> ## 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. # Get a transaction validation record by ID > Use this endpoint to retrieve a transaction validation record by its unique identifier. Useful for auditing and debugging validation decisions. ## OpenAPI ````yaml /en/openapi/v3-current/tracer.yaml get /v1/validations/{id} openapi: 3.1.0 info: title: Midaz Tracer API description: >- Reference for Midaz Tracer transaction validation, fraud rules, spending limits, reservations, and audit events. version: 4.0.0 servers: - url: https://tracer.sandbox.lerian.net security: [] tags: - name: Validations API - name: Rules API - name: Limits API - name: Reservations API - name: Audit Events API paths: /v1/validations/{id}: get: tags: - Validations API summary: Get a transaction validation record by ID description: >- Use this endpoint to retrieve a transaction validation record by its unique identifier. Useful for auditing and debugging validation decisions. operationId: getValidation parameters: - description: Transaction Validation ID (UUID) in: path name: id required: true schema: description: Transaction Validation ID (UUID) type: string responses: '200': content: application/json: schema: $ref: '#/components/schemas/TransactionValidation' description: OK default: content: application/problem+json: schema: $ref: '#/components/schemas/Error' description: Error security: - BearerAuth: [] - ApiKeyAuth: [] components: schemas: TransactionValidation: additionalProperties: false properties: account: $ref: '#/components/schemas/AccountContext' amount: examples: - '100.00' type: string asset: examples: - USD type: string createdAt: examples: - '2021-01-01T00:00:00Z' format: date-time type: string decision: examples: - ALLOW type: string evaluatedRuleIds: items: format: uuid type: string type: - array - 'null' limitUsageDetails: items: $ref: '#/components/schemas/LimitUsageDetail' type: - array - 'null' matchedRuleIds: items: format: uuid type: string type: - array - 'null' merchant: $ref: '#/components/schemas/MerchantContext' metadata: additionalProperties: {} type: object portfolio: $ref: '#/components/schemas/PortfolioContext' processingTimeMs: examples: - 12.5 format: double type: number reason: examples: - >- Transaction denied by rule 'Block high-value checking transactions' type: string requestId: examples: - 00000000-0000-0000-0000-000000000000 format: uuid type: string segment: $ref: '#/components/schemas/SegmentContext' subType: examples: - purchase maxLength: 50 type: string totalRulesLoaded: examples: - 42 format: int64 type: integer transactionTimestamp: examples: - '2021-01-01T00:00:00Z' format: date-time type: string transactionType: examples: - CARD type: string truncated: examples: - false type: boolean validationId: examples: - 00000000-0000-0000-0000-000000000000 format: uuid type: string required: - validationId - requestId - transactionType - amount - asset - transactionTimestamp - account - limitUsageDetails - processingTimeMs - createdAt - decision - matchedRuleIds - evaluatedRuleIds - reason - totalRulesLoaded - truncated type: object Error: additionalProperties: false properties: code: description: >- Stable, machine-readable domain error code scoped to the emitting service (format: -NNNN). examples: - ERR-0001 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 AccountContext: additionalProperties: false properties: accountId: examples: - 00000000-0000-0000-0000-000000000000 format: uuid type: string metadata: additionalProperties: {} type: object status: examples: - active type: string type: examples: - checking type: string required: - accountId - type - status type: object LimitUsageDetail: additionalProperties: false properties: attemptedAmount: examples: - '100.00' type: string currentUsage: examples: - '500.00' type: string exceeded: type: boolean limitAmount: examples: - '1000.00' type: string limitId: examples: - 00000000-0000-0000-0000-000000000000 format: uuid type: string period: examples: - DAILY type: string scope: examples: - account:00000000-0000-0000-0000-000000000000 type: string skipReason: examples: - outside_time_window type: string skipped: type: boolean required: - limitId - limitAmount - scope - period - currentUsage - attemptedAmount - exceeded type: object MerchantContext: additionalProperties: false properties: category: examples: - '5411' type: string country: examples: - US type: string merchantId: examples: - 00000000-0000-0000-0000-000000000000 format: uuid type: string metadata: additionalProperties: {} type: object name: examples: - Acme Store type: string required: - merchantId - name - category - country type: object PortfolioContext: additionalProperties: false properties: metadata: additionalProperties: {} type: object name: examples: - growth type: string portfolioId: examples: - 00000000-0000-0000-0000-000000000000 format: uuid type: string required: - portfolioId type: object SegmentContext: additionalProperties: false properties: metadata: additionalProperties: {} type: object name: examples: - retail type: string segmentId: examples: - 00000000-0000-0000-0000-000000000000 format: uuid type: string required: - segmentId 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 ApiKeyAuth: description: Static API key presented in the X-API-Key header. in: header name: X-API-Key type: apiKey ````