Bitquery is analytical engine for blockchains
Chainlink gives blockchain developers an easy-to-use oracle framework for writing advanced smart contracts that connect to external data and systems.
Chainpoint is an open standard for anchoring data to the blockchain to create a timestamp proof.
Welcome to the Covalent API! Covalent provides a unified API to all assets secured by a blockchain network.
Ethereum explorer API
Get access and build your Web3 projects on blockchain networks like Bitcoin, Binance Smart Chain, Ethereum, Monero, Bitcoin SV and others easily with NOWNodes
Steem Developer Documentation.
The Graph is an indexing protocol for organizing blockchain data and making it easily accessible with GraphQL.
The Tsunami API provides Web3 dApps and protocols access to the full spectrum of data on a given blockchain. Providing raw data — both real-time and historical — will enable our clients to track any kind of events, metrics, or statistics they desire, such as TVL, liquidity, current and historical token prices, user balances, and more.
Here are some things you get using our tools:
• Get Events
• Get Calls
• Get Transaction Information
• Get Transaction Information with logs
To retrieve Walltime's market info
Welcome to WatchData Documentation - Your infrastructure for building blockchain apps.