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x402 Base Tools – ERC-20 Token Price on Base
x402
x402 Base Tools – ERC-20 Token Price on Base is a paid API for AI agents from wt7tysfcmjm8fpzl.68r.lambda-web.us-east-1.on.aws, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-30).
Returns the current USD price of any ERC-20 token on Base by reading Uniswap v3 and Aerodrome pool depths against USDC and WETH (with ETH/USD from Chainlink), flagging thin markets.
Price / call$0.002
Success—
StatusUnknown
How this service works
Base mainnet data for agents, read live from the chain and paid per call in USDC: gas prices and costs, token prices from Uniswap and Aerodrome pools, balances, token info, transaction decoding, x402 payment checks, EIP-3009 authorization status, Basenames and address profiles. Lookups of things that do not exist are not charged.
Output
Returns a JSON object with token metadata (symbol, address, decimals), the winning DEX source (pool address, quote asset, depth in USD), the current USD price as a float, and a boolean low_liquidity flag indicating whether the market is too thin to be reliable.
Example use cases
Live DeFi portfolio valuation
“I hold VIRTUAL, AERO, and DEGEN on Base — can you get me the current USD prices for all three so I can work out my portfolio value?”
Thin market liquidity warning
“Before I swap into BRETT on Base, can you check its current USD price and tell me whether the pool is too thin to trust the quote?”
Arbitrage price comparison
“What's cbBTC priced at in USD right now on Base — and which pool (Uniswap v3 or Aerodrome) is giving the deepest liquidity?”
Technical details
Endpoint
GEThttps://wt7tysfcmjm8fpzl.68r.lambda-web.us-east-1.on.aws/v1/price?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a real-time USD price for any ERC-20 token specifically on the Base network, sourced from on-chain DEX pools (Uniswap v3 and Aerodrome) rather than a centralized price feed. It is especially useful when you need per-pool depth data and a low-liquidity flag to assess price reliability — making it better than generic CEX price APIs for on-chain DeFi workflows on Base.
Side effects
- Unknown token symbol or unrecognized address returns an error or empty result
- Token exists but has no Uniswap v3 or Aerodrome pool — no price available
- Very low liquidity pools return a price but set low_liquidity: true
- Stale or manipulated thin pool may produce an unreliable price
- Network or Lambda timeout causes a 5xx error
- Malformed token address input causes a validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"token": {
"symbol": "AERO",
"address": "0x9401...",
"decimals": 18
},
"source": {
"dex": "aerodrome",
"pool": "0x...",
"quote": "USDC",
"depth_usd": 5000000
},
"price_usd": 0.83,
"low_liquidity": false
}
}Tags
x402
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