getHealth RPC Method
Returns the current health of the node. A healthy node is one that is within
HEALTH_CHECK_SLOT_DISTANCE
slots of the latest cluster confirmed slot.
Parameters
None
Result
If the node is healthy: "ok"
If the node is unhealthy, a JSON RPC error response is returned. The specifics of the error response are UNSTABLE and may change in the future
Code sample
curl https://api.devnet.solana.com -s -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "method":"getHealth"}'
Response
Healthy Result:
{ "jsonrpc": "2.0", "result": "ok", "id": 1 }
Unhealthy Result (generic):
{"jsonrpc": "2.0","error": {"code": -32005,"message": "Node is unhealthy","data": {}},"id": 1}
Unhealthy Result (if additional information is available)
{"jsonrpc": "2.0","error": {"code": -32005,"message": "Node is behind by 42 slots","data": {"numSlotsBehind": 42}},"id": 1}