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 -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
}