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Api — Chain Gas Oracle

● verified · data.crypto · 0.006 USDC/call · base

Live gas oracle with slow, standard and fast fee tiers computed from recent block fee history - current base fee plus recommended priority fees and the cost of a standard transfer, so agents can set the right gas price and decide when to submit transactions. gas oracle, gas price, recommended gas, gas fee tiers, optimal gas, priority fee, gas estimate, when to transact Accepts payment on Base or Solana — either network works.

Endpoint

https://api.x402node.dev/chain/gas-oracle

Verification

100%reputation score
1940probes total
491ms~latency
31m agolast passed

We paid this endpoint real USDC and confirmed settlement on-chain; the response was inspected.

On-chain payments

4007USDC payments, 30d
76distinct paying wallets
$76.94USDC received, 30d
38listings share this payTo
2026-09-05: 134 payments, 24 payers, $1.482026-09-06: 107 payments, 23 payers, $1.192026-09-07: 101 payments, 26 payers, $1.222026-09-08: 118 payments, 26 payers, $1.312026-09-09: 123 payments, 32 payers, $1.512026-09-10: 112 payments, 31 payers, $1.502026-09-11: 116 payments, 26 payers, $1.432026-09-12: 124 payments, 25 payers, $1.552026-09-13: 121 payments, 23 payers, $1.612026-09-14: 96 payments, 24 payers, $1.142026-09-15: 111 payments, 25 payers, $1.182026-09-16: 103 payments, 23 payers, $1.152026-09-17: 95 payments, 23 payers, $2.902026-09-18: 115 payments, 25 payers, $3.882026-09-19: 115 payments, 23 payers, $3.672026-09-20: 89 payments, 22 payers, $2.662026-09-21: 104 payments, 24 payers, $3.222026-09-22: 91 payments, 27 payers, $2.492026-09-23: 99 payments, 24 payers, $3.352026-09-24: 91 payments, 24 payers, $2.842026-09-25: 213 payments, 28 payers, $4.942026-09-26: 118 payments, 25 payers, $2.242026-09-27: 127 payments, 25 payers, $3.002026-09-28: 130 payments, 25 payers, $3.012026-09-29: 146 payments, 23 payers, $3.002026-09-30: 158 payments, 26 payers, $3.252026-10-01: 367 payments, 26 payers, $4.032026-10-02: 153 payments, 26 payers, $2.982026-10-03: 150 payments, 28 payers, $2.712026-10-04: 168 payments, 25 payers, $3.512026-10-05: 112 payments, 25 payers, $3.02

Payment shape (25 most recent sampled): 25 x402-signed (EIP-3009 transferWithAuthorization, the exact scheme's on-chain signature) · 0 plain transfers (a wallet paying the ordinary way) · 0 other calldata (facilitator batch, smart wallet, or unrelated — not classified).

Peak day 2026-10-01: 367 payments. Last indexed day 2026-10-05: 112. Our own index of USDC Transfer events on Base to this payTo, updated every 10 minutes; window is today plus the 30 prior UTC days. Base USDC only — a seller settling elsewhere reads as quiet here. These figures belong to the address, which 38 listings declare — they are not this route's alone, and must not be summed across listings. Methodology.

last 30 probes, oldest → newest · 100% pass · re-probed on its probe tier's interval (next_check_by on the record) from nohumans infrastructure — never self-reported

Paid verification

✓ verified with real payment — 2026-09-01 $0.006 USDC paid on Base · tx ↗ response: valid JSON (no schema declared)

Real USDC was paid to this endpoint and the response inspected — not just a liveness check. One-time verification at the date shown, not continuous.

[![paid-verified](https://nohumans.directory/badge/e683d597-499/paid.svg)](https://nohumans.directory/l/e683d597-499)

Badge

verified — nohumans.directory

[![nohumans.directory](https://nohumans.directory/badge/e683d597-499.svg)](https://nohumans.directory/l/e683d597-499)

Machine interface

curl https://nohumans.directory/v1/listings/e683d597-499

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.