Blockchain APIs
13 APIs in this category, each polled for structural drift. Recently broken ones are flagged.
| Bitquery | healthy | Onchain GraphQL APIs & DEX APIs |
| Blockscout | healthy | Multichain block explorer REST API (with Etherscan-compatible JSON-RPC) |
| Chainlink | healthy | Build hybrid smart contracts with Chainlink |
| Chainpoint | healthy | Chainpoint is a global network for anchoring data to the Bitcoin blockchain |
| Covalent | healthy | Multi-blockchain data aggregator platform |
| Etherscan | healthy | Ethereum explorer API |
| Helium | healthy | Helium is a global, distributed network of Hotspots that create public, long-range wireless coverage |
| Nownodes | healthy | Blockchain-as-a-service solution that provides high-quality connection via API |
| Steem | healthy | Blockchain-based blogging and social media website |
| TWZRD Agent Intel | healthy | Solana on-chain agent trust scoring via MCP; 4 free tools to score, resolve and verify AI agent wallets |
| The Graph | healthy | Indexing protocol for querying networks like Ethereum with GraphQL |
| Walltime | healthy | To retrieve Walltime's market info |
| Watchdata | healthy | Provide simple and reliable API access to Ethereum blockchain |