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Base Network RPC Health Check
x402
Base Network RPC Health Check is a paid API for AI agents from manylives.me, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-09).
Returns health status, latest block, lag, and response time for all public Base network RPC endpoints so you can pick the fastest in-sync node.
Price / call$0.003
Success—
StatusUnknown
How this service works
Which public Base network RPC endpoints are healthy right now: each one's latest block, how far behind the freshest it is, and response time. Pick a fast, in-sync node before you send.
Output
Returns the current chain tip block number, plus a list of all public Base RPC endpoints each with their URL, latest block observed, number of blocks behind the tip, response time in milliseconds, and a boolean healthy flag. Optionally filtered by a configurable max_lag threshold (default 3 blocks).
Example use cases
Pre-transaction RPC selection
“I'm about to submit a transaction on Base mainnet — check all the public RPC endpoints and tell me which are in sync and which has the lowest response time so I know which one to route through.”
Monitoring Base node health
“Set up a check of the Base network public RPCs and alert me if any of them fall more than 5 blocks behind the chain tip.”
Debugging stale blockchain data
“My app is reading old state from Base — can you check all the public Base RPCs and tell me which ones are lagging behind so I can figure out which node to switch away from?”
Technical details
Endpoint
GEThttps://manylives.me/paid/chain/rpc-health?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to programmatically select the best Base network RPC before sending transactions or reading on-chain data — especially when you want a live, multi-endpoint comparison rather than hardcoding a single RPC URL. Prefer this over manual node selection or generic blockchain status pages when you need latency and block-lag data together in one call.
Side effects
- All endpoints may be reported as unhealthy if the Base network is experiencing widespread issues
- Transient network timeouts during the health probe may cause some endpoints to appear slower than usual
- Stale results if called during a period of rapid chain tip advancement
- Invalid max_lag parameter value may result in an error or defaulting to 3 blocks
- Some RPC endpoints may be temporarily unreachable, reducing the list returned
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"tip": 52300000,
"endpoints": [
{
"ms": 80,
"url": "https://…",
"block": 52300000,
"behind": 0,
"healthy": true
}
]
}
}Tags
x402
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