> ## 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.

# ANCP-CCE

> Search ~3,800 doctrinal opinions (conceptos) on Colombian public procurement from the ANCP-CCE Relatoría by text or topic, and read any concepto in full.

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`. |

```bash theme={"dark"}
curl https://api.croma.run/co/ancp-cce/conceptos-search/v1 \
  -H "Authorization: Bearer $CROMA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "query": "capacidad jurídica" }'
```

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. |

```bash theme={"dark"}
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`.

<Card title="Full reference" icon="code" href="/api-reference/overview">
  Schemas, all response fields, and an interactive playground.
</Card>


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