nft-signal

NFT Alpha: OpenSea market signals for watched collection slugs.

NFT Alpha: OpenSea market signals for watched collection slugs. Body: { collection } or { collections[] }; omit the body to query all watched collections. Signals: HIGH_DEMAND, UNDERPRICED_LISTING, BID_FRENZY, DUMP_WARNING, LOW_DEMAND. Full contract: /openapi.json + /.well-known/x402.json. Not financial advice.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.02 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x7861db4e…560f1393

URL

https://nft-alpha-x402.fly.dev/api/nft-signal

Seen

first 23 days ago · last 7 days ago

57 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.441 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by liveness · gap to 1.000 is 0.559: 0.211 uncertain ? + 0.348 short ? · 0.009 to D

How the composite of 0.441 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
livenesscosts the most it answered at all	0.60	0.75	0.402		0.241	−0.148	−0.211
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		0.441	gap to 1.000 = 0.559 · 0.348 short · 0.211 uncertain	0.441	−0.348	−0.211

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

The multiplication, written out

  0.600 × 0.402   liveness       
+ 0.200 × 0.000   latency p95    
+ 0.200 × 1.000   price stability
= 0.441           → UNRATED: 52 of 30 paid calls      weights 2026.09.6 · 52 samples · seed cap_01M27FXZH6X2XDEF85X3T2VAW7|2026-09-02T16:53:51.369Z|2026.09.6

Verify it yourselfnpx teppi-check https://nft-alpha-x402.fly.dev/api/nft-signalcurl -s https://api.teppi.xyz/v1/trust/cap_01M27FXZH6X2XDEF85X3T2VAW7