OpenSea API
Cryptocurrency · Operational · 30d uptime 100%
OpenSea, exchange everything — token trading and NFT marketplace. Welcome to the best place to discover, trade, and create onchain.
Trust signals
Pricing
FREE
Auth
API_KEY
CORS
No
Rate limit
Unknown
Health
814ms
Trust score
81 (B)
Last checked Oct 18, 2026 · uptime 24h 100% / 7d 100% / 30d 100%
Strong candidate; weakest signal is CORS.
Links
- Homepageopensea.io
- Documentationdocs.opensea.io/reference/api-overview
- Base URLdocs.opensea.io/reference/api-overview
Integration checklist
- Auth is API_KEY
- No CORS — route calls through your backend.
- Rate limit: Unknown