---
title: "Create an LLM Observability project"
method: POST
path: "/api/v2/llm-obs/v1/projects"
tags: ["LLM Observability"]
---

# Create an LLM Observability project

`POST /api/v2/llm-obs/v1/projects`

## Request

- Base URL: `https://api.datadoghq.com`
- URL: `https://api.datadoghq.com/api/v2/llm-obs/v1/projects`
- Auth: API key in header `DD-API-KEY` and API key in header `DD-APPLICATION-KEY`

Create a new LLM Observability project. Returns the existing project if a name conflict occurs.

## Request body

- LLMObsProjectRequest: Request to create an LLM Observability project.
  - `data` LLMObsProjectDataRequest, required: Data object for creating an LLM Observability project.
    - `attributes` LLMObsProjectDataAttributesRequest, required: Attributes for creating an LLM Observability project.
      - `description` string: Description of the project.
      - `name` string, required: Name of the project.
    - `type` 'projects', required: Resource type of an LLM Observability project.

## Response `200`

OK

- LLMObsProjectResponse: Response containing a single LLM Observability project.
  - `data` LLMObsProjectDataResponse, required: Data object for an LLM Observability project.
    - `attributes` LLMObsProjectDataAttributesResponse, required: Attributes of an LLM Observability project.
      - `created_at` string, date-time, required: Timestamp when the project was created.
      - `description` string, nullable, required: Description of the project.
      - `name` string, required: Name of the project.
      - `updated_at` string, date-time, required: Timestamp when the project was last updated.
    - `id` string, required: Unique identifier of the project.
    - `type` 'projects', required: Resource type of an LLM Observability project.

## Other responses

- `201`: Created
- `400`: Bad Request
- `401`: Unauthorized
- `403`: Forbidden
- `429`: Too many requests

---

[API](https://skmtc.dev/datadog/apis/datadog-api-v2-collection.md) - [All operations](https://skmtc.dev/datadog/apis/datadog-api-v2-collection/llms.txt) - [OpenAPI document](https://skmtc.dev/datadog/apis/datadog-api-v2-collection/revisions/da68bf029e4c?raw)