Some API calls are available with CORS headers if you add a &cors=true paramter to the GET request

Please limit your queries to a maximum of 1 every 10 seconds. All bitcoin values are in Satoshi i.e. divide by 100000000 to get the amount in BTC


Address Lookups

To filter by x number of confirmations include the confirmations parameter

e.g. /q/addressbalance/1EzwoHtiXB4iFwedPr49iywjZn2nnekhoj?confirmations=6
to only include transactions with 6 or more confirmations. This is extremely important if you are processing valuable transactions.

Transaction Lookups