openapi: 3.0.3 info: title: Efí Pay Cobranças Account Immediate Pix API description: Billing API for Efí Pay (formerly Gerencianet). Issue boletos (Brazilian bank slips), Bolix (next-business-day boletos), carnês (installment booklets), payment links, credit card charges, subscriptions/recurring billing, and marketplace payment splits. OAuth2 with HTTP Basic for client_credentials. version: '1.0' contact: name: Efí Pay Developer Support url: https://dev.efipay.com.br license: name: Proprietary servers: - url: https://cobrancas.api.efipay.com.br/v1 description: Production - url: https://cobrancas-h.api.efipay.com.br/v1 description: Homologation (Sandbox) security: - oauth2ClientCredentials: [] tags: - name: Immediate Pix paths: /pagamentos/pix: post: tags: - Immediate Pix summary: Start Pix Payment operationId: ofStartPixPayment responses: '201': description: Started get: tags: - Immediate Pix summary: List Pix Payments operationId: ofListPixPayment responses: '200': description: Payments /pagamentos/pix/{identificadorPagamento}/devolver: post: tags: - Immediate Pix summary: Refund Pix Payment operationId: ofDevolutionPix parameters: - name: identificadorPagamento in: path required: true schema: type: string responses: '201': description: Refunded components: securitySchemes: oauth2ClientCredentials: type: oauth2 flows: clientCredentials: tokenUrl: https://cobrancas.api.efipay.com.br/v1/authorize scopes: {}