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Base Gas Price History
x402
Base Gas Price History is a paid API for AI agents from scanpay-edge.alextaghiashvili.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-11-02).
Returns per-block base fee, gas usage, utilization, and transaction counts for the last N Base (EVM chain 8453) blocks, plus summary statistics and a suggested max fee.
Price / call$0.002
Success—
StatusUnknown
How this service works
Pay-per-call x402 APIs for AI agents: OpenAI-compatible LLM chat, perp funding and arbitrage spreads, crypto prices, gas, FX, Solana SPL mint audit, token price by contract, x402 delivery-receipt verification, web search, clean page extraction, batch tools and deterministic code-security scanning. USDC on Base or Solana, no signup, no API key, from $0.0001 a call.
Output
Returns a JSON object with a per-block history array (block number, timestamp, gas used, gas limit, utilization %, base fee in gwei, tx count) for the requested number of blocks, plus a summary object containing average/min/max base fee, average utilization, trend percentage, suggested max fee, and suggested priority fee — all scoped to the Base network (EIP-155 chain 8453).
Example use cases
Pre-transaction gas fee check
“Before I submit this Base transaction, check the last 20 blocks of gas history and tell me the suggested max fee and whether gas is trending up or down.”
Network congestion monitoring
“How congested is the Base network right now? Give me the gas utilization and transaction count trends for the past 50 blocks so I can decide whether to wait.”
DeFi bot gas cost estimation
“I need to estimate transaction costs on Base for my trading bot — fetch the last 30 blocks of gas history and give me the average, min, and max base fees in gwei.”
Technical details
Endpoint
GEThttps://scanpay-edge.alextaghiashvili.workers.dev/api/v1/base-gas-history?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need real-time, per-block gas analytics specifically for the Base L2 network (chain 8453), including trend analysis and actionable fee suggestions. It is preferable over raw RPC calls because it aggregates multi-block statistics and computes a suggested max fee automatically. Use it over generic multi-chain gas APIs when Base-specific granularity and trend data matter.
Side effects
- blocks parameter below 5 or above 50 returns a validation error
- RPC or indexer connectivity issues may return a cached or partial result (cached flag = true)
- If the Base node is unavailable, the endpoint may return an error or stale data
- Requesting blocks near genesis or during a chain fork may yield incomplete history
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"cached": false,
"history": [
{
"number": 20000000,
"gas_used": 10000000,
"tx_count": 100,
"gas_limit": 30000000,
"timestamp": 1720000000,
"base_fee_gwei": 0.001,
"utilization_pct": 33.33
},
{
"number": 20000001,
"gas_used": 10000000,
"tx_count": 100,
"gas_limit": 30000000,
"timestamp": 1720000002,
"base_fee_gwei": 0.001,
"utilization_pct": 33.33
},
{
"number": 20000002,
"gas_used": 10000000,
"tx_count": 100,
"gas_limit": 30000000,
"timestamp": 1720000004,
"base_fee_gwei": 0.001,
"utilization_pct": 33.33
},
{
"number": 20000003,
"gas_used": 10000000,
"tx_count": 100,
"gas_limit": 30000000,
"timestamp": 1720000006,
"base_fee_gwei": 0.001,
"utilization_pct": 33.33
},
{
"number": 20000004,
"gas_used": 10000000,
"tx_count": 100,
"gas_limit": 30000000,
"timestamp": 1720000008,
"base_fee_gwei": 0.001,
"utilization_pct": 33.33
}
],
"network": "eip155:8453",
"product": "scanpay.base_gas_history",
"summary": {
"trend_pct": 0,
"avg_base_fee_gwei": 0.001,
"max_base_fee_gwei": 0.001,
"min_base_fee_gwei": 0.001,
"avg_utilization_pct": 33.33,
"suggested_max_fee_gwei": 0.00125,
"suggested_priority_fee_gwei": 0.001
},
"as_of_ms": 1720000000000,
"to_block": 20000004,
"price_usd": 0.002,
"from_block": 20000000,
"blocks_returned": 5,
"blocks_requested": 5
}
}Tags
x402
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