AbacatePay Billing and Charges API

openapi: 3.0.1
info:
  title: AbacatePay API
  description: >-
    REST API for AbacatePay, a Brazilian payment gateway focused on instant Pix
    payments. Create billings and charges, generate and check Pix QR Codes,
    manage customers and coupons, and request withdrawals. All responses follow
    the {data, error} envelope and authenticate with a Bearer API key.
  termsOfService: https://www.abacatepay.com/termos
  contact:
    name: AbacatePay Support
    url: https://docs.abacatepay.com
  version: v1
servers:
  - url: https://api.abacatepay.com/v1
    description: AbacatePay API v1 production server
security:
  - bearerAuth: []
tags:
  - name: Billing
    description: Create and list billings (charges) with a shareable checkout URL.
  - name: Pix QR Code
    description: Create, check, and simulate dynamic Pix QR Code payments.
  - name: Customer
    description: Create and list customers (clients).
  - name: Coupon
    description: Create and list discount coupons.
  - name: Withdraw
    description: Create, retrieve, and list withdrawals (payouts) to a Pix key.
paths:
  /billing/create:
    post:
      operationId: createBilling
      tags:
        - Billing
      summary: Create a new billing
      description: >-
        Creates a billing (charge) backed by a shareable checkout URL,
        supporting Pix and other payment methods, products, coupons, and
        customer association.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateBillingRequest'
      responses:
        '200':
          description: Billing created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BillingResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /billing/list:
    get:
      operationId: listBillings
      tags:
        - Billing
      summary: List billings
      description: Returns the list of billings created for the authenticated store.
      responses:
        '200':
          description: A list of billings
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/Billing'
                  error:
                    nullable: true
        '401':
          $ref: '#/components/responses/Unauthorized'
  /pixQrCode/create:
    post:
      operationId: createPixQrCode
      tags:
        - Pix QR Code
      summary: Create a Pix QR Code
      description: >-
        Creates a dynamic Pix QR Code returning the BR Code (copy-and-paste
        string) and a base64-encoded QR Code image for immediate collection.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreatePixQrCodeRequest'
      responses:
        '200':
          description: Pix QR Code created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PixQrCodeResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /pixQrCode/check:
    get:
      operationId: checkPixQrCode
      tags:
        - Pix QR Code
      summary: Check Pix QR Code status
      description: Returns the current status and expiration of a Pix QR Code.
      parameters:
        - name: id
          in: query
          required: true
          description: The Pix QR Code identifier.
          schema:
            type: string
      responses:
        '200':
          description: Pix QR Code status
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: object
                    properties:
                      status:
                        $ref: '#/components/schemas/PixStatus'
                      expiresAt:
                        type: string
                        format: date-time
                  error:
                    nullable: true
        '401':
          $ref: '#/components/responses/Unauthorized'
  /pixQrCode/simulate-payment:
    post:
      operationId: simulatePixPayment
      tags:
        - Pix QR Code
      summary: Simulate a Pix payment
      description: >-
        Simulates payment of a Pix QR Code. Available in dev mode only, for
        testing webhooks and payment flows.
      parameters:
        - name: id
          in: query
          required: true
          description: The Pix QR Code identifier.
          schema:
            type: string
      requestBody:
        required: false
        content:
          application/json:
            schema:
              type: object
              properties:
                metadata:
                  type: object
                  additionalProperties: true
      responses:
        '200':
          description: Payment simulated
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PixQrCodeResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /customer/create:
    post:
      operationId: createCustomer
      tags:
        - Customer
      summary: Create a new customer
      description: Creates a customer (client) to associate with billings and charges.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateCustomerRequest'
      responses:
        '200':
          description: Customer created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CustomerResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /customer/list:
    get:
      operationId: listCustomers
      tags:
        - Customer
      summary: List customers
      description: Returns the list of customers for the authenticated store.
      responses:
        '200':
          description: A list of customers
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/Customer'
                  error:
                    nullable: true
        '401':
          $ref: '#/components/responses/Unauthorized'
  /coupon/create:
    post:
      operationId: createCoupon
      tags:
        - Coupon
      summary: Create a new coupon
      description: Creates a discount coupon with a percentage or fixed-amount discount.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateCouponRequest'
      responses:
        '200':
          description: Coupon created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CouponResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /coupon/list:
    get:
      operationId: listCoupons
      tags:
        - Coupon
      summary: List coupons
      description: Returns the list of coupons for the authenticated store.
      responses:
        '200':
          description: A list of coupons
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/Coupon'
                  error:
                    nullable: true
        '401':
          $ref: '#/components/responses/Unauthorized'
  /withdraw/create:
    post:
      operationId: createWithdraw
      tags:
        - Withdraw
      summary: Create a new withdrawal
      description: Requests a withdrawal (payout) of available balance to a Pix key.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateWithdrawRequest'
      responses:
        '200':
          description: Withdrawal created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/WithdrawResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /withdraw/get:
    get:
      operationId: getWithdraw
      tags:
        - Withdraw
      summary: Get a withdrawal
      description: Retrieves a withdrawal transaction by external ID.
      parameters:
        - name: externalId
          in: query
          required: true
          description: The external identifier supplied when the withdrawal was created.
          schema:
            type: string
      responses:
        '200':
          description: Withdrawal found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/WithdrawResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          description: Withdrawal not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
  /withdraw/list:
    get:
      operationId: listWithdraws
      tags:
        - Withdraw
      summary: List withdrawals
      description: Returns the list of withdrawal transactions for the authenticated store.
      responses:
        '200':
          description: A list of withdrawals
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/Transaction'
                  error:
                    nullable: true
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: API Key
      description: >-
        Authenticate with your AbacatePay API key as a Bearer token:
        `Authorization: Bearer <abacatepay-api-key>`.
  responses:
    Unauthorized:
      description: Missing or invalid API key
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    Error:
      type: object
      properties:
        data:
          nullable: true
        error:
          type: string
          description: Human-readable error message.
    Metadata:
      type: object
      description: Arbitrary key/value metadata attached to a resource.
      additionalProperties: true
    Product:
      type: object
      required:
        - externalId
        - name
        - quantity
        - price
      properties:
        externalId:
          type: string
          description: Your identifier for the product.
        name:
          type: string
        description:
          type: string
        quantity:
          type: integer
          minimum: 1
        price:
          type: integer
          description: Unit price in cents (BRL centavos).
    CustomerData:
      type: object
      properties:
        name:
          type: string
        cellphone:
          type: string
        email:
          type: string
          format: email
        taxId:
          type: string
          description: Brazilian tax identifier (CPF or CNPJ).
    CreateBillingRequest:
      type: object
      required:
        - frequency
        - methods
        - products
        - returnUrl
        - completionUrl
      properties:
        frequency:
          type: string
          description: Billing frequency.
          enum:
            - ONE_TIME
            - MULTIPLE_PAYMENTS
        methods:
          type: array
          items:
            type: string
            enum:
              - PIX
          description: Accepted payment methods.
        products:
          type: array
          items:
            $ref: '#/components/schemas/Product'
        returnUrl:
          type: string
          format: uri
          description: URL the customer is sent to when they click "back".
        completionUrl:
          type: string
          format: uri
          description: URL the customer is redirected to after payment.
        customerId:
          type: string
          description: Existing customer ID to associate with the billing.
        customer:
          $ref: '#/components/schemas/CustomerData'
        allowCoupons:
          type: boolean
        coupons:
          type: array
          items:
            type: string
        externalId:
          type: string
        metadata:
          $ref: '#/components/schemas/Metadata'
    Billing:
      type: object
      properties:
        id:
          type: string
        url:
          type: string
          format: uri
          description: Shareable checkout URL.
        amount:
          type: integer
          description: Total amount in cents.
        status:
          type: string
          enum:
            - PENDING
            - EXPIRED
            - CANCELLED
            - PAID
            - REFUNDED
        frequency:
          type: string
        methods:
          type: array
          items:
            type: string
        products:
          type: array
          items:
            $ref: '#/components/schemas/Product'
        metadata:
          $ref: '#/components/schemas/Metadata'
    BillingResponse:
      type: object
      properties:
        data:
          $ref: '#/components/schemas/Billing'
        error:
          nullable: true
    CreatePixQrCodeRequest:
      type: object
      required:
        - amount
      properties:
        amount:
          type: integer
          description: Amount to charge in cents (BRL centavos).
        expiresIn:
          type: integer
          description: Seconds until the QR Code expires.
        description:
          type: string
        customer:
          $ref: '#/components/schemas/CustomerData'
        metadata:
          $ref: '#/components/schemas/Metadata'
    PixStatus:
      type: string
      enum:
        - PENDING
        - PAID
        - EXPIRED
        - CANCELLED
        - REFUNDED
    PixQrCode:
      type: object
      properties:
        id:
          type: string
        amount:
          type: integer
        status:
          $ref: '#/components/schemas/PixStatus'
        brCode:
          type: string
          description: Pix copy-and-paste payload (BR Code).
        brCodeBase64:
          type: string
          description: Base64-encoded QR Code image.
        expiresAt:
          type: string
          format: date-time
        metadata:
          $ref: '#/components/schemas/Metadata'
    PixQrCodeResponse:
      type: object
      properties:
        data:
          $ref: '#/components/schemas/PixQrCode'
        error:
          nullable: true
    CreateCustomerRequest:
      type: object
      required:
        - name
        - cellphone
        - email
        - taxId
      properties:
        name:
          type: string
        cellphone:
          type: string
        email:
          type: string
          format: email
        taxId:
          type: string
          description: Brazilian tax identifier (CPF or CNPJ).
    Customer:
      type: object
      properties:
        id:
          type: string
        metadata:
          $ref: '#/components/schemas/CustomerData'
    CustomerResponse:
      type: object
      properties:
        data:
          $ref: '#/components/schemas/Customer'
        error:
          nullable: true
    CreateCouponRequest:
      type: object
      required:
        - code
        - discount
        - discountKind
        - notes
      properties:
        code:
          type: string
        discount:
          type: number
          description: Discount value (percentage or fixed amount per discountKind).
        discountKind:
          type: string
          enum:
            - PERCENTAGE
            - FIXED
        notes:
          type: string
        maxRedeems:
          type: integer
          description: Maximum number of redemptions; -1 for unlimited.
        metadata:
          $ref: '#/components/schemas/Metadata'
    Coupon:
      type: object
      properties:
        id:
          type: string
        code:
          type: string
        discount:
          type: number
        discountKind:
          type: string
        status:
          type: string
          enum:
            - ACTIVE
            - DISABLED
        maxRedeems:
          type: integer
        redeemsCount:
          type: integer
        notes:
          type: string
        metadata:
          $ref: '#/components/schemas/Metadata'
    CouponResponse:
      type: object
      properties:
        data:
          $ref: '#/components/schemas/Coupon'
        error:
          nullable: true
    PixKey:
      type: object
      required:
        - type
        - key
      properties:
        type:
          type: string
          enum:
            - PIX
        key:
          type: string
          description: The destination Pix key (CPF, CNPJ, email, phone, or random key).
    CreateWithdrawRequest:
      type: object
      required:
        - externalId
        - method
        - amount
        - pix
      properties:
        externalId:
          type: string
          description: Your identifier for the withdrawal, used for idempotency and lookup.
        method:
          type: string
          enum:
            - PIX
        amount:
          type: integer
          description: Amount to withdraw in cents (BRL centavos).
        pix:
          $ref: '#/components/schemas/PixKey'
        description:
          type: string
    Transaction:
      type: object
      properties:
        id:
          type: string
        externalId:
          type: string
        status:
          type: string
          enum:
            - PENDING
            - PROCESSING
            - COMPLETED
            - FAILED
        kind:
          type: string
          description: Transaction kind (e.g. WITHDRAW).
        amount:
          type: integer
        createdAt:
          type: string
          format: date-time
    WithdrawResponse:
      type: object
      properties:
        data:
          $ref: '#/components/schemas/Transaction'
        error:
          nullable: true