Endpoint · extractionGET402utils.com /v1/phone-check ?phone=%2B442079460958
Validate and normalize a phone number with full Google libphonenumber metadata: strict validity against each national numbering plan, E.164 / international / national formats…
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Validate and normalize a phone number with full Google libphonenumber metadata: strict validity against each national numbering plan, E.164 / international / national formats, country detection (correct across shared codes like +1 and +44) and line type (mobile, fixed_line, toll_free, voip…) where the plan distinguishes it. Pass ?country=FR to parse national formats. Local. ?attest=1 → Ed25519-signed.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.002 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://402utils.com/v1/phone-check?phone=%2B442079460958
Seen
first 34 days ago · last 12 days ago
54 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.5
UN
RATED
RATED
0.525 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by liveness · gap to 1.000 is 0.475: 0.054 uncertain ? + 0.421 short ? · 0.125 to C
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 0.63 | 0.542 | 0.325 | −0.221 | −0.054 | |
| 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 | 0.525 | gap to 1.000 = 0.475 · 0.421 short · 0.054 uncertain | 0.525 | −0.421 | −0.054 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.542 liveness
+ 0.200 × 0.000 latency p95
+ 0.200 × 1.000 price stability
= 0.525 → UNRATED: 49 of 30 paid calls weights 2026.09.5 · 49 samples · seed cap_01M1A5AG3NJJBPC8A1K4XJ6DT7|2026-08-26T09:33:55.181Z|2026.09.5
Verify it yourself
npx teppi-check https://402utils.com/v1/phone-check?phone=%2B442079460958curl -s https://api.teppi.xyz/v1/trust/cap_01M1A5AG3NJJBPC8A1K4XJ6DT7