The CoinDaddy XChain API allows developers to request Counterparty information using REST calls. Data is returned in JSON format. The number of records returned is limited on certain endpoints to keep transactions small and fast. This API can return basic address information, basic asset information, basic block information, a list of asset balances, and much more.
This API is provided by CoinDaddy, a crypto 2.0 service company that focuses on making blockchain technologies more accessible.