Endpoints: 28,729MCP servers: 18,413Payout addresses: 2,070Paid calls: 1,528Letters: 13Defects: 1,322counted 3 min ago
teppi

Endpoint · inferenceGETapi.x402node.dev/market/open-interest?coin=string&symbol=string

Live perpetual futures open interest for any crypto symbol from OKX - total outstanding contracts, a real-time positioning signal absent from LLM training data.
Read moreLive perpetual futures open interest for any crypto symbol from OKX - total outstanding contracts, a real-time positioning signal absent from LLM training data. open interest, futures oi, perpetual open interest, oi data, derivatives positioning Accepts payment on Base or Solana — either network works.
UNRATEDListedProse in the URL

Overview

Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.006 per call
Paid calls
none yet
delivery unknown until someone pays

More info

URL
https://api.x402node.dev/market/open-interest?coin=string&symbol=string
Seen
first 15 days ago · last 4 days ago
27 free handshakes

Payment

Pays through
x402
Offered on?
Base USDC, Solana
Listed on?
Base, Solana

Score, from free handshakes onlyweights 2026.09.6

0.624 liveness verified, no letter
To a letter · 30 paid calls
0 of 30

Held back by sample size, not by the seller · gap to 1.000 is 0.376: 0.296 uncertain ? + 0.080 short ? · 0.026 to C

How the composite of 0.624 is made up, part by part
ComponentWeightMeasuredLower bound ?AddsShort ?Uncertain ?
latency p95costs the most
it answered as fast as its class
0.20 0.60 0.000
0.000 −0.080−0.120
liveness
it answered at all
0.60 1.00 0.707
0.424 0−0.176
price stability
the price stayed where it was listed
0.20 1.00 1.000
0.200 00
Composite1.000.624gap to 1.000 = 0.376 · 0.080 short · 0.296 uncertain0.624−0.080−0.296

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

The multiplication, written out 0.200 × 0.000 latency p95 + 0.600 × 0.707 liveness + 0.200 × 1.000 price stability = 0.624 → UNRATED: 21 of 30 paid calls weights 2026.09.6 · 21 samples · seed cap_01M2W341TVRYZCMMGFA994V1G5|2026-08-31T07:43:36.905Z|2026.09.6
Verify it yourselfnpx teppi-check https://api.x402node.dev/market/open-interest?coin=string&symbol=stringcurl -s https://api.teppi.xyz/v1/trust/cap_01M2W341TVRYZCMMGFA994V1G5