---
title: "Create an instant API key"
method: POST
path: "/api/v2/auth/keys"
tags: ["Auth Endpoints"]
---

# Create an instant API key

`POST /api/v2/auth/keys`

Creates a free-tier API key instantly without authentication. The key can be used immediately for all API endpoints. Rate limited to 2 keys per hour per IP. Keys expire after 30 days.

## Response `201`

API key created successfully

## Other responses

- `400` — Bad Request
- `401` — Unauthorized
- `403` — Forbidden
- `404` — Not Found
- `409` — Conflict
- `429` — Key creation rate limit exceeded
- `500` — Internal server error (e.g. database failure)
- `503` — Feature is currently disabled or temporarily unavailable

---

[API](https://skmtc.dev/opensea/apis/opensea-api.md) · [All operations](https://skmtc.dev/opensea/apis/opensea-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/opensea/opensea-api/revisions/acee8835f2ae/schema)