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defi.hugen.tokyo Gas Prices
x402
defi.hugen.tokyo Gas Prices is a paid API for AI agents from defi.hugen.tokyo, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-15).
Returns real-time gas prices across multiple EVM chains in a single batch request, providing standard, fast, and instant speed tiers for each chain.
Price / call$0.01
Success—
StatusUnknown
How this service works
Real-time gas prices across multiple EVM chains in one batch request — standard, fast, and instant tiers. No per-chain API setup needed. Accepts USDC payments on Base and Solana
Output
A batch response containing real-time gas price tiers (standard, fast, instant) for multiple EVM-compatible chains, allowing the caller to compare costs across networks without querying each chain individually.
Example use cases
Example prompt
“What are the current standard, fast, and instant gas prices across all major EVM chains — I want to pick the cheapest network for my transaction right now.”
Technical details
Endpoint
GEThttps://defi.hugen.tokyo/defi/gasWhen to prefer
Use this endpoint when you need gas prices for multiple EVM chains simultaneously and want to avoid setting up per-chain RPC connections or separate API keys. Ideal for transaction cost estimation, cross-chain routing decisions, or monitoring gas spikes across networks in a single cheap call.
Side effects
- Payment not provided or insufficient — returns 402 Payment Required
- Chain data temporarily unavailable — partial response or 503
- Invalid request format — 400 Bad Request
- Rate limiting if payment not processed correctly
Input
{
"chains": "ethereum,polygon,arbitrum,optimism,base"
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | — |
Output
{
"1": {
"fast": 206301092,
"fastest": 1129677970,
"standard": 137102507,
"lastUpdated": 1781229480
},
"10": {
"fast": 1322,
"fastest": 10744,
"standard": 333,
"lastUpdated": 1781229480
},
"14": {
"fast": 50580000,
"fastest": 90000000,
"standard": 11160000,
"lastUpdated": 1781229482
},
"25": {
"fast": 568125000000,
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"standard": 380750000000,
"lastUpdated": 1781229480
},
"30": {
"fast": 27780000,
"fastest": 28730000,
"standard": 26830000,
"lastUpdated": 1781229482
},
"40": {
"fast": 6303154456268,
"fastest": 7878943070336,
"standard": 5252628713557,
"lastUpdated": 1781229480
},
"50": {
"fast": 18000000000,
"fastest": 22500000000,
"standard": 15000000000,
"lastUpdated": 1781229480
},
"56": {
"fast": 50001000,
"fastest": 60000000,
"standard": 50000001,
"lastUpdated": 1781229480
},
"88": {
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"standard": 250000000,
"lastUpdated": 1781229480
},
"100": {
"fast": 710000000,
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"lastUpdated": 1781229480
},
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"fast": 20000000000,
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},
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"lastUpdated": 1781229482
},
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"lastUpdated": 1781229480
},
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},
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"lastUpdated": 1781229481
},
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},
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},
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"lastUpdated": 1781229483
},
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},
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"lastUpdated": 1781229480
},
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"lastUpdated": 1781229480
},
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},
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},
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},
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},
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},
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"lastUpdated": 1781229480
},
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},
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},
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"lastUpdated": 0
},
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"lastUpdated": 1781229480
},
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},
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},
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},
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},
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},
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"lastUpdated": 1781229480
},
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},
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"lastUpdated": 1781229484
},
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},
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},
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"lastUpdated": 1781229483
},
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},
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},
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},
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},
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},
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},
"42170": {
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"standard": 20000000,
"lastUpdated": 1781229480
},
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"lastUpdated": 1781229480
},
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},
"43111": {
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},
"43114": {
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"50104": {
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},
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},
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},
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},
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},
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"lastUpdated": 1781229480
},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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"lastUpdated": 1781229480
}
}Tags
x402
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