NAIF FixGraph · RPC Doctor
RPC response is missing eth_blockNumber
The endpoint cannot provide the current block height in the expected JSON-RPC result.
Aggregate badge appears at 5+ consented samplesProblem signature
blockNumber missing
Likely causes
- Node is unhealthy or not fully serving reads
- Method restriction at the provider
- Partial response from a gateway
What to check first
- Call eth_blockNumber alone
- Compare node health and sync status
- Test a second provider for the same chain
This page is curated technical guidance, not a claim about any specific user's system. Diagnosis-derived trend badges are shown only after at least 5 consented, sanitized samples.