Bitcoin, Blockchain, and Cryptocurrency cover a large portion of Web 3.0. The ultimate goal of Web 3.0 is to provide a more capable, secure, and semantic web. Here are the Top four APIs that can make Web 3.0 more accessible and manageable.
BraveNewCoin API provides the latest and historical cryptocurrency market data. Latest ticker and historic daily OHLCV data aggregated from over 200 exchanges representing the markets for more than 1500 crypto assets and 6500 market pairs. This API has several endpoints which you can choose from.
Blockchain Data API gives access to more than 20 blockchains: blocks, transactions, transfers, smart contracts, and tokens.
Alpha Chain API is a blockchain trusted node operator and data API. Running Chainlink nodes and gathering data. Connect your smart contracts to powerful APIs with Alpha Chain Chainlink nodes, and data API.
MintMe Coin is a transparent web-mineable blockchain platform made to support Decentralized Applications (DApps), where websites can serve as a hardware independent alternative to secure ERC20 & ERC223 smart contracts.