrl
      - email
      - amount
      properties:
        callbackUrl:
          type: string
          format: uri
        userType:
          type: string
          enum:
          - '0'
          - '1'
          description: 0 = natural person, 1 = legal entity (Colombia PSE convention).
        documentType:
          type: string
          enum:
          - CC
          - NIT
          - CE
          - DNI
          - RUT
          - CURP
          - RFC
          - RUC
          - CPF
          - CNPJ
        documentNumber:
          type: string
        email:
          type: string
          format: email
        paymentDescription:
          type: string
        amount:
          $ref: '#/components/schemas/Amount'
        bankId:
          type: string
          description: PSE bank identifier (Colombia only).
        metadata:
          type: object
          additionalProperties: true
    Amount:
      type: object
      required:
      - subtotalIva
      - subtotalIva0
      - iva
      - currency
      properties:
        subtotalIva:
          type: number
        subtotalIva0:
          type: number
        ice:
          type: number
          default: 0
        iva:
          type: number
        currency:
          type: string
          enum:
          - USD
          - COP
          - PEN
          - CLP
          - MXN
          - BRL
    TransferInitResponse:
      type: object
      properties:
        token:
          type: string
        redirectUrl:
          type: string
          format: uri
        ticketNumber:
          type: string
        pixCopyPaste:
          type: string
          description: PIX copy-paste string (Brazil).
        qrCode:
          type: string
          description: Base64-encoded QR image (PIX).
    Error:
      type: object
      properties:
        code:
          type: string
        message:
          type: string
    TransferChargeRequest:
      type: object
      required:
      - token
      properties:
        token:
          type: string
        amount:
          $ref: '#/components/schemas/Amount'
        metadata:
          type: object
          additionalProperties: true
  responses:
    ErrorResponse:
      description: Error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    PublicMerchantId:
      type: apiKey
      in: header
      name: Public-Merchant-Id
      description: Client-side merchant key. Used by Kushki.js and mobile SDKs to tokenize cards. Never use server-side for charging.
    PrivateMerchantId:
      type: apiKey
      in: header
      name: Private-Merchant-Id
      description: Server-side merchant key. Required for charge, capture, void, refund, subscription, and payout calls.