Chainlink

Extra Credit builds an outline of Chainlink's docs the first time your work uses it. Until then, start at the official documentation.

• Bitquery Onchain GraphQL APIs & DEX APIs
• Blockscout Multichain block explorer REST API (with Etherscan-compatible JSON-RPC)
• Chainpoint Chainpoint is a global network for anchoring data to the Bitcoin blockchain
• ClearTrace Cross-frontend DEX attribution and execution quality data across Ethereum and L2s
• Covalent Multi-blockchain data aggregator platform
• Dwellir RPC endpoints for 150+ blockchain networks, including Ethereum, Solana, Polkadot and Hyperliquid
• Etherscan Ethereum explorer API
• Get Started with Web3 Bilingual Web3 lessons, glossary search and role-based learning paths
• Helium Helium is a global, distributed network of Hotspots that create public, long-range wireless coverage
• MELEK Graphene social blockchain (Steem family) with a keyless condenser_api JSON-RPC
• Nownodes Blockchain-as-a-service solution that provides high-quality connection via API
• Steem Blockchain-based blogging and social media website