getdifficultyReturns the proof-of-work difficulty as a multiple of the minimum difficulty.Request cURLcurl 'https://rpc.web3api.io?x-api-key=YOUR-API-KEY' \ -X POST \ -H 'x-amberdata-blockchain-id: bitcoin-mainnet' \ -d '{"jsonrpc":"2.0","id":1,"method":"getdifficulty","params":[]}' Response JSON{ "result": 12759819404408.79, "error": null, "id": 1 }