> ## 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. # DIAN Doctrina Search > Full-text search over DIAN's published tax doctrine and related legal compilation: oficios, conceptos, decretos, resoluciones, leyes and high-court rulings. Each hit carries the `document_id` used by `dian-doctrina-document`, plus the title, issuing body, epigraph and a matching excerpt. Optional filters: `document_type` (e.g. `Oficios`, `Conceptos`) and `year`. Paginated with `page` and `per_page`; `capped: true` means the source returned more matches than are retrievable, so narrow the query. ## OpenAPI ````yaml /api-reference/openapi.json post /co/dian/doctrina-search/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: /co/dian/doctrina-search/v1: post: tags: - Colombia - DIAN summary: DIAN Doctrina Search description: >- Full-text search over DIAN's published tax doctrine and related legal compilation: oficios, conceptos, decretos, resoluciones, leyes and high-court rulings. Each hit carries the `document_id` used by `dian-doctrina-document`, plus the title, issuing body, epigraph and a matching excerpt. Optional filters: `document_type` (e.g. `Oficios`, `Conceptos`) and `year`. Paginated with `page` and `per_page`; `capped: true` means the source returned more matches than are retrievable, so narrow the query. operationId: dian_doctrina_search requestBody: required: true content: application/json: schema: type: object required: - query properties: query: type: string minLength: 2 maxLength: 300 description: >- Términos de búsqueda en el texto de la doctrina (p. ej. `dividendos`). document_type: type: string maxLength: 60 default: '' description: >- Filtro por tipo de documento (p. ej. `Oficios`, `Conceptos`). Vacío para todos. year: type: string default: '' description: Filtro por año de expedición (yyyy). Vacío para todos. page: type: integer minimum: 1 maximum: 1000 default: 1 description: 1-based page number for paginated results. per_page: type: integer minimum: 1 maximum: 100 default: 20 description: Resultados por página (1-100). additionalProperties: false example: query: dividendos document_type: Conceptos 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/DianDoctrinaSearchResponse' '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/colombia/dian components: schemas: DianDoctrinaSearchResponse: type: object required: - data properties: data: type: object required: - query - document_type - year - page - per_page - total - count - capped - results properties: query: type: string description: Términos consultados. document_type: type: - string - 'null' description: Filtro aplicado. year: type: - string - 'null' description: Filtro aplicado. page: type: integer per_page: type: integer total: type: integer description: Coincidencias tras aplicar los filtros. count: type: integer description: Resultados en esta página. capped: type: boolean description: >- Verdadero cuando la fuente devolvió más coincidencias de las recuperables; refine la consulta. results: type: array items: $ref: '#/components/schemas/DianDoctrinaHit' 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. DianDoctrinaHit: type: object required: - document_id - title - document_type - number - year - issuer - summary - excerpt - url properties: document_id: type: string description: >- Identificador del documento; se pasa tal cual a `dian-doctrina-document`. title: type: - string - 'null' description: Título oficial del documento. document_type: type: - string - 'null' description: Tipo de documento (p. ej. `Oficios`, `Conceptos`, `Decretos`). number: type: - string - 'null' description: Número del documento. year: type: - string - 'null' description: Año de expedición. issuer: type: - string - 'null' description: Entidad que expidió el documento. summary: type: - string - 'null' description: Epígrafe o descripción corta del documento. excerpt: type: - string - 'null' description: Fragmento del texto donde coincide la búsqueda. url: type: string format: uri description: URL pública del documento. securitySchemes: bearerAuth: type: http scheme: bearer description: 'Use Authorization: Bearer YOUR_API_KEY' ````