Blockchain WebHooks is a simple and reliable bitcoin webhooks API service for developers looking to watch or monitor BTC livenet or testnet (TBTC) wallet addresses for new transactions entering the blockchain, POSTing tx data to the URL you provide. Support for Ethereum (ETH), Bitcoin Cash, Litecoin, and more coming soon.
Twelve APIs have been added to the ProgrammableWeb directory in categories including Messaging, Intelligence, and Accounting. Featured is an API for self-checkout at retail stores and an API for troubleshooting User Experience issues. Here's a rundown of the latest additions.