> ## Documentation Index > Fetch the complete documentation index at: https://docs.lerian.studio/llms.txt > Use this file to discover all available pages before exploring further. # Update a CobV (due-date) composite Pix Automático QR code > Updates a previously generated CobV (cobrança com vencimento) composite Pix QR code, keyed by its document id (idDocumento). The response carries the upstream-computed revision (revisao). ## OpenAPI ````yaml en/openapi/v3-current/pix.yaml PUT /v1/pix-automatico/composite/cobv/{id} openapi: 3.0.3 info: title: Plugin BR Pix Direct - Complete API description: | Complete API for Brazilian Pix instant payment system including Pix key dictionary operations, QR code generation/decoding, transactions and transaction limits. version: 1.0.0 servers: - url: https://plugin-pix-direct.api.lerian.net - url: https://plugin-pix-direct-qrcode.api.lerian.net security: - bearerAuth: [] paths: /v1/pix-automatico/composite/cobv/{id}: put: tags: - Pix Automático API summary: Update a CobV (due-date) composite Pix Automático QR code description: >- Updates a previously generated CobV (cobrança com vencimento) composite Pix QR code, keyed by its document id (idDocumento). The response carries the upstream-computed revision (revisao). parameters: - description: The recurrence/charge document id (idDocumento, GUID). in: path name: id required: true schema: description: The recurrence/charge document id (idDocumento, GUID). type: string requestBody: content: application/json: schema: $ref: '#/components/schemas/UpdateCobvCompositeBody' required: true responses: '200': content: application/json: schema: $ref: '#/components/schemas/CompositeUpdateResponse' description: OK default: content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Error components: schemas: UpdateCobvCompositeBody: additionalProperties: false properties: certificateIspb: description: Indirect-PSP certificate ISPB (ispbCertificadoJws, string). type: string city: description: Merchant city (cidade). type: string daysAfterDue: description: Days after the due date the charge can still be paid (diasAposVenc). format: int64 type: integer debtorName: description: Updated debtor name (dadosRecorrencia.devedor.nome). type: string description: description: Optional additional-data entries (dadosAdicionais). items: $ref: '#/components/schemas/CompositeAdditionalDataBody' type: array nullable: true discount: description: Discount in reais (desconto; omit/0 to skip). format: double type: number dueDate: description: Due date for payment (dtVenc; aaaa-mm-dd). type: string finalAmount: description: Final charge amount in reais (valorFinal). format: double type: number fine: description: Fine in reais (multa; omit/0 to skip). format: double type: number interest: description: Interest in reais (juros; omit/0 to skip). format: double type: number jwkUrl: description: JWK Set URL (urlJwk; no scheme). type: string key: description: The recipient Pix key the composite QR pays into. type: string originalAmount: description: Original charge amount in reais (valorOriginal). format: double type: number payer: $ref: '#/components/schemas/CompositePayerBody' paymentPayloadUrl: description: CobV JWS host URL (urlPayloadJson; no scheme). type: string rebate: description: Rebate in reais (abatimento; omit/0 to skip). format: double type: number recipientName: description: Recipient/beneficiary name (nomeRecebedor). type: string recipientStreet: description: Recipient street (logradouroRecebedor). type: string recurrencePayloadUrl: description: Recurrence JWS host URL (urlPayloadJsonRec; no scheme). type: string recurrenceStatus: description: Recurrence stRecorrencia transition (0..4). format: int64 type: integer startDate: description: Updated recurrence first payment date (dtInicialRecorrencia). type: string state: description: Recipient state (uf). type: string status: description: >- Charge situation (0=Active,1=Completed,2=Removed by recipient,3=Removed by PSP). format: int64 type: integer txId: description: Conciliation id (idConciliacaoRecebedor). type: string zipCode: description: Recipient postal code (cep). type: string required: - key - recipientName - recipientStreet - city - state - zipCode - finalAmount - dueDate - daysAfterDue - status - recurrenceStatus - txId - paymentPayloadUrl type: object CompositeUpdateResponse: additionalProperties: false properties: documentId: description: The recurrence/charge document id (idDocumento, GUID). type: string payloadJws: description: The signed payment JWS (payloadJws; dynamic + cobv). type: string qrCode: description: >- The regenerated EMV composite-QR payload (base64-decoded, ready to render). type: string recurrencePayload: description: The signed recurrence JWS (payloadJwsRecorrencia). type: string revision: description: >- The upstream-computed charge revision (revisao; dynamic + cobv updates only). format: int64 type: integer required: - qrCode type: object Detail: additionalProperties: false properties: code: description: >- Stable, machine-readable domain error code scoped to the emitting service (format: -NNNN). type: string detail: description: >- A human-readable explanation specific to this occurrence of the problem. type: string errors: description: Optional list of individual error details items: $ref: '#/components/schemas/ErrorDetail' type: array nullable: true instance: description: >- A URI reference that identifies the specific occurrence of the problem. format: uri type: string status: description: HTTP status code format: int64 type: integer title: description: >- A short, human-readable summary of the problem type. This value should not change between occurrences of the error. type: string type: default: about:blank description: A URI reference to human-readable documentation for the error. format: uri type: string type: object CompositeAdditionalDataBody: additionalProperties: false properties: name: description: The additional-data entry name. type: string value: description: The additional-data entry value. type: string required: - name - value type: object CompositePayerBody: additionalProperties: false properties: document: description: Payer document (CPF/CNPJ, string). type: string name: description: Payer name (only forwarded with a document). type: string request: description: Free-text request to the payer (solicitacaoPagador). type: string type: object ErrorDetail: additionalProperties: false properties: location: description: >- Where the error occurred, e.g. 'body.items[3].tags' or 'path.thing-id' type: string message: description: Error message text type: string value: description: The value at the given location type: object securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: JWT description: > JWT Bearer token authentication. Obtain token from `/v1/login/oauth/access_token` endpoint using client credentials (clientId and clientSecret). Include token in Authorization header: `Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...` Token expires after 3600 seconds (1 hour). ````