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OpenSea API

API keyHTTPSCryptocurrency
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Overview

The Largest NFT Marketplace

OpenSea is a cryptocurrency API. Requests are authenticated with an API key. It is served over HTTPS and does not allow direct browser requests (no CORS).

At a glance

Authentication
API key
HTTPS
Yes
CORS
No

Questions

Does the OpenSea API need an API key?

Yes. The OpenSea API uses API key authentication; the documentation explains how to get credentials.

Can I call the OpenSea API from the browser?

Not directly. The OpenSea API does not send CORS headers, so call it from your server or a proxy instead of browser JavaScript.

Does the OpenSea API support HTTPS?

Yes, the OpenSea API is served over HTTPS.

What are alternatives to the OpenSea API?

Other Cryptocurrency APIs include Coinbase Pro, CoinGecko, CoinMarketCap, INFURA Ethereum, KuCoin.

Compare alternatives →

Listed from public-apis database (MIT).