ANCP-CCE

Doctrinal legal opinions (conceptos) on public procurement from the Relatoría de la ANCP-CCE (Colombia Compra Eficiente): ~3,800 conceptos, searchable by free text or by topic, with a topical index. Search first, then read one concepto in full.

Search conceptos

POST /co/ancp-cce/conceptos-search/v1

Field	Type	Notes
`query`	string	Optional free text.
`subject`	string	Optional descriptor (topic) to filter by.
`modified_after`	string	Optional `YYYY-MM-DD`. Only conceptos modified on or after this date.
`page`	integer	1-1000. Default `1`.
`per_page`	integer	1-100. Default `20`.

curl https://api.croma.run/co/ancp-cce/conceptos-search/v1 \
  -H "Authorization: Bearer $CROMA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "query": "contrato", "per_page": 20 }'

Returns query, subject, total, total_pages, page, per_page, count, and results.

Field	Notes
`number`	Concepto number, e.g. `C-1094 de 2026`.
`id`	Numeric id. Pass it (or `slug`) to the lookup below.
`slug`	URL-friendly identifier, e.g. `c-1094-de-2026`.
`publication_date`	Issue date.
`modified_date`	Last modification date.
`url`	Permalink to the concepto.
`subjects`	Topics (temas) the concepto is indexed under.
`subtopics`	Subtopics (subtemas) under each topic.

One concepto

POST /co/ancp-cce/concepto/v1

Field	Type	Notes
`identifier`	string	Required. The numeric `id` or the `slug` (e.g. `c-1094-de-2026`) from a search row.

curl https://api.croma.run/co/ancp-cce/concepto/v1 \
  -H "Authorization: Bearer $CROMA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "identifier": "c-1094-de-2026" }'

Returns the full doctrinal text of the concepto (text), plus publication_date, subjects, and subtopics.

Full reference

Schemas, response fields, and an interactive playground.

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