Endpoint · market dataGETx402.donnyautomation.com /optimism/scan ?minSpreadBps=20
Ranked cross-DEX arbitrage spreads across every liquid pair on OP Mainnet (SushiSwap and Uniswap v3 fee tiers).
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Ranked cross-DEX arbitrage spreads across every liquid pair on OP Mainnet (SushiSwap and Uniswap v3 fee tiers). Returns opportunities[] with pair, grossSpreadBps, buyAt, sellAt, optimalTradeSizeUsd, capturable. GROSS, before gas and MEV. Optional ?minSpreadBps=20 (default 10), minVenueTvlUsd, limit. Send one param: a bare call skips the free tier. Errors: 400 bad_min_spread. Scans EVERY pair; for one known pair use /route. Chain-pinned; bare /scan = 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/optimism/scan?minSpreadBps=20
Seen
first 34 days ago · last 6 days ago
60 free handshakes
Payment
Pays through
x402 · MPP evm
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.489 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by liveness · gap to 1.000 is 0.511: 0.090 uncertain ? + 0.421 short ? · 0.161 to C
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 0.63 | 0.482 | 0.289 | −0.221 | −0.090 | |
| 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 | 0.489 | gap to 1.000 = 0.511 · 0.421 short · 0.090 uncertain | 0.489 | −0.421 | −0.090 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.482 liveness
+ 0.200 × 0.000 latency p95
+ 0.200 × 1.000 price stability
= 0.489 → UNRATED: 56 of 30 paid calls weights 2026.09.6 · 56 samples · seed cap_01M1A59NK6PGGVYMNJ04S8RKN1|2026-09-02T13:44:21.013Z|2026.09.6
Verify it yourself
npx teppi-check https://x402.donnyautomation.com/optimism/scan?minSpreadBps=20curl -s https://api.teppi.xyz/v1/trust/cap_01M1A59NK6PGGVYMNJ04S8RKN1