APIs

Bitcoin Charts API

Bitcoincharts provides a simple API to most of its data. You can use this API to include markets data in your websites, mobile apps or desktop applets.

Biteasy

Biteasy provides a powerful innovative Bitcoin block explorer, a Bitcoin wallet service and Bitcoin merchant services for merchants.

BlockTrail

Bitcoin API and Block Explorer. Bitcoin data and payments made easy for developers, enterprises and service providers.

Block inspector / API

Documentation for the Block inspector blockchain and transaction API.

Chain

Block Chain API for Developers