---
title: "Create a project"
method: POST
path: "/v2/projects"
tags: ["Projects"]
---

# Create a project

`POST /v2/projects`

Create a new project given a name and space ID.

**Payload Requirements**
- The project name must be unique within the given space.

<Note>This endpoint is in beta, read more [here](https://arize.com/docs/ax/rest-reference#api-version-stages).</Note>

## Request body

- CreateProjectRequest
  - `name` string, required — Name of the project (must be unique within the space)
  - `space_id` string, required — ID of the space to create the project in

## Response `201`

A project object

- Project — A project represents an LLM application and serves as the primary container for observability data. Each project collects traces and spans that capture the execution flow of your application, enabling you to debug issues, monitor latency, and analyze token usage. Projects belong to a space and provide a centralized view of your application's performance. Use projects to organize related traces, run experiments against datasets, and track improvements over time.
  - `id` string, required — The project ID
  - `name` string, required — The project name
  - `space_id` string, required — The space ID the project belongs to
  - `created_at` string, date-time, required — When the project was created

## Other responses

- `400` — Invalid request
- `401` — Authentication is required
- `403` — Insufficient permissions to access this resource
- `409` — Resource conflict
- `422` — Unprocessable entity
- `429` — Rate limit exceeded

---

[API](https://skmtc.net/arize-ai/apis/arize-rest-api.md) · [All operations](https://skmtc.net/arize-ai/apis/arize-rest-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/arize-ai/arize-rest-api/versions/2ce448f1de13/schema)