> ## 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. # List actor mappings > Lists actor mappings by actor ID with optional actor ID prefix filtering. Does not return display name or email. Pagination is forward-only: use the nextCursor value to fetch the next page. ## OpenAPI ````yaml /pt/openapi/v3-current/matcher.yaml get /v1/governance/actor-mappings 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/governance/actor-mappings: get: tags: - Governance summary: List actor mappings description: >- Lists actor mappings by actor ID with optional actor ID prefix filtering. Does not return display name or email. Pagination is forward-only: use the nextCursor value to fetch the next page. operationId: listActorMappings parameters: - description: Actor ID prefix explode: false in: query name: actorId schema: description: Actor ID prefix type: string - description: Actor ID cursor explode: false in: query name: cursor schema: description: Actor ID cursor type: string - description: Page size (default 25, max 100) explode: false in: query name: limit schema: description: Page size (default 25, max 100) format: int64 minimum: 1 type: integer responses: '200': content: application/json: schema: $ref: '#/components/schemas/ActorMappingListResponse' description: OK '401': $ref: '#/components/responses/Unauthorized' '403': $ref: '#/components/responses/Forbidden' '422': $ref: '#/components/responses/ValidationFailed' '429': $ref: '#/components/responses/TooManyRequests' '500': $ref: '#/components/responses/InternalServerError' security: - BearerAuth: [] components: schemas: ActorMappingListResponse: additionalProperties: false properties: hasMore: description: True when more pages are available beyond this one type: boolean items: description: PII-free actor mapping rows for the current page items: $ref: '#/components/schemas/ActorMappingListItemResponse' type: - array - 'null' limit: description: Page size applied to this response examples: - 25 format: int64 type: integer nextCursor: description: Cursor to fetch the next page; empty when there are no more pages type: string prevCursor: description: >- Always empty: this list pages forward only. To go back, re-send a cursor you already followed, or omit it for the first page type: string required: - items - limit type: object ActorMappingListItemResponse: additionalProperties: false properties: actorId: description: >- Opaque actor identifier; PII fields are omitted from list rows by design examples: - user:550e8400-e29b-41d4-a716-446655440000 type: string createdAt: description: Timestamp when the mapping was created, in RFC 3339 format (UTC) examples: - '2026-01-15T10:30:00Z' type: string updatedAt: description: >- Timestamp when the mapping was last updated, in RFC 3339 format (UTC) examples: - '2026-01-15T10:30:00Z' type: string required: - actorId - 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 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 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 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 Forbidden: description: You do not have permission to access this resource. 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 PermissionDenied: summary: Permission denied value: type: https://errors.lerian.studio/v1/AUT-1020 title: Permission Denied status: 403 detail: >- the credential is not allowed to perform contexts:read on this request code: AUT-1020 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.