base-gas-x402

active

Pay-per-call gas oracle for Base mainnet (Base L2, Coinbase Base, chain id 8453), gated with the x402 payment protocol. Returns EIP-1559 base fee, low/medium/high priority fee tiers, current gas price in gwei, and an estimated transaction cost, all read live from the chain. No API keys and no subscription: agents pay 0.005 USDC per call over x402.

DataBasex402 v2exactbase-gas-x402-production.up.railway.app ↗︎

Settled via Coinbase.

Transactions · 30d
872
Volume · 30d
$4.36
Unique buyers · 30d
65
Uptime · 30d
100.0%
Latency p50
99ms
Reported calls · 30d
747

Endpoints (5 live)

  • agentcash-fortune-demo-six.vercel.app POST /api/fortune — Random fortune — fixed price; x402 exact or MPP one-shot (0.001 USDC on Base)
  • base-gas-x402-production.up.railway.app GET /gas/compare — Live gas cost comparison across Base, OP Mainnet, Arbitrum One, and Ethereum in one call, ranked cheapest first. (0.01 USDC on Base)
  • base-gas-x402-production.up.railway.app GET /gas/cheapest-window — Cheapest hours of day to transact on Base, from collected gas history: hourly averages in UTC ranked cheapest first, plus the savings percent. (0.02 USDC on Base)
  • base-gas-x402-production.up.railway.app GET /gas — Live Base mainnet gas: EIP-1559 base fee, low/medium/high priority tiers in gwei, and a transaction cost estimate for any gas limit. (0.005 USDC on Base)
  • base-gas-x402-production.up.railway.app GET /gas/history — Historical Base mainnet gas prices over a lookback window: time series, min/max/average/median, and a cheap/normal/expensive verdict for the current price. (0.012 USDC on Base)

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