> ## 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. # SECOP Processes by Entity > List the procurement processes (SECOP II) published by one contracting entity (by NIT), optionally within a publication-date window. The audit population for an entity. Returns lean summaries (drill into one with SECOP Process by Notice). Capped at 500 results, newest first; `capped: true` flags an incomplete set. ## OpenAPI ````yaml /api-reference/openapi.json post /co/secop/processes-by-entity/v1 openapi: 3.1.0 info: title: Croma Marketplace API version: 1.0.0 description: >- Government-data APIs for Colombia, Peru, 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/secop/processes-by-entity/v1: post: tags: - Colombia - SECOP summary: SECOP Processes by Entity description: >- List the procurement processes (SECOP II) published by one contracting entity (by NIT), optionally within a publication-date window. The audit population for an entity. Returns lean summaries (drill into one with SECOP Process by Notice). Capped at 500 results, newest first; `capped: true` flags an incomplete set. operationId: secop_processes_by_entity requestBody: required: true content: application/json: schema: type: object required: - entity_nit properties: entity_nit: type: string minLength: 4 maxLength: 15 pattern: ^\d{4,15}$ description: Colombian NIT (numeric, no verification digit). 4-15 digits. from_date: type: string format: date default: '' description: Optional date filter in yyyy-mm-dd format. to_date: type: string format: date default: '' description: Optional date filter in yyyy-mm-dd format. additionalProperties: false example: entity_nit: '899999061' from_date: '2026-01-01' 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/SecopProcessSearchResponse' '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://usecroma.com/colombia/secop components: schemas: SecopProcessSearchResponse: type: object required: - data properties: data: type: object required: - entity_nit - from_date - to_date - count - capped - processes properties: entity_nit: type: string from_date: type: - string - 'null' format: date to_date: type: - string - 'null' format: date count: type: integer description: Returned/capped count, not the true total. capped: type: boolean description: True when the 500-row cap was hit; results are incomplete. processes: type: array items: $ref: '#/components/schemas/SecopProcessSummary' 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. SecopProcessSummary: type: object required: - notice_uid - process_id - name - entity - entity_nit - base_price - url properties: notice_uid: type: - string - 'null' process_id: type: - string - 'null' reference: type: - string - 'null' name: type: - string - 'null' entity: type: - string - 'null' entity_nit: type: - string - 'null' modality: type: - string - 'null' contract_type: type: - string - 'null' base_price: type: - number - 'null' phase: type: - string - 'null' procedure_status: type: - string - 'null' published_date: type: - string - 'null' format: date url: type: - string - 'null' securitySchemes: bearerAuth: type: http scheme: bearer description: 'Use Authorization: Bearer YOUR_API_KEY' ````