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api.usenami.io/v1/perp/arbitrage/price

● verified · data.markets · 0.003 USDC/call · base

Cross-venue mark-price spread scan for crypto perpetuals — where the same perp trades at different marks across venues. Quoted spread is not net edge: it excludes fees, slippage and funding differences.

Endpoint

https://api.usenami.io/v1/perp/arbitrage/price

Verification

100%reputation score
7probes total
780ms~latency
3m agolast passed

On-chain payments

296USDC payments, 30d
30distinct paying wallets
$0.88USDC received, 30d
11listings share this payTo
2026-08-06: 67 payments, 3 payers, $0.202026-08-07: 16 payments, 3 payers, $0.022026-08-08: 7 payments, 1 payers, $0.012026-08-09: 2 payments, 1 payers, $0.002026-08-10: 3 payments, 2 payers, $0.002026-08-11: 15 payments, 3 payers, $0.042026-08-12: 28 payments, 1 payers, $0.152026-08-14: 4 payments, 1 payers, $0.012026-08-15: 28 payments, 1 payers, $0.142026-08-16: 4 payments, 2 payers, $0.012026-08-17: 2 payments, 1 payers, $0.002026-08-21: 4 payments, 1 payers, $0.022026-08-22: 5 payments, 3 payers, $0.012026-08-23: 32 payments, 10 payers, $0.042026-08-24: 23 payments, 8 payers, $0.032026-08-27: 8 payments, 1 payers, $0.022026-08-30: 1 payments, 1 payers, $0.012026-08-31: 8 payments, 7 payers, $0.012026-09-01: 34 payments, 4 payers, $0.162026-09-02: 1 payments, 1 payers, $0.002026-09-03: 1 payments, 1 payers, $0.012026-09-04: 2 payments, 2 payers, $0.002026-09-05: 1 payments, 1 payers, $0.00

Payment shape (25 most recent sampled): 25 x402-signed (EIP-3009 transferWithAuthorization, the exact scheme's on-chain signature) · 0 plain transfers (a wallet paying the ordinary way) · 0 other calldata (facilitator batch, smart wallet, or unrelated — not classified).

Peak day 2026-08-06: 67 payments. Last indexed day 2026-09-05: 1. Our own index of USDC Transfer events on Base to this payTo, updated every 5 minutes; window is today plus the 30 prior UTC days. Base USDC only — a seller settling elsewhere reads as quiet here. These figures belong to the address, which 11 listings declare — they are not this route's alone, and must not be summed across listings. Methodology.

last 7 probes, oldest → newest · 100% pass · re-probed several times an hour from nohumans infrastructure — never self-reported

Paid verification

Not yet paid-verified. Probe-based status above is liveness only.

Badge

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Machine interface

curl https://nohumans.directory/v1/listings/6b7e7d59-bee

Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes. Works for submitted listings too, and recovers a lost token.