> ## Documentation Index > Fetch the complete documentation index at: https://docs.usecroma.com/llms.txt > Use this file to discover all available pages before exploring further. # Mexican Law Reforms by Year > The chronological log of federal law reforms: one entry per DOF publication day (a day can bundle several instruments), newest first, with the affected laws and what happened to them (reforman/adicionan/derogan/abrogan/expiden/modifican/actualizan, plus fe de erratas). Defaults to the current year; archives verified from 2022. Paged, 50 decrees per page. ## OpenAPI ````yaml /api-reference/openapi.json post /mx/diputados/law-reforms/v1 openapi: 3.1.0 info: title: Croma Marketplace API version: 1.0.0 description: >- Government-data APIs for Colombia, Peru, Mexico, and global web search. Croma normalizes public-sector data into structured JSON for product teams and AI agents. servers: - url: https://api.croma.run security: [] paths: /mx/diputados/law-reforms/v1: post: tags: - Mexico - Cámara de Diputados summary: Mexican Law Reforms by Year description: >- The chronological log of federal law reforms: one entry per DOF publication day (a day can bundle several instruments), newest first, with the affected laws and what happened to them (reforman/adicionan/derogan/abrogan/expiden/modifican/actualizan, plus fe de erratas). Defaults to the current year; archives verified from 2022. Paged, 50 decrees per page. operationId: diputados_law_reforms requestBody: required: true content: application/json: schema: type: object required: [] properties: year: type: string default: '' description: Optional 4-digit year filter. page: type: integer minimum: 1 maximum: 1000 default: 1 description: 1-based page number for paginated results. additionalProperties: false example: year: '2026' responses: '200': description: Successful response headers: X-Request-Id: description: >- Unique id for the request (req_…). Include it in support reports. schema: type: string X-RateLimit-Limit: description: Requests allowed in the current window. schema: type: integer X-RateLimit-Remaining: description: Requests left before you are throttled. schema: type: integer X-RateLimit-Reset: description: ISO 8601 timestamp when the window resets. schema: type: string format: date-time X-Cache: description: HIT or MISS. Cached hits still count against your quota. schema: type: string enum: - HIT - MISS content: application/json: schema: $ref: '#/components/schemas/DiputadosLawReformsResponse' '400': description: Invalid request body headers: X-Request-Id: description: >- Unique id for the request (req_…). Include it in support reports. schema: type: string content: application/json: schema: $ref: '#/components/schemas/ApiError' '401': description: Missing or invalid API key headers: X-Request-Id: description: >- Unique id for the request (req_…). Include it in support reports. schema: type: string content: application/json: schema: $ref: '#/components/schemas/ApiError' '429': description: Rate limit exceeded headers: X-Request-Id: description: >- Unique id for the request (req_…). Include it in support reports. schema: type: string X-RateLimit-Limit: description: Requests allowed in the current window. schema: type: integer X-RateLimit-Remaining: description: Requests left before you are throttled. schema: type: integer X-RateLimit-Reset: description: ISO 8601 timestamp when the window resets. schema: type: string format: date-time Retry-After: description: Seconds to wait before retrying. schema: type: integer content: application/json: schema: $ref: '#/components/schemas/ApiError' '500': description: Internal error headers: X-Request-Id: description: >- Unique id for the request (req_…). Include it in support reports. schema: type: string content: application/json: schema: $ref: '#/components/schemas/ApiError' '502': description: Upstream source returned an error headers: X-Request-Id: description: >- Unique id for the request (req_…). Include it in support reports. schema: type: string content: application/json: schema: $ref: '#/components/schemas/ApiError' security: - bearerAuth: [] externalDocs: description: Interactive documentation and examples url: https://docs.usecroma.com/guides/mexico/diputados components: schemas: DiputadosLawReformsResponse: type: object required: - data properties: data: type: object required: - year - found - decrees - pagination properties: year: type: integer found: type: boolean description: False when no reform log exists for that year. pagination: type: object required: - total - page_size - total_pages - page properties: total: type: integer page_size: type: integer total_pages: type: integer page: type: integer decrees: type: array items: type: object required: - dof_date - summary - actions - affected_laws properties: dof_date: type: - string - 'null' format: date summary: type: string actions: type: array items: type: string description: >- Canonical actions: reforman, adicionan, derogan, abrogan, expiden, modifican, actualizan, fe de erratas, aclaración, plus sentencia for court entries. affected_laws: type: array items: type: object required: - id - name properties: id: type: string name: type: string ApiError: type: object required: - error properties: error: type: object required: - type - code - message properties: type: type: string description: >- Broad category: invalid_request_error, authentication_error, not_found_error, rate_limit_error, upstream_error, api_error. code: type: string description: Machine-readable specific code. message: type: string description: Human-readable explanation, safe to surface in UI. param: type: string description: Field that triggered the error. Present on validation errors. details: type: object description: Free-form structured detail. securitySchemes: bearerAuth: type: http scheme: bearer description: 'Use Authorization: Bearer YOUR_API_KEY' ````