curl -u fedadmin -X POST -i -H "Accept: application/json" -d '{"params": {"transactionHash": "35ab23834e12163001f542693dac7de024e15763d5fc9f1de8046ef4ea06bcf3", "destinationAddress": "NJrpNXUhLVyQD7cjmQGu5JiZWR1md5z11SLtyZ3wyRgLFfwS8vXv1iRDK4KqiEYUnmTPL857XENijCh3nbXdhXheJYhZu2Q", "transactionSecretKey": "a345cd8a51d5c44dea43bc19e1fa0926c3ebe3d93bc4273c93517423d56cd40a"}, "jsonrpc": "2.0", "id": "test", "method":"getTransactionProof"}' http://localhost:31876/json_rpc

sample:

https://explorer.fedoragold.com/?proofTx=00c93789500943fe295bea5cd478c27dc963ac8ff6b79a8ace8732fb15c8f573&proofPayment=NL2fZz8CKwNKybWyjxZPcpDH7whyonoSDc7xkoNm5kNPVQwmqAiTFydb2BjA3oorssSxF1RtneUgu2mbJY18hAxa1Ue5VwRiFUfRkReHR9SszjdJJy8wbUf5q7oqQWdkAChD1fbxEdh&proofAddress=NJ5aVftqssRWhHvHrAUSTgiuuCQBpUC2hSyDcB7DCBVDVRG9YQUA7TphAv8B8tmawFDUHU8JgfpnMKdC6HPRo73R7PJNiGi#check_payment