The Blockchain Data API allows Bitcoin block and transaction payments data query functionality. This API provides requests for data regarding single block, single transaction, chart, block height, single and multi address, unspent outputs, unconfirmed transaction, inventory and more. CORS header information is provided and all responses are in JSON.
Blockchain is a service that provides information on bitcoins and block chain data. Blockchain also allows users to manage their online bitcoin currency with online wallets
ProgrammableWeb's series on cryptocurrency and blockchain technologies aims to give you a sense of the various components and business opportunities within the various cryptocurrency ecosystems. Now, let's take a look at a small handful of typical APIs across those ecosystems.