> ## 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. # Reject an AI match-rule suggestion (discard it) > Rejects a PENDING_REVIEW suggestion — nothing is created. The rejecting principal is recorded for audit. Tenant from the JWT, context from the path. ## OpenAPI ````yaml /pt/openapi/v3-current/matcher.yaml post /v1/matching/contexts/{contextId}/rule-suggestions/{suggestionId}/reject 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: 6.1.0 license: name: Lerian Studio General License servers: - url: https://matcher.sandbox.lerian.net security: [] paths: /v1/matching/contexts/{contextId}/rule-suggestions/{suggestionId}/reject: post: tags: - Matching summary: Reject an AI match-rule suggestion (discard it) description: >- Rejects a PENDING_REVIEW suggestion — nothing is created. The rejecting principal is recorded for audit. Tenant from the JWT, context from the path. operationId: rejectMatchRuleSuggestion parameters: - description: Context ID in: path name: contextId required: true schema: description: Context ID format: uuid type: string - description: Suggestion ID in: path name: suggestionId required: true schema: description: Suggestion ID format: uuid type: string requestBody: content: application/json: schema: $ref: '#/components/schemas/RejectRuleSuggestionRequest' required: true responses: '200': content: application/json: schema: $ref: '#/components/schemas/RuleSuggestionResponse' description: OK '400': description: The request contains invalid parameters or payload. content: application/problem+json: schema: $ref: '#/components/schemas/Detail' examples: 400-validation-failed: $ref: '#/components/examples/400-validation-failed' '401': $ref: '#/components/responses/Unauthorized' '403': description: >- You do not have permission to access this resource, or the context is not active. content: application/problem+json: schema: $ref: '#/components/schemas/Detail' examples: TenantClaimRequired: summary: Tenant claim missing value: type: https://errors.lerian.studio/v1/MTCH-0004 title: Forbidden status: 403 detail: tenant claim required code: MTCH-0004 mtch-0012-context-is-not-active: $ref: '#/components/examples/mtch-0012-context-is-not-active' '404': description: The requested resource was not found. content: application/problem+json: schema: $ref: '#/components/schemas/Detail' examples: mtch-0005-context-not-found: $ref: '#/components/examples/mtch-0005-context-not-found' mtch-0005-rule-suggestion-not-found: $ref: '#/components/examples/mtch-0005-rule-suggestion-not-found' '409': description: The request conflicts with the current state of the resource. content: application/problem+json: schema: $ref: '#/components/schemas/Detail' examples: mtch-0413-rejecting-rule-suggestion-invalid-rule-suggestion-review-sta: $ref: >- #/components/examples/mtch-0413-rejecting-rule-suggestion-invalid-rule-suggestion-review-sta mtch-0413-persisting-rejected-review-update-rule-suggestion-review-rul: $ref: >- #/components/examples/mtch-0413-persisting-rejected-review-update-rule-suggestion-review-rul '422': $ref: '#/components/responses/ValidationFailed' '429': $ref: '#/components/responses/TooManyRequests' '500': $ref: '#/components/responses/InternalServerError' '503': description: The service is temporarily unavailable. Please try again later. content: application/problem+json: schema: $ref: '#/components/schemas/Detail' examples: mtch-0410-internal-error: $ref: '#/components/examples/mtch-0410-internal-error' security: - BearerAuth: [] components: schemas: RejectRuleSuggestionRequest: additionalProperties: false properties: reason: description: Optional rejection reason examples: - too aggressive maxLength: 1000 type: string type: object RuleSuggestionResponse: additionalProperties: false properties: candidate: $ref: '#/components/schemas/RuleSuggestionCandidateResponse' description: The config-only proposed match rule contextId: description: Reconciliation context ID this suggestion belongs to examples: - 550e8400-e29b-41d4-a716-446655440000 type: string createdAt: description: When the review was created (RFC 3339) examples: - '2026-06-16T10:30:00Z' type: string createdRuleId: description: >- Identifier of the match rule created on approval; empty until an approved review is linked examples: - 550e8400-e29b-41d4-a716-446655440000 type: string id: description: Unique identifier for the review examples: - 550e8400-e29b-41d4-a716-446655440000 type: string rejectReason: description: Optional reason recorded when the suggestion is rejected examples: - too aggressive type: string reviewerId: description: >- Principal id of the reviewer; empty until the suggestion is adjudicated examples: - user-42 type: string status: description: >- Lifecycle status: PENDING_REVIEW (awaiting human decision), APPROVED (rule created), or REJECTED (discarded) enum: - PENDING_REVIEW - APPROVED - REJECTED examples: - PENDING_REVIEW type: string updatedAt: description: When the review was last updated (RFC 3339) examples: - '2026-06-16T10:35:00Z' type: string version: description: Optimistic-concurrency version of the review examples: - 1 format: int64 type: integer required: - id - contextId - candidate - status - version - createdAt - updatedAt type: object Detail: 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 RuleSuggestionCandidateResponse: additionalProperties: false properties: confidence: description: >- Advisor confidence in the suggestion, from 0.0 (lowest) to 1.0 (highest) examples: - 0.82 format: double type: number config: additionalProperties: {} description: >- Per-type rule configuration over the closed schema; the shape depends on the candidate type type: object expectedImprovement: description: >- Advisory note on the expected auto-match-rate effect; never a monetary figure examples: - +8% auto-match type: string priority: description: Proposed rule priority in the range 1..1000 (lower runs first) examples: - 10 format: int64 type: integer rationale: description: Short human-readable rationale for the suggestion examples: - near-miss amounts cluster under 1% type: string type: description: >- Proposed rule type from the closed vocabulary: EXACT (strict equality), TOLERANCE (within an amount band), or DATE_LAG (allowing a settlement-date offset). FUZZY is excluded on purpose: a fuzzy rule only ever proposes graded-confidence links a human must review, so an operator configures one deliberately rather than accepting it from a suggestion enum: - EXACT - TOLERANCE - DATE_LAG examples: - TOLERANCE type: string required: - type - priority - config - rationale - confidence 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 RateLimitErrorResponse: description: >- Flat body that the rate limiter returns. `code` is the HTTP status as a number. type: object required: - code - title - message properties: code: type: integer description: HTTP status code. example: 429 title: type: string description: Error type. example: rate_limit_exceeded message: type: string description: Human-readable error message. example: rate limit exceeded examples: 400-validation-failed: summary: Validation failed value: title: Bad Request status: 400 detail: validation failed errors: - message: unexpected end of JSON input location: body value: '{' mtch-0012-context-is-not-active: summary: Context is not active value: type: https://errors.lerian.studio/v1/MTCH-0012 title: Forbidden status: 403 detail: context is not active code: MTCH-0012 mtch-0005-context-not-found: summary: Context not found value: type: https://errors.lerian.studio/v1/MTCH-0005 title: Not Found status: 404 detail: >- No reconciliation context matches this id; check the context id and try again. code: MTCH-0005 mtch-0005-rule-suggestion-not-found: summary: Rule suggestion not found value: type: https://errors.lerian.studio/v1/MTCH-0005 title: Not Found status: 404 detail: >- The rule suggestion could not be found; the decision was not applied. Check the suggestion id and try again. code: MTCH-0005 mtch-0413-rejecting-rule-suggestion-invalid-rule-suggestion-review-sta: summary: >- Rejecting rule suggestion: invalid rule suggestion review status transition:... value: type: https://errors.lerian.studio/v1/MTCH-0413 title: Conflict status: 409 detail: >- This rule suggestion cannot move to the requested status from its current status; the decision was not applied. Refresh the suggestion and retry a valid transition. code: MTCH-0413 mtch-0413-persisting-rejected-review-update-rule-suggestion-review-rul: summary: >- Persisting rejected review: update rule suggestion review: rule suggestion... value: type: https://errors.lerian.studio/v1/MTCH-0413 title: Conflict status: 409 detail: >- This rule suggestion was changed by another request just now; the decision was not applied. Refresh the suggestion and retry. code: MTCH-0413 mtch-0410-internal-error: summary: Service Unavailable value: type: https://errors.lerian.studio/v1/MTCH-0410 title: Service Unavailable status: 503 detail: >- Rule suggestions are not configured on this deployment; author match rules manually or ask an administrator to enable rule suggestions. code: MTCH-0410 responses: Unauthorized: description: The request lacks valid authentication credentials. content: application/problem+json: schema: $ref: '#/components/schemas/Detail' examples: MissingToken: summary: Missing token value: type: https://errors.lerian.studio/v1/AUT-0006 title: Token Missing status: 401 detail: >- A valid token must be provided in the request header. Please include a token and try again. code: AUT-0006 InvalidToken: summary: Invalid token value: type: https://errors.lerian.studio/v1/AUT-0007 title: Invalid Token status: 401 detail: >- The provided token is expired, invalid or malformed. Please provide a valid token and try again. code: AUT-0007 ValidationFailed: description: >- The request failed validation. The `errors` list names each value that failed. content: application/problem+json: schema: $ref: '#/components/schemas/Detail' example: title: Unprocessable Entity status: 422 detail: validation failed errors: - message: expected required property name to be present location: body TooManyRequests: description: >- The request exceeded the rate limit. Wait the number of seconds in `Retry-After`, then retry. headers: Retry-After: $ref: '#/components/headers/RetryAfter' X-RateLimit-Limit: $ref: '#/components/headers/XRateLimitLimit' X-RateLimit-Remaining: $ref: '#/components/headers/XRateLimitRemaining' X-RateLimit-Reset: $ref: '#/components/headers/XRateLimitReset' content: application/json: schema: $ref: '#/components/schemas/RateLimitErrorResponse' example: code: 429 title: rate_limit_exceeded message: rate limit exceeded InternalServerError: description: An unexpected error occurred on the server. content: application/problem+json: schema: $ref: '#/components/schemas/Detail' example: type: https://errors.lerian.studio/v1/MTCH-0002 title: Internal Server Error status: 500 detail: internal error code: MTCH-0002 text/plain: schema: type: string example: Internal Server Error headers: RetryAfter: description: Seconds to wait before you retry. schema: type: integer example: 30 XRateLimitLimit: description: Requests allowed in the current window. schema: type: integer example: 100 XRateLimitRemaining: description: Requests left in the current window. Always `0` on a `429`. schema: type: integer example: 0 XRateLimitReset: description: Unix time, in seconds, when the current window resets. schema: type: integer example: 1767225600 securitySchemes: BearerAuth: bearerFormat: JWT description: 'Bearer token authentication (format: "Bearer {token}")' scheme: bearer type: http ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.