Best Blockchain APIs — Compared
Compare 11 Blockchain APIs side by side. See authentication methods, HTTPS support, and CORS policies at a glance.
| API | Description | Auth | HTTPS | CORS |
|---|---|---|---|---|
| Bitquery | Onchain GraphQL APIs & DEX APIs | apiKey | ||
| Bscscan | Binance Smart Chain explorer API | apiKey | ||
| Chainlink | Build hybrid smart contracts with Chainlink | None | ||
| Chainpoint | Chainpoint is a global network for anchoring data to the Bitcoin blockchain | None | ||
| Etherscan | Ethereum explorer API | apiKey | ||
| GetBlock | Blockchain RPC Node provider that supports over 50 multiple blockchains | apiKey | ||
| Layer4 | Layer4 is a blockchain integration platform that supports no-code and API use | apiKey | ||
| Nownodes | Blockchain-as-a-service solution that provides high-quality connection via API | apiKey | ||
| Steem | Blockchain-based blogging and social media website | None | ||
| The Graph | Indexing protocol for querying networks like Ethereum with GraphQL | apiKey | ||
| Watchdata | Provide simple and reliable API access to Ethereum blockchain | apiKey |