> ## 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. # Read the B3 instrument code of an averbado contract > Reads the B3 instrument code informed for an averbado contract. A contract that exists and holds no code yet is 404 REGISTRO_B3_NAO_INFORMADO; a contract this tenant does not hold is 404 REGISTRO_B3_CONTRATO_NAO_ENCONTRADO. ## OpenAPI ````yaml /en/openapi/v3-current/consignado.yaml get /v1/consignado/contracts/{numero_contrato}/registro-b3 openapi: 3.1.0 info: contact: email: contact@lerian.studio name: Lerian Studio url: https://lerian.studio description: >- OpenAPI 3.1 surface for Lerian Consignado — Dataprev. The API covers tenant credentials and rail configuration, worker margin, loan auctions and bids, contract registration and lifecycle, B3 instrument codes, disbursement confirmation, portability, refinancing, renegotiation, FGTS guarantees, reconciliation, funds, assignments, usage, throughput, and event subscriptions. license: name: Lerian Studio General License title: Lerian Consignado API version: v1.0.0 servers: - url: https://br-consignado-gw.sandbox.lerian.net security: - BearerAuth: [] tags: - description: >- Per-tenant Dataprev credential custody and public rail configuration (upload, status, rotation, revoke, requester code, and worker portal base URL) name: Credentials - description: >- Tenant-scoped consignado gateway usage: priced billable-unit aggregation per competência name: Consignado Usage - description: >- Per-tenant streaming-hub subscription control-plane (list, create, get, rotate, revoke, and test delivery) name: Subscriptions - description: >- Dataprev payroll-rail surface: FGTS balance and authorization reads, the FGTS guarantee execution, contract suspension, reactivation and term changes, the rail's own contract documents, and the on-demand reads of leilão solicitações, escriturações, repasses and employment terminations name: Consignado Rail - description: >- Synchronous rail command surface: the operations a bancarizador without the lender drives over HTTP. name: Consignado Rail Commands - description: >- Gateway-owned disbursement confirmation: a client bank recording money it has ALREADY paid to a worker. It crosses no government boundary and proxies no Dataprev operation. name: Consignado Disbursement - description: >- Per-tenant self-service outbound Dataprev rail throughput: read and set this tenant's own requests-per-second, including a deliberate pause at zero name: Consignado Throughput - description: >- The B3 instrument code (Código IF) of an averbado contract: informed once by the bancarizador after B3 registers the CCB, and read back name: Consignado Registro B3 paths: /v1/consignado/contracts/{numero_contrato}/registro-b3: get: tags: - Consignado Registro B3 summary: Read the B3 instrument code of an averbado contract description: >- Reads the B3 instrument code informed for an averbado contract. A contract that exists and holds no code yet is 404 REGISTRO_B3_NAO_INFORMADO; a contract this tenant does not hold is 404 REGISTRO_B3_CONTRATO_NAO_ENCONTRADO. operationId: getConsignadoRegistroB3 parameters: - description: Client contract identity within the authenticated tenant. in: path name: numero_contrato required: true schema: description: Client contract identity within the authenticated tenant. examples: - 99999999999AN1 minLength: 1 type: string responses: '200': content: application/json: schema: $ref: '#/components/schemas/RegistroB3Response' description: OK '401': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Unauthorized '403': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Forbidden '404': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Not Found '422': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Unprocessable Entity '429': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Too Many Requests '500': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Internal Server Error '501': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Not Implemented '503': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Service Unavailable security: - BearerAuth: [] components: schemas: RegistroB3Response: additionalProperties: false properties: numeroCcb: description: >- Read only: the CCB number the contract's cadastro named (the documentation's block when it sent one, else the averbação's), or numeroContrato when it named none. examples: - DIDI2090 type: string numeroContrato: description: The contract the registro belongs to. examples: - 99999999999AN1 type: string registradoEm: description: >- When the registro was durably stored, strict RFC 3339 UTC. A replay returns the original instant. examples: - '2026-10-08T14:03:11Z' type: string registroB3: $ref: '#/components/schemas/RegistroB3Body' description: The registro B3 as stored. required: - numeroContrato - numeroCcb - registroB3 - registradoEm type: object Detail: additionalProperties: true properties: code: description: >- Stable, machine-readable product error code. One of the enumerated values: the CLT-NNNN catalog codes for the general refusal classes; the named command conflicts, which a client branches on to tell one conflict from another; the four terminal refusals IDEMPOTENCY_STATE_UNRECOGNISED, IDEMPOTENCY_RECORD_UNREADABLE, IDEMPOTENCY_OUTCOME_UNRECORDED and IDEMPOTENCY_REPLAY_UNAVAILABLE (422), which tell the client to reconcile the original request and never retry under a new key; IDEMPOTENCY_KEY_REUSE (422): the key is spent on a different request, so send a new key; the codes a single surface answers, named after it (FUNDO_*, CESSAO_*, REGISTRO_B3_*, ...); and the 5xx codes naming an upstream (DATAPREV_*, STREAMING_HUB_*, TENANT_MANAGER_*, the Access Manager's AUT-0033 and AUT-1021) or an unknown outcome, whose detail is client-readable. enum: - AUT-0033 - AUT-1021 - AVERBACAO_ARTIFACT_CONFLICT - AVERBACAO_CLAIM_CONFLICT - AVERBACAO_DOCUMENTATION_CONFLICT - AVERBACAO_EXCLUDED - AVERBACAO_HELD_BY_ANOTHER_SENDER - AVERBACAO_NOT_ACCEPTED - AVERBACAO_OPERATIONS_INTERNAL - AVERBACAO_OPERATIONS_INVALID_CURSOR - AVERBACAO_OPERATIONS_INVALID_QUERY - AVERBACAO_OPERATIONS_UNKNOWN_STATUS - AVERBACAO_OPERATION_NOT_FOUND - BID_NO_PROPOSTA_LEFT - BID_ORIGINADOR_INACTIVE - BID_ORIGINADOR_UNKNOWN - BID_PROPOSAL_SLOT_TAKEN - BID_SOLICITACAO_TAKEN - BID_SOLICITACAO_UNKNOWN - BID_SUBMISSIONS_INTERNAL - BID_SUBMISSIONS_INVALID_CURSOR - BID_SUBMISSIONS_UNKNOWN_SITUATION - BOOKING_FIELD_INVALID - CEDED_CREDIT_INTERNAL - CEDED_CREDIT_NO_FUND_ENTITLEMENT - CEDED_CREDIT_UNAVAILABLE - CESSAO_CEDED_TO_OTHER_FUND - CESSAO_CREDIT_NOT_ACCEPTED - CESSAO_CREDIT_NOT_FOUND - CESSAO_CREDIT_NOT_WITNESSED - CESSAO_CREDIT_PENDING - CESSAO_FUNDO_NOT_ATTRIBUTED - CESSAO_INTERNAL - CESSAO_INVALID_INPUT - CESSAO_UNAVAILABLE - CESSAO_UNWIRED - CLT-0001 - CLT-0002 - CLT-0003 - CLT-0004 - CLT-0005 - CLT-0006 - CLT-0007 - CLT-0008 - CLT-0009 - CLT-0010 - CLT-0011 - CONTRACT_ALREADY_REGISTERED - CONTRACT_NOT_BOOKABLE - CURSOR_EXPIRED - CURSOR_FENCE_MISMATCH - DATAPREV_CREDENTIAL_REJECTED - DATAPREV_CREDENTIAL_REQUIRED - DATAPREV_CREDENTIAL_REVOKED - DATAPREV_INVALID_RESPONSE - DATAPREV_TIMEOUT - DATAPREV_UNAVAILABLE - DECLARED_DATES_OUT_OF_ORDER - DECLARED_TERMS_INCONSISTENT - DISBURSEMENT_CONFIRMATIONS_INTERNAL - DISBURSEMENT_CONFIRMATIONS_INVALID_CURSOR - DISBURSEMENT_PAYMENT_CONFLICT - EVENT_DELIVERY_INTERNAL - EXCLUSION_AUTHORITY_CONFLICT - EXCLUSION_BOOKING_IDENTITY_INCOMPLETE - EXCLUSION_DOCUMENTATION_UNDERWAY - EXCLUSION_OPERATIONS_INTERNAL - EXCLUSION_OPERATIONS_INVALID_CURSOR - EXCLUSION_OPERATIONS_INVALID_QUERY - EXCLUSION_OPERATIONS_UNKNOWN_STATUS - EXCLUSION_OPERATION_NOT_FOUND - FGTS_EXECUTION_ALREADY_REFUSED - FGTS_EXECUTION_CONTRACT_TAKEN - FGTS_EXECUTION_OUTCOME_UNRESOLVED - FGTS_EXECUTION_PAYLOAD_MISMATCH - FIRST_DEDUCTION_BEFORE_COMPETENCIA - FORMALIZATION_DEADLINE_EXCEEDED - FUNDO_CNPJ_CONFLICT - FUNDO_DEACTIVATED - FUNDO_INTERNAL - FUNDO_INVALID_ID - FUNDO_INVALID_INPUT - FUNDO_NOT_FOUND - FUNDO_NOT_REGISTERED - FUNDO_REF_CONFLICT - FUNDO_UNAVAILABLE - IDEMPOTENCY_KEY_REUSE - IDEMPOTENCY_OUTCOME_UNRECORDED - IDEMPOTENCY_RECORD_UNREADABLE - IDEMPOTENCY_REPLAY_UNAVAILABLE - IDEMPOTENCY_STATE_UNRECOGNISED - INVALID_CONTRACT_NUMBER - INVALID_CURSOR - INVALID_EVENTS_INVALID_CURSOR - INVALID_PAGE_LIMIT - INVENTORY_UNAVAILABLE - MARGIN_SNAPSHOT_INCONSISTENT - ORIGINADOR_INTERNAL - ORIGINADOR_INVALID_ID - ORIGINADOR_INVALID_INPUT - ORIGINADOR_NOT_FOUND - ORIGINADOR_REF_CONFLICT - ORIGINADOR_UNAVAILABLE - OUTCOME_UNKNOWN - PORTABILIDADE_WINDOW_EXPIRED - RAIL_COMMANDS_INTERNAL - RAIL_COMMANDS_INVALID_CURSOR - RAIL_COMMANDS_TENANT_REQUIRED - RAIL_COMMANDS_UNKNOWN_FILTER - RAIL_COMMAND_ALREADY_REFUSED - RAIL_COMMAND_ANSWER_NOT_RETAINED - RAIL_COMMAND_CLAIM_CONFLICT - RAIL_COMMAND_OUTCOME_UNRESOLVED - RAIL_COMMAND_PAYLOAD_MISMATCH - REGISTRATION_NOT_FOUND - REGISTRO_B3_AVERBACAO_NAO_CONFIRMADA - REGISTRO_B3_CONTRATO_NAO_ENCONTRADO - REGISTRO_B3_DATA_REGISTRO_INVALIDA - REGISTRO_B3_INTERNAL - REGISTRO_B3_JA_INFORMADO - REGISTRO_B3_NAO_INFORMADO - REGISTRO_B3_UNAVAILABLE - REGISTRO_B3_UNWIRED - REPASSE_EXPECTATIONS_INTERNAL - REPASSE_EXPECTATIONS_INVALID_CURSOR - REPASSE_EXPECTATIONS_UNKNOWN_SITUATION - REVERSAO_WINDOW_EXPIRED - SALDO_DEVEDOR_INTERNAL - SALDO_DEVEDOR_INVALID_CURSOR - SALDO_DEVEDOR_NOT_FOUND - SALDO_DEVEDOR_TENANT_REQUIRED - SALDO_DEVEDOR_UNAVAILABLE - STREAMING_HUB_TIMEOUT - STREAMING_HUB_UNAVAILABLE - TENANT_MANAGER_TIMEOUT - TENANT_MANAGER_UNAVAILABLE - THROUGHPUT_HISTORY_INTERNAL - THROUGHPUT_HISTORY_INVALID_CURSOR - THROUGHPUT_HISTORY_TENANT_REQUIRED - THROUGHPUT_HISTORY_UNAVAILABLE - THROUGH_REQUIRED - UNKNOWN_QUERY_PARAMETER type: string detail: description: >- A human-readable explanation specific to this occurrence of the problem. examples: - Property foo is required but is missing. type: string errors: description: Optional list of individual error details items: $ref: '#/components/schemas/ErrorDetail' type: - array - 'null' instance: description: >- A URI reference that identifies the specific occurrence of the problem. examples: - https://example.com/error-log/abc123 format: uri type: string status: description: HTTP status code examples: - 400 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. examples: - Bad Request type: string type: default: about:blank description: A URI reference to human-readable documentation for the error. examples: - https://example.com/errors/example format: uri type: string upstream: $ref: '#/components/schemas/Upstream' description: >- RFC 9457 extension member: the error a proxied third-party provider reported. Absent unless the emitting service explicitly surfaced one. type: object RegistroB3Body: additionalProperties: false properties: codigoInstrumentoFinanceiro: description: >- The code B3 generated when it accepted the CCB registration (X(14)). Stored as received and compared byte for byte: no trim, no case fold. examples: - CCB0000ABCD12 pattern: ^[A-Za-z0-9]{1,14}$ type: string dataRegistro: description: >- The civil date B3 accepted the registration on, YYYY-MM-DD. Not in the future and not before the averbação, both in Brasília time. examples: - '2026-10-08' format: date type: string required: - codigoInstrumentoFinanceiro 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 Upstream: additionalProperties: false properties: code: description: The upstream provider's own error code, verbatim. examples: - E4001 type: string message: description: >- The upstream provider's own error message, verbatim (bounded, never its raw response body). examples: - account not found at provider type: string type: object securitySchemes: BearerAuth: bearerFormat: JWT description: JWT bearer token issued by the identity provider. scheme: bearer type: http ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.