The Block.io Node.js Sample Code demonstrates how to use Basic Multi-Signature addresses. It provides examples to process transactions, create wallets for users, and use green addresses in cURL, Ruby, PHP, and Python.
Bitcoin has released many BitCoin price data APIs since its launch in 2013. Now, the company has announced a closed beta of a new, full-featured API that improves existing APIs and offers new features and functionality. After a beta trial with existing users, the company expects a broader release.