> ## 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 operator fixed-width layout templates > Returns every active per-tenant fixed-width layout template. The list is unpaginated: layout templates are bounded operator config. Tenant from the JWT; never the body. ## OpenAPI ````yaml /pt/openapi/v3-current/matcher.yaml get /v1/imports/formats/templates 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/imports/formats/templates: get: tags: - Ingestion summary: List operator fixed-width layout templates description: >- Returns every active per-tenant fixed-width layout template. The list is unpaginated: layout templates are bounded operator config. Tenant from the JWT; never the body. operationId: listLayoutTemplates responses: '200': content: application/json: schema: $ref: '#/components/schemas/ListLayoutTemplatesResponse' description: OK '401': $ref: '#/components/responses/Unauthorized' '403': $ref: '#/components/responses/Forbidden' '429': $ref: '#/components/responses/TooManyRequests' '500': $ref: '#/components/responses/InternalServerError' security: - BearerAuth: [] components: schemas: ListLayoutTemplatesResponse: additionalProperties: false properties: items: description: Active operator layout templates items: $ref: '#/components/schemas/LayoutTemplateResponse' type: - array - 'null' required: - items type: object LayoutTemplateResponse: additionalProperties: false properties: createdAt: description: Creation timestamp (RFC 3339, UTC) examples: - '2025-01-15T10:30:00Z' format: date-time type: string discriminator: $ref: '#/components/schemas/LayoutTemplateDiscriminatorResponse' description: >- Record-type discriminator byte range the parser reads to select a record type formatKey: description: >- Canonical format descriptor key (region/family/variant) the template registers under examples: - br/cnab400/acme-cobranca type: string id: description: Template identifier examples: - 550e8400-e29b-41d4-a716-446655440000 format: uuid type: string recordTypeCount: description: Number of record types the layout declares examples: - 1 format: int64 type: integer recordWidths: additionalProperties: format: int64 type: integer description: Per-record-type fixed width in bytes, keyed by record type type: object records: description: >- Record types the layout declares, each with its fixed width and ordered byte-range fields, sorted by record type items: $ref: '#/components/schemas/LayoutTemplateRecordResponse' type: - array - 'null' requiredFields: description: Field names the variant must declare across its record types items: type: string type: - array - 'null' variantKey: description: In-file variant key the layout is keyed by examples: - acme-cobranca type: string required: - id - formatKey - variantKey - recordTypeCount - discriminator - records - recordWidths - requiredFields - createdAt 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 LayoutTemplateDiscriminatorResponse: additionalProperties: false properties: length: description: Discriminator width in bytes examples: - 1 format: int64 type: integer startByte: description: Zero-based byte offset of the record-type discriminator examples: - 0 format: int64 type: integer required: - startByte - length type: object LayoutTemplateRecordResponse: additionalProperties: false properties: fields: description: Ordered positional fields of this record type items: $ref: '#/components/schemas/LayoutTemplateFieldResponse' type: - array - 'null' recordType: description: Record-type value the discriminator byte slice matches (e.g. "1") examples: - '1' type: string width: description: Fixed width in bytes every record of this type must be examples: - 33 format: int64 type: integer required: - recordType - width - fields 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 LayoutTemplateFieldResponse: additionalProperties: false properties: kind: description: >- Value type: string (raw text), decimal (money/numeric verbatim token, parsed downstream), or date enum: - string - decimal - date examples: - decimal type: string length: description: Field width in bytes examples: - 12 format: int64 type: integer name: description: >- Canonical field name this byte slice feeds (e.g. external_id, amount, currency, date) examples: - amount type: string startByte: description: Zero-based byte offset where the field begins examples: - 11 format: int64 type: integer required: - name - startByte - length - kind 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 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.