Endpoints: 43,494MCP servers: 23,929Payout addresses: 2,662Paid calls: 3,678Letters: 63Defects: 1,878counted 1 min ago
teppi

Endpoint · computePOSTx402-agent-tools.nerolabs.workers.dev/phone-check

Checks up to 100 phone numbers from any country: valid or not, the number in international E.164 format (+441174960012) and national format, country, and line type (mobile…
Read moreChecks up to 100 phone numbers from any country: valid or not, the number in international E.164 format (+441174960012) and national format, country, and line type (mobile, landline, toll free, VoIP) from Google's libphonenumber data. Set defaultRegion (GB, US...) for numbers written without a country code. Does not call the number. $0.002 per number, $0.002 minimum. Same engine as nerolabs/phone-number-validator.
UNRATEDListed

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://x402-agent-tools.nerolabs.workers.dev/phone-check
Seen
first 1 day ago · last 14 hr ago
2 free handshakes

Payment

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

Score, from free handshakes onlyweights 2026.09.6

0.250 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 0.750: 0.750 uncertain ? + 0.000 short ? · 0.200 to D

How the composite of 0.250 is made up, part by part
ComponentWeightMeasuredLower bound ?AddsShort ?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 1.00 1.000
0.250 00
Composite1.000.250gap to 1.000 = 0.750 · 0.000 short · 0.750 uncertain0.250−0.000−0.750

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 × 1.000 latency p95 = 0.250 → UNRATED: 1 of 30 paid calls weights 2026.09.6 · 1 samples · seed cap_01M5H253P1KE7Z75P5N8RKK58K|2026-09-22T06:38:51.896Z|2026.09.6
Verify it yourselfnpx teppi-check https://x402-agent-tools.nerolabs.workers.dev/phone-checkcurl -s https://api.teppi.xyz/v1/trust/cap_01M5H253P1KE7Z75P5N8RKK58K