> ## 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.

# Research

> Answer an open question from live sources. Returns a written report in Markdown with numbered citations plus the list of sources behind it. Typically takes 10-30 seconds; it is a research pass, not a lookup, so verify anything you act on against the primary source.



## OpenAPI

````yaml /api-reference/openapi.json post /global/research/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:
  /global/research/v1:
    post:
      tags:
        - Global
        - Croma
      summary: Research
      description: >-
        Answer an open question from live sources. Returns a written report in
        Markdown with numbered citations plus the list of sources behind it.
        Typically takes 10-30 seconds; it is a research pass, not a lookup, so
        verify anything you act on against the primary source.
      operationId: research
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - query
              properties:
                query:
                  type: string
                  minLength: 10
                  maxLength: 2000
                  description: The question to research, in plain language.
              additionalProperties: false
            example:
              query: >-
                ¿Qué cambios trajo la Ley 2195 de 2022 en materia de
                responsabilidad de personas jurídicas en Colombia?
      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/ResearchReportResponse'
        '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/global/research
components:
  schemas:
    ResearchReportResponse:
      type: object
      required:
        - data
      properties:
        data:
          type: object
          required:
            - query
            - report
            - sources
            - pages_analyzed
          properties:
            query:
              type: string
              description: Echoes the question asked.
            report:
              type: string
              description: >-
                The report in Markdown. Bracketed numbers such as `[1]` index
                into `sources`.
            sources:
              type: array
              items:
                $ref: '#/components/schemas/ResearchSource'
            pages_analyzed:
              type: integer
    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.
    ResearchSource:
      type: object
      required:
        - title
        - url
      properties:
        title:
          type:
            - string
            - 'null'
        url:
          type: string
          format: uri
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: 'Use Authorization: Bearer YOUR_API_KEY'

````