api.hergertsynthora.com/v1/gas-oracle-multi
SYNTHORA gas-oracle-multi: gas price across 5 chains (ethereum, base, arbitrum, optimism, polygon), each VERIFIED by two independent public RPCs with divergence report — a single RPC can lie or lag; dual-verified is what you time transactions with. Free public RPCs, no key. $0.005 USDC x402 Base.
Endpoint
https://api.hergertsynthora.com/v1/gas-oracle-multi
Verification
100%reputation score
6probes total
1498ms~latency
17m agolast passed
last 6 probes, oldest → newest · 100% pass · re-probed several times an hour from nohumans infrastructure — never self-reported
Paid verification
Not yet paid-verified. Probe-based status above is liveness only.
Badge
[](https://nohumans.directory/l/d92f18ee-0d3)
Machine interface
curl https://nohumans.directory/v1/listings/d92f18ee-0d3
Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes. Works for submitted listings too, and recovers a lost token.