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OpenAPI Specification

openapi: 3.2.0
info:
  title: Wompi Merchants API
  description: Wompi is the payment gateway of Grupo Bancolombia, serving Colombia (COP). The REST API creates and tracks transactions across local payment methods - CARD, NEQUI (mobile wallet), PSE (Pagos Seguros en Linea / online bank debit), BANCOLOMBIA_TRANSFER (Boton Bancolombia), and BANCOLOMBIA_COLLECT - plus card and Nequi tokenization, reusable payment sources, and hosted payment links. Public-key endpoints are safe for the browser; private-key endpoints are server-side only.
  termsOfService: https://wompi.co/es/co/terminos-y-condiciones
  contact:
    name: Wompi Soporte
    url: https://docs.wompi.co
    email: soporte@wompi.co
  version: '1.0'
servers:
- url: https://production.wompi.co/v1
  description: Production
- url: https://sandbox.wompi.co/v1
  description: Sandbox (test keys pub_test_ / prv_test_)
tags:
- name: Merchants
  description: Merchant info and presigned acceptance tokens.
paths:
  /merchants/{public_key}:
    get:
      operationId: getMerchant
      tags:
      - Merchants
      summary: Get merchant and presigned acceptance tokens
      description: Returns merchant configuration, accepted payment methods, and the presigned acceptance tokens (end-user policy + personal-data authorization) that are mandatory when creating transactions and payment sources.
      security:
      - PublicKey: []
      parameters:
      - name: public_key
        in: path
        required: true
        description: The merchant public key (pub_prod_... or pub_test_...).
        schema:
          type: string
      responses:
        '200':
          description: Merchant data with presigned acceptance tokens.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MerchantResponse'
        '404':
          description: Merchant not found.
components:
  schemas:
    MerchantResponse:
      type: object
      properties:
        data:
          type: object
          properties:
            id:
              type: integer
            name:
              type: string
            email:
              type: string
            presigned_acceptance:
              type: object
              properties:
                acceptance_token:
                  type: string
                permalink:
                  type: string
                type:
                  type: string
            presigned_personal_data_auth:
              type: object
              properties:
                acceptance_token:
                  type: string
                permalink:
                  type: string
            accepted_currencies:
              type: array
              items:
                type: string
                example: COP
            accepted_payment_methods:
              type: array
              items:
                type: string
                example: CARD
  securitySchemes:
    PublicKey:
      type: http
      scheme: bearer
      description: Bearer authorization with the merchant PUBLIC key (pub_prod_... / pub_test_...). Safe for client-side use; grants tokenization, merchant read, transaction create/read, and PSE catalog access.
    PrivateKey:
      type: http
      scheme: bearer
      description: Bearer authorization with the merchant PRIVATE key (prv_prod_... / prv_test_...). Server-side only; required for payment sources, voids, and payment links.