---
title: "Check concepts or collections availability."
method: HEAD
path: "/c"
tags: ["Pyramid_skosprovider"]
---

# Check concepts or collections availability.

`HEAD /c`

## Query parameters

- `type` string
- `mode` string
- `label` string
- `language` string
- `sort` string
- `providers.ids` string
- `providers.subject` string

## Response `200`

The concepts were found.

## Changes

- **2026-03-16** `8bfc927527b6` — 1 info
  - endpoint added
- **2021-12-20** `720170256c20` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/onroerenderfgoed/apis/atramhasis-api/changes/c/head.md)

---

[API](https://skmtc.dev/onroerenderfgoed/apis/atramhasis-api.md) · [All operations](https://skmtc.dev/onroerenderfgoed/apis/atramhasis-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/onroerenderfgoed/atramhasis-api/revisions/c2d0b54078a2/schema)