---
title: "Create a library"
method: POST
path: "/v1/libraries"
tags: ["Libraries"]
---

# Create a library

`POST /v1/libraries`

## Headers

- `Idempotency-Key` string, required

## Request body

- CreateLibraryRequest
  - `name` string, required
  - `ingestion_profile` IngestionProfile, required
    - `id` string, required
    - `version` string, required
    - `required_capabilities` string[], required
    - `enrichment_schema` object, required
    - `segmentation_policy` object, required
    - `metadata_schema` object, required

## Response `201`

Library created

- LibraryResponse
  - `request_id` string, required
  - `execution` Execution, required
    - `location` 'local' | 'cloud', required
    - `capability_id` string, nullable
    - `capability_version` string, nullable
  - `usage` Usage, required
    - `billable` boolean, required
    - `quantity` number, required
    - `unit` string, required
    - `credits` number
  - `warnings` string[], required
  - `data` Library, required
    - `id` string, required
    - `workspace_id` string
    - `name` string, required
    - `ingestion_profile` IngestionProfile, required
      - `id` string, required
      - `version` string, required
      - `required_capabilities` string[], required
      - `enrichment_schema` object, required
      - `segmentation_policy` object, required
      - `metadata_schema` object, required
    - `created_at` string, date-time, required
    - `updated_at` string, date-time, required

## Other responses

- `default` — Standard Cerul error envelope

## Changes

- **2026-07-27** `c15615d54993` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/cerul-ai/apis/cerul-api/changes/v1/libraries/post.md)

---

[API](https://skmtc.dev/cerul-ai/apis/cerul-api.md) · [All operations](https://skmtc.dev/cerul-ai/apis/cerul-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/cerul-ai/cerul-api/revisions/c15615d54993/schema)