{"status":"ok","api":"Avenue Billing API","version":"1.0","endpoints":{"verify":{"path":"/v1/verify","methods":["GET","POST"],"params":{"merchantid":"string (required, e.g. \"fcsistema\")","account":"string (required, e.g. \"57\" or username)"},"description":"Verify account existence and validity"},"balance":{"path":"/v1/balance","methods":["GET","POST"],"params":{"merchantid":"string (required, e.g. \"fcsistema\")"},"description":"Check merchant account balance"},"pay":{"path":"/v1/pay","methods":["GET","POST"],"params":{"merchantid":"string (required, e.g. \"mastermind\")","account":"string (required, destination account)","sum":"float (required, transfer amount)","id":"integer/string (required, unique transaction id)"},"description":"Execute a balance transfer / payment"},"check":{"path":"/v1/check","methods":["GET","POST"],"params":{"merchantid":"string (required, e.g. \"mastermind\")","id":"integer/string (required, transaction id to check)"},"description":"Check status of an existing transaction"}}}