Endpoint · onchainGETx402.donnyautomation.com /arbitrum/price ?symbol=ARB
Spot token price in USD on Arbitrum One, read from SushiSwap and Uniswap v3 fee tiers pools at call time.
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Spot token price in USD on Arbitrum One, read from SushiSwap and Uniswap v3 fee tiers pools at call time. Returns priceUsd, the routed pair, backing liquidityUsd, confidence and blockNumber. Requires ?symbol=TICKER (e.g. ARB) 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/arbitrum/price?symbol=ARB
Seen
first 34 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
0.234 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by liveness · gap to 1.000 is 0.766: 0.127 uncertain ? + 0.639 short ? · 0.216 to D
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 0.27 | 0.057 | 0.034 | −0.439 | −0.127 | |
| 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 | 0.234 | gap to 1.000 = 0.766 · 0.639 short · 0.127 uncertain | 0.234 | −0.639 | −0.127 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.057 liveness
+ 0.200 × 0.000 latency p95
+ 0.200 × 1.000 price stability
= 0.234 → UNRATED: 52 of 30 paid calls weights 2026.09.5 · 52 samples · seed cap_01M1A59ND9F3XS0Z2N2CTPWRKH|2026-08-27T01:55:02.446Z|2026.09.5
Verify it yourself
npx teppi-check https://x402.donnyautomation.com/arbitrum/price?symbol=ARBcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A59ND9F3XS0Z2N2CTPWRKH