RPC

JSON-RPC / WebSocket. Enable RPC for the App in Console, then copy the endpoint:

POST https://gateway.gelabs.org/rpc/{network}/{token}
GET  wss://gateway.gelabs.org/rpc/{network}/{token}

{token} is the credential. Do not send X-API-Key. network comes from the Console list (for example ethereum-mainnet, tron-mainnet). HTTP responses are upstream JSON-RPC, not {code,message,data}.