Endpoint · onchainGETx402.donnyautomation.com /base/price ?symbol=WETH
Spot token price in USD on Base, read from BaseSwap, SushiSwap and Uniswap v3 pools at call time.
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Spot token price in USD on Base, read from BaseSwap, SushiSwap and Uniswap v3 pools at call time. Returns priceUsd, the routed pair, backing liquidityUsd, confidence and blockNumber. Requires ?symbol=TICKER (e.g. WETH) or ?token=0xADDRESS. Errors: 400 missing_symbol|unknown_token, 404 no_reliable_price when pools are too thin, 502 upstream_read_failed. Depth is /liquidity; a size-aware quote is /slippage. Chain-pinned; bare /price = BSC.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.01 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://x402.donnyautomation.com/base/price?symbol=WETH
Seen
first 35 days ago · last 5 days ago
54 free handshakes
Payment
Pays through
x402 · MPP evm
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.5
UN
RATED
RATED
0.242 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by liveness · gap to 1.000 is 0.758: 0.129 uncertain ? + 0.628 short ? · 0.208 to D
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 0.29 | 0.070 | 0.042 | −0.428 | −0.129 | |
| latency p95 it answered as fast as its class |
0.20 | 0.00 | 0.000 | 0.000 | −0.200 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.242 | gap to 1.000 = 0.758 · 0.628 short · 0.129 uncertain | 0.242 | −0.628 | −0.129 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.070 liveness
+ 0.200 × 0.000 latency p95
+ 0.200 × 1.000 price stability
= 0.242 → UNRATED: 52 of 30 paid calls weights 2026.09.5 · 52 samples · seed cap_01M1A59NDGTEMKDY11JZ3AJWS1|2026-08-27T01:55:02.446Z|2026.09.5
Verify it yourself
npx teppi-check https://x402.donnyautomation.com/base/price?symbol=WETHcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A59NDGTEMKDY11JZ3AJWS1