Endpoint · extractionPOSTx402-gateway-production-1f21.up.railway.app /metadata-single
Extract webpage metadata, OpenGraph and JSON-LD for one public URL.
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Extract webpage metadata, OpenGraph and JSON-LD for one public URL. Scalar single-URL contract for MCP and autonomous buyer runtimes.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.001 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://x402-gateway-production-1f21.up.railway.app/metadata-single
Seen
first 16 hr ago · last 16 hr ago
1 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.224 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 0.776: 0.750 uncertain ? + 0.026 short ? · 0.226 to D
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.75 | 1.00 | 0.000 | 0.000 | 0 | −0.750 | |
| latency p95 it answered as fast as its class |
0.25 | 0.90 | 0.896 | 0.224 | −0.026 | 0 | |
| Composite | 1.00 | 0.224 | gap to 1.000 = 0.776 · 0.026 short · 0.750 uncertain | 0.224 | −0.026 | −0.750 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check; price stability · nothing to score
The multiplication, written out
0.750 × 0.000 liveness
+ 0.250 × 0.896 latency p95
= 0.224 → UNRATED: 1 of 30 paid calls weights 2026.09.6 · 1 samples · seed cap_01M42Q640917855E5NECJ37Z5E|2026-09-04T07:41:48.926Z|2026.09.6
Verify it yourself
npx teppi-check https://x402-gateway-production-1f21.up.railway.app/metadata-singlecurl -s https://api.teppi.xyz/v1/trust/cap_01M42Q640917855E5NECJ37Z5E