> ## 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. # Orchestrate Core operation > Resolves participant routing, consumes quota when indirect, records settlement tracking, attributes fees/commissions, persists saga state, and emits Core domain events. ## OpenAPI ````yaml /pt/openapi/v3-current/spi-core.yaml post /api/v1/core/operations/ openapi: 3.1.0 info: contact: email: contact@lerian.studio name: Lerian Studio url: https://lerian.studio description: >- Core service of Lerian SPI: PIX participant lifecycle by ISPB, payment routing resolution, and cross-context Core operation orchestration over the Brazilian Instant Payment System (SPI/Pix). license: name: Lerian Studio General License title: Lerian SPI — Core API version: 1.0.0 servers: - url: https://api.example.com description: >- Replace the example host with the URL provided during environment onboarding. security: [] tags: - description: >- PIX participant lifecycle: register, list, retrieve, suspend, activate, and offboard by ISPB. name: Participants - description: Payment routing resolution across participants. name: Routing - description: Core operation orchestration across the rail's bounded contexts. name: Operations paths: /api/v1/core/operations/: post: tags: - Operations summary: Orchestrate Core operation description: >- Resolves participant routing, consumes quota when indirect, records settlement tracking, attributes fees/commissions, persists saga state, and emits Core domain events. operationId: orchestrateOperation parameters: - description: Idempotency key, max 255 characters in: header name: X-Idempotency required: true schema: description: Idempotency key, max 255 characters type: string requestBody: content: application/json: schema: $ref: '#/components/schemas/OrchestrateOperationRequest' required: true responses: '200': content: application/json: schema: $ref: '#/components/schemas/OrchestrateOperationResponse' description: OK '404': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Not Found '409': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Conflict '422': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Unprocessable Entity '500': content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Internal Server Error default: content: application/problem+json: schema: $ref: '#/components/schemas/Detail' description: Error security: - BearerAuth: [] components: schemas: OrchestrateOperationRequest: additionalProperties: false properties: amount: description: >- Transaction amount in centavos (BRL minor units); must be greater than zero. examples: - 15000 format: int64 minimum: 1 type: integer commissionAmount: description: Commission amount in centavos (BRL minor units); zero or positive. examples: - 10 format: int64 minimum: 0 type: integer commissionRecipientISPB: description: >- ISPB of the participant receiving the commission (8 digits or uppercase letters); optional. examples: - '87654321' type: string endToEndId: description: >- PIX EndToEndID of the transaction, 32 characters, shaped as BACEN's EndToEndIdType (E, then the 8-character participant segment, then YYYYMMDDHHMM, then an 11-character unique tail). The date and minute components are additionally parsed as a real instant, and the participant segment must equal senderISPB, before the operation is accepted. examples: - E12345678202604281234ABCDE123456 pattern: ^E[0-9A-Z]{8}[0-9]{12}[a-zA-Z0-9]{11}$ type: string feeAmount: description: Fee amount in centavos (BRL minor units); zero or positive. examples: - 25 format: int64 minimum: 0 type: integer feePayerISPB: description: >- ISPB of the participant charged the fee (8 digits or uppercase letters); optional. examples: - '12345678' type: string operationId: description: >- Caller-assigned idempotency/business identifier for the operation. Lerian's own bound, not BACEN's: 128 characters is what the orchestration command enforces and what core_sagas.operation_id stores. examples: - op-20260428-0001 maxLength: 128 minLength: 1 type: string senderISPB: description: >- ISPB of the sending participant, exactly 8 digits or uppercase letters (BACEN ISPBType [0-9A-Z]{8}). examples: - '12345678' pattern: ^[0-9A-Z]{8}$ type: string required: - operationId - endToEndId - senderISPB - amount - feeAmount - commissionAmount type: object OrchestrateOperationResponse: additionalProperties: false properties: commissionAmount: description: Commission amount applied, in centavos (BRL minor units). examples: - 10 format: int64 type: integer commissionRecipientISPB: description: >- ISPB of the participant receiving the commission (8 digits or uppercase letters); omitted when no fee attribution applies. examples: - '87654321' type: string feeAmount: description: Fee amount applied, in centavos (BRL minor units). examples: - 25 format: int64 type: integer feeAttributionId: description: >- UUID of the fee attribution record; empty when no fee attribution was created. examples: - 550e8400-e29b-41d4-a716-446655440000 type: string feePayerISPB: description: >- ISPB of the participant charged the fee (8 digits or uppercase letters); omitted when no fee attribution applies. examples: - '12345678' type: string operationId: description: Caller-assigned identifier echoed from the request. examples: - op-20260428-0001 type: string routingDecision: $ref: '#/components/schemas/OperationRoutingDecisionResponse' description: >- Routing snapshot showing how the operation was directed through sponsor/indirect participants. sagaId: description: UUID of the orchestration saga coordinating the operation. examples: - 550e8400-e29b-41d4-a716-446655440000 type: string sagaStatus: description: Current state of the orchestration saga (e.g. COMPLETED). examples: - COMPLETED type: string settlementId: description: UUID of the settlement created for this operation. examples: - 550e8400-e29b-41d4-a716-446655440000 type: string settlementStatus: description: Current state of the settlement (e.g. PENDING). examples: - PENDING type: string required: - sagaId - operationId - sagaStatus - settlementId - settlementStatus - feeAttributionId - routingDecision - feeAmount - commissionAmount type: object Detail: additionalProperties: false properties: code: description: >- Stable, machine-readable domain error code scoped to the emitting service (format: -NNNN). type: string correlationId: description: Request-scoped correlation identifier echoing X-Request-ID. examples: - req-7a3f9c2e 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. required: - correlationId type: object OperationRoutingDecisionResponse: additionalProperties: false properties: indirectISPB: description: >- ISPB of the indirect participant being routed through the sponsor (8 digits or uppercase letters); empty for direct participants. examples: - '12345678' type: string isDirect: description: >- True when the sender connects directly to BACEN; false when routed through a sponsor. examples: - false type: boolean quotaConsumed: description: >- Amount in centavos (BRL minor units) consumed from the indirect participant's quota for this operation. examples: - 15000 format: int64 type: integer sponsorISPB: description: >- ISPB of the sponsor participant routing the payment (8 digits or uppercase letters); empty for direct participants. examples: - '87654321' type: string required: - quotaConsumed - isDirect 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.