Endpoint · extractionGETapi.sitecheck-api.workers.dev /api/user-agent ?ua=Mozilla%2F5.0+%28iPhone%3B+CPU+iPhone+OS+17_0+like+Mac+OS+X%29+AppleWebKit%2F605.1.15+%28KHTML%2C+like+Gecko%29+Version%2F17.0+Mobile%2F15E148+Safari%2F604.1
Parses a User-Agent string: browser and version, rendering engine, operating system and version, device type, vendor and model, CPU, and whether it is a known crawler (Googlebot…
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Parses a User-Agent string: browser and version, rendering engine, operating system and version, device type, vendor and model, CPU, and whether it is a known crawler (Googlebot, Bingbot, GPTBot, ClaudeBot, PerplexityBot, AhrefsBot and a few more) with its name. Optional Client Hints values (platform, mobile, model) are reported as given. Parsed with ua-parser-js 1.x (MIT). Pure code, no outside request.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://api.sitecheck-api.workers.dev/api/user-agent?ua=Mozilla%2F5.0+%28iPhone%3B+CPU+iPhone+OS+17_0+like+Mac+OS+X%29+AppleWebKit%2F605.1.15+%28KHTML%2C+like+Gecko%29+Version%2F17.0+Mobile%2F15E148+Safari%2F604.1
MCP server on this host: io.github.bck-stack/sitecheck
Seen
first 7 days ago · last 18 hr ago
7 free handshakes
Payment
Pays through
x402
Offered on?
Arc, Base USDC, Solana
Listed on?
Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.274 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 0.726: 0.526 uncertain ? + 0.200 short ? · 0.176 to D
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.123 | 0.074 | 0 | −0.526 | |
| 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 | 0.274 | gap to 1.000 = 0.726 · 0.200 short · 0.526 uncertain | 0.274 | −0.200 | −0.526 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.123 liveness
+ 0.200 × 0.000 latency p95
+ 0.200 × 1.000 price stability
= 0.274 → UNRATED: 7 of 30 paid calls weights 2026.09.6 · 7 samples · seed cap_01M51M0EQ5XD3BPGS3TM19W0ZP|2026-09-23T03:00:47.566Z|2026.09.6
Verify it yourself
npx teppi-check https://api.sitecheck-api.workers.dev/api/user-agent?ua=Mozilla%2F5.0+%28iPhone%3B+CPU+iPhone+OS+17_0+like+Mac+OS+X%29+AppleWebKit%2F605.1.15+%28KHTML%2C+like+Gecko%29+Version%2F17.0+Mobile%2F15E148+Safari%2F604.1curl -s https://api.teppi.xyz/v1/trust/cap_01M51M0EQ5XD3BPGS3TM19W0ZP