openapi: 3.1.0 info: title: Mercado Pago REST Authentication Refunds API description: 'Mercado Pago REST API covering payments, Checkout Pro preferences, subscriptions (preapprovals), customers, cards, merchant orders, Orders API, refunds, chargebacks, claims, reports, Point (POS), QR, and OAuth. All requests authenticate with a Bearer access token in the `Authorization` header. Webhook deliveries are signed via the `x-signature` and `x-request-id` headers. ' version: v1 contact: name: Mercado Pago Developers url: https://www.mercadopago.com.br/developers/en/reference license: name: Mercado Pago Terms of Service url: https://www.mercadopago.com.br/ayuda/terminos-y-politicas_299 servers: - url: https://api.mercadopago.com description: Mercado Pago Production API security: - bearerAuth: [] tags: - name: Refunds description: Refund payments paths: /v1/payments/{id}/refunds: parameters: - $ref: '#/components/parameters/PaymentId' post: tags: - Refunds summary: Refund A Payment operationId: refundPayment requestBody: required: false content: application/json: schema: $ref: '#/components/schemas/RefundRequest' responses: '201': description: Refund created content: application/json: schema: $ref: '#/components/schemas/Refund' get: tags: - Refunds summary: List Refunds For A Payment operationId: listRefunds responses: '200': description: Refunds list content: application/json: schema: type: array items: $ref: '#/components/schemas/Refund' /v1/payments/{id}/refunds/{refund_id}: parameters: - $ref: '#/components/parameters/PaymentId' - name: refund_id in: path required: true schema: type: integer get: tags: - Refunds summary: Get A Refund operationId: getRefund responses: '200': description: Refund content: application/json: schema: $ref: '#/components/schemas/Refund' components: schemas: RefundRequest: type: object properties: amount: type: number format: double description: Optional partial refund amount. Omit for a full refund. Refund: type: object properties: id: type: integer format: int64 payment_id: type: integer format: int64 amount: type: number format: double source: type: object properties: id: type: string name: type: string type: type: string date_created: type: string format: date-time status: type: string enum: - approved - rejected - in_process unique_sequence_number: type: string nullable: true parameters: PaymentId: name: id in: path required: true schema: type: integer format: int64 example: 1234567890 securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: access_token description: 'Mercado Pago access token. Send as `Authorization: Bearer {ACCESS_TOKEN}`. HTTPS is required. Idempotency is supported via the `X-Idempotency-Key` header on POST/PUT operations. ' oauth2: type: oauth2 flows: authorizationCode: authorizationUrl: https://auth.mercadopago.com/authorization tokenUrl: https://api.mercadopago.com/oauth/token scopes: offline_access: Persistent refresh token read: Read merchant data write: Write merchant data