KOI Testnet JSON-RPC This endpoint accepts JSON-RPC POST requests only. Chain ID: 20260603 RPC URL: https://chain.koi-lang.com Explorer: https://sepolia.koi-lang.com Example: curl -X POST https://chain.koi-lang.com -H Content-Type:application/json --data {"jsonrpc":"2.0","id":1,"method":"eth_chainId","params":[]} Expected response: {"jsonrpc":"2.0","id":1,"result":"0x13526fb"}