> ## 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 doctrinal opinions (conceptos) on Colombian public procurement, 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": "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. |

```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, response fields, and an interactive playground.
</Card>