Opensea Plans
OpenSea API plans. A free instant key is available for immediate use with no signup; a permanent key with higher rate limits is available via opensea.io/settings/developer. Fulfillment, read, and write operations have separate rate limit buckets.
Opensea Plans is the machine-readable pricing-plan profile for OpenSea on the APIs.io network, conforming to the API Commons Plans specification.
It defines 2 plans, covering freemium tiers, with named plans including Instant Free Tier, Developer (Permanent Key).
Tagged areas include NFT, Marketplace, Web3, and Blockchain.
Plans
Instant free-tier API key generated without signup via POST to /api/v2/auth/keys. Key expires after 30 days. Rate limited to 2 key creations per hour per IP. Read rate limit 60/min, write rate limit 5/min, fulfillment rate limit 5/min.
- All REST API endpoints
- Stream API (WebSocket)
- No signup required
- Instant key via API
- Key expires after 30 days
Permanent API key obtained via opensea.io/settings/developer. No expiration. Higher rate limits than the instant free tier. Suitable for production integrations.
- All REST API endpoints
- Stream API (WebSocket)
- Permanent non-expiring key
- Key rotation via settings dashboard
- Production use
Sources
- https://docs.opensea.io/reference/api-keys
- https://github.com/ProjectOpenSea/opensea-cli#authentication
- https://github.com/ProjectOpenSea/stream-js#authentication
Work with this as data
Every plan here is available over the APIs.io API and to AI agents over MCP.