> ## Documentation Index > Fetch the complete documentation index at: https://docs.trio.com.br/llms.txt > Use this file to discover all available pages before exploring further. # Generate a Pix Payment (async) > Generates an async pix payment ## OpenAPI ````yaml v2/api-reference/openapi.json POST /v2/out/pix/async openapi: 3.0.0 info: title: Trio API v2 version: 2026-10-19.v2 servers: - url: https://api.sandbox.trio.com.br variables: {} - url: https://api.qa.trio.com.br variables: {} - url: https://api.trio.com.br variables: {} security: [] tags: [] paths: /v2/out/pix/async: parameters: - description: >- Version of the v2 contract the client is written against. Each breaking change publishes a new version. example: 2026-10-19.v2 in: header name: Trio-Version required: true schema: enum: - 2026-10-19.v2 type: string x-struct: null x-validate: null - description: >- ID of another org to act on instead of the API key's own org. The key's org must have been granted access to it, and the request is refused with 403 FORBIDDEN otherwise. When that access or the API key is read-only, only GET and HEAD requests may carry it. When the target org requires mTLS, so does the request. Leave it out to act on the key's own org. in: header name: Trio-Target-Org-Id required: false schema: format: uuid type: string x-struct: null x-validate: null post: tags: - Payments (out) - Pix summary: Generate an async pix payment description: Generates an async pix payment operationId: TrioFoundationWeb.V2.Out.PixController.generate_async parameters: [] requestBody: content: application/json: schema: $ref: '#/components/schemas/V2_Generate_pix_async_create_params' description: The async pix generation attributes required: true responses: '200': content: application/json: schema: $ref: '#/components/schemas/V2_Generate_pix_response' description: GeneratePix '400': content: application/json: schema: $ref: '#/components/schemas/V2_error' description: >- Malformed request: a body that is not valid JSON (MALFORMED_REQUEST), or a Trio-Version header that is missing or not the current one (INVALID_TRIO_VERSION). '401': content: application/json: schema: $ref: '#/components/schemas/V2_error' description: Missing or invalid API key credentials (INVALID_CREDENTIALS). '403': content: application/json: schema: $ref: '#/components/schemas/V2_error' description: >- The API key may not do this (FORBIDDEN): for instance Trio-Target-Org-Id names an org it has no access to, or writes through a read-only access. '422': content: application/json: schema: $ref: '#/components/schemas/V2_error' description: >- Invalid input (INVALID_PARAMETER, REQUIRED_PARAMETER, or the code of the rule the request breaks). A request outside the operation's schema lists the offending fields in `errors`. '503': content: application/json: schema: $ref: '#/components/schemas/V2_error' description: >- A service needed to answer is unavailable (TRIO_SERVICE_UNAVAILABLE). callbacks: {} security: - authorization: [] components: schemas: V2_Generate_pix_async_create_params: description: >- Body params to pay a Pix key or brcode without checking it first: Trio checks it while it processes the payment. example: amount: 100 bank_account_id: 1a760495-cb95-4023-96e8-0cff5776b010 counterparty: bank_accounts: - branch: '0001' digit: '1' ispb: '12345678' number: '123456' type: checking tax_number: '52998224725' description: description external_id: external_id 1 reference: john.doe@example.com type: key properties: amount: description: Amount in cents maximum: 100000000000 minimum: 1 type: integer x-struct: null x-validate: null bank_account_id: description: Bank account that pays the Pix format: uuid type: string x-struct: null x-validate: null counterparty: description: >- Receiver the payer expects. When given, the payment is refused if the key or brcode belongs to another tax number, or to none of the bank accounts listed properties: bank_accounts: description: Bank accounts the key or brcode may point to (up to 10) items: properties: branch: description: Branch type: string x-struct: null x-validate: null digit: description: Account digit type: string x-struct: null x-validate: null ispb: description: ISPB of the bank type: string x-struct: null x-validate: null number: description: Account number type: string x-struct: null x-validate: null type: description: Account type enum: - checking - payment - salary - savings type: string x-struct: null x-validate: null required: - ispb - number type: object x-struct: null x-validate: null type: array x-struct: null x-validate: null tax_number: description: CPF or CNPJ type: string x-struct: null x-validate: null type: object x-struct: null x-validate: null description: description: Pix description type: string x-struct: null x-validate: null external_id: description: External ID type: string x-struct: null x-validate: null fee: description: Fee nullable: true type: integer x-struct: null x-validate: null reference: description: The Pix key, or the copy and paste code of the brcode type: string x-struct: null x-validate: null type: description: 'What the Pix pays: a key or a brcode' enum: - key - brcode type: string x-struct: null x-validate: null required: - amount - type - reference - bank_account_id title: V2 Generate pix async create params type: object x-struct: >- Elixir.TrioFoundationWeb.Schemas.Banking.V2.Cashout.GeneratePix.CreateAsyncParams x-validate: null V2_Generate_pix_response: description: >- The Pix payment requested. When the organization requires approval for Pix payments, `out_document_id` is null until the approval request is approved, and `approval_request_id` identifies that request; otherwise `approval_request_id` is null. example: data: approval_request_id: null out_document_id: 41234d60-f6a9-4c9c-8cc3-5769ce9bbea2 properties: data: properties: approval_request_id: description: ID of the approval request, when the payment needs approval format: uuid nullable: true type: string x-struct: null x-validate: null out_document_id: description: ID of the out document created for the payment format: uuid nullable: true type: string x-struct: null x-validate: null required: - out_document_id - approval_request_id type: object x-struct: null x-validate: null required: - data title: V2 Generate pix response type: object x-struct: Elixir.TrioFoundationWeb.Schemas.Banking.V2.Cashout.GeneratePix.Response x-validate: null V2_error: example: error: error_code: INVALID_PARAMETER error_message: 'Invalid parameters: /amount: Invalid integer. Got: string' errors: - field: /amount message: 'Invalid integer. Got: string' properties: error: properties: error_code: description: >- Stable UPPER_SNAKE identifier of the error, for programs and logs. Branch on this, not on the message. type: string x-struct: null x-validate: null error_message: description: Human readable explanation of the error. type: string x-struct: null x-validate: null errors: description: >- Only on INVALID_PARAMETER for a request outside the operation's schema: one entry per offending field. items: properties: field: description: JSON pointer to the field, e.g. /amount. type: string x-struct: null x-validate: null message: description: What is wrong with it. type: string x-struct: null x-validate: null required: - field - message type: object x-struct: null x-validate: null type: array x-struct: null x-validate: null required: - error_code - error_message type: object x-struct: null x-validate: null required: - error title: V2 error type: object x-struct: Elixir.TrioFoundationWeb.Schemas.HTTP.V2Error x-validate: null securitySchemes: authorization: scheme: basic type: http ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.