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Agent Data Bench – Gas Fee & Native Token Price Lookup
x402
Agent Data Bench – Gas Fee & Native Token Price Lookup is a paid API for AI agents from x402.deepsense.stream, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-28).
Returns the current gas fee ladder (slow/normal/fast with priority fee, max fee, and EIP-1559 base fee) for Base or Ethereum, or the priority-fee ladder for Solana, plus the native token price — all in one call.
Price / call$0.001
Success—
StatusUnknown
How this service works
Fee inputs for the next transaction: gas ladder for Base or Ethereum (slow/normal/fast, priority fee, max fee, EIP-1559 base fee) or the priority-fee ladder for Solana, plus the native token price. One call for the numbers a transaction builder needs.
Output
A structured response containing the gas fee ladder for the requested chain: for Ethereum and Base, this includes slow, normal, and fast tiers each with their priority fee and max fee, plus the EIP-1559 base fee. For Solana, it returns the priority fee ladder. All responses also include the current native token price (ETH for Ethereum/Base, SOL for Solana).
Example use cases
Pre-flight check before submitting transaction
“Before I send this Ethereum transaction, can you pull the current gas ladder — slow, normal, and fast tiers with their priority fees and max fees — plus the current ETH price so I can decide how urgent to set it?”
Solana fee estimation for dApp
“I'm building a Solana transaction — can you get me the current priority fee ladder so I know what to set for a fast confirmation?”
Gas cost monitoring for Base deployment
“I'm about to deploy a contract on Base — what are the current gas fees across all speed tiers and what's the native token price right now?”
Technical details
Endpoint
GEThttps://x402.deepsense.stream/api/v1/market/gas?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a complete, ready-to-use gas fee ladder (all speed tiers + native token price) for Ethereum, Base, or Solana in a single call. Prefer this over general blockchain RPC calls when you want pre-parsed, human-readable tier labels (slow/normal/fast) without doing raw fee computation yourself. Ideal for transaction builders, wallet UIs, and agents that need to recommend gas settings to users.
Side effects
- Missing or invalid 'chain' query parameter returns a validation error
- Unsupported chain value (anything other than sol, eth, base) returns an error
- Upstream gas oracle or price feed unavailability may cause 5xx errors
- Payment not received or x402 payment header missing returns a 402 Payment Required
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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