> ## 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. # Ignore a transaction > Use this endpoint to mark a transaction as "Do Not Match" with a required reason. Only UNMATCHED transactions can be ignored. ## OpenAPI ````yaml /en/openapi/v3-current/matcher.yaml post /v1/imports/contexts/{contextId}/transactions/{transactionId}/ignore openapi: 3.1.0 info: title: Matcher APIs description: >- Complete API reference for the Matcher reconciliation engine, providing automated transaction matching between Midaz Ledger and external systems. version: v2.1.1 license: name: Elastic License 2.0 url: https://www.elastic.co/licensing/elastic-license servers: - url: https://matcher.sandbox.lerian.net security: [] paths: /v1/imports/contexts/{contextId}/transactions/{transactionId}/ignore: post: tags: - Ingestion summary: Ignore a transaction description: >- Use this endpoint to mark a transaction as "Do Not Match" with a required reason. Only UNMATCHED transactions can be ignored. operationId: ignoreTransaction parameters: - description: A unique identifier for tracing the request across services. in: header name: X-Request-Id schema: type: string - description: The unique identifier of the reconciliation context. in: path name: contextId required: true schema: type: string format: uuid - description: The unique identifier of the transaction. in: path name: transactionId required: true schema: type: string - $ref: '#/components/parameters/XIdempotencyKey' requestBody: content: application/json: schema: $ref: '#/components/schemas/IgnoreTransactionRequest' description: Ignore transaction request required: true responses: '200': description: >- Indicates that the request was successful and the response contains the expected data. The response includes the `X-Idempotency-Replayed` header. If the value is false, the request was just processed. If the value is true, the response is a replay of a previously processed request. See [Retries and idempotency](/en/reference/retries-idempotency) for more details. content: application/json: schema: $ref: '#/components/schemas/IgnoreTransactionResponse' headers: X-Idempotency-Replayed: $ref: '#/components/headers/XIdempotencyReplayed' '400': description: The request contains invalid parameters or payload. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '401': description: The request lacks valid authentication credentials. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '403': description: You do not have permission to access this resource. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '404': description: The requested resource was not found. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '409': description: Transaction already matched/ignored or idempotency conflict content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '500': description: An unexpected error occurred on the server. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' security: - BearerAuth: [] components: parameters: XIdempotencyKey: name: X-Idempotency-Key in: header required: false description: >- Optional idempotency key for safe retries. Also accepts `Idempotency-Key` as an alternative header name. If the same key is sent again and the original request was already processed, the cached response is returned with `X-Idempotency-Replayed: true`. See [Retries and idempotency](/en/reference/retries-idempotency) for details. schema: type: string schemas: IgnoreTransactionRequest: description: Ignore transaction request properties: reason: description: Reason for ignoring the transaction example: Duplicate entry - already processed manually type: string required: - reason type: object IgnoreTransactionResponse: description: Ignore transaction response properties: amount: description: Transaction amount as string example: '1000.50' type: string contextId: description: Context ID this transaction belongs to example: 019c96a0-10a0-72d2-9fb0-2b7de8093182 type: string createdAt: description: Creation timestamp in RFC3339 format example: '2025-01-15T10:30:00.000Z' type: string currency: description: Currency code example: BRL type: string date: description: Transaction date in RFC3339 format example: '2025-01-15T00:00:00.000Z' type: string description: description: Description of the transaction example: Wire transfer from ABC Corp type: string externalId: description: External identifier from the source system example: TXN-12345 type: string extractionStatus: description: Extraction status enum: - PENDING - EXTRACTED - FAILED example: EXTRACTED type: string id: description: Unique identifier for the transaction example: 019c96a0-10ce-75fc-a273-dc799079a99c type: string jobId: description: Job ID that ingested this transaction example: 019c96a0-10ce-75fc-a273-dc799079a99c type: string sourceId: description: Source ID this transaction belongs to example: 019c96a0-108c-7a74-8e31-3789daffe1ed type: string status: description: Current matching status enum: - PENDING - MATCHED - UNMATCHED example: PENDING type: string type: object ErrorResponse: description: Standard error response returned by all API endpoints type: object required: - code - title - message properties: code: type: string description: HTTP status code as a string. example: '404' title: type: string description: Error type identifier. example: not_found message: type: string description: Human-readable error message with details. example: context not found error: type: string description: Deprecated. Error message for backward compatibility. deprecated: true details: description: Additional error context as key-value pairs additionalProperties: {} type: object headers: XIdempotencyReplayed: description: >- Indicates whether this response was served from the idempotency cache. When `true`, the response is a replay of the original request with the same idempotency key. See [Retries and idempotency](/en/reference/retries-idempotency) for details. schema: type: boolean example: false securitySchemes: BearerAuth: type: http scheme: bearer bearerFormat: JWT description: 'Bearer token authentication (format: "Bearer {token}")' ````