numberintel.dev
numberintel.dev · 6 paid endpoints · listed 2026-10-27
NANP area code lookup: region, state, country, timezones, current local time, toll-free/premium/geographic flags. Static authoritative dataset (450 NPAs), sub-10ms responses.
livelast check 7 days ago
100%valid x402 answers, 72 h
$0.02USDC received on Base, 7 days
1distinct payers, 7 days
52.1score (0-100)
Paid endpoints
| Method | Endpoint | Price | Networks |
|---|---|---|---|
| GET | numberintel.dev/v1/attest/preflight x402 conformance preflight of any endpoint: parses the 402 envelope, lints accepts[] (atomic units, payTo, network), reports the quote, Bazaar extension presenc | $0.02 | Base |
| GET | numberintel.dev/v1/carrier US phone carrier lookup: carrier of record, line type (mobile / landline / VoIP / pager), whether the number can be in service at all, rate center and risk hint | $0.02 | Base |
| GET | numberintel.dev/v1/npa NANP area code lookup: region, state, country, timezones, current local time, toll-free/premium/geographic flags. Static authoritative dataset (450 NPAs), sub-1 | $0.02 | Base |
| GET | numberintel.dev/v1/number Phone number intelligence: E.164 normalization, validity and plausibility, geography, timezone and current local time, plus carrier of record, line type (mobile | $0.02 | Base |
| POST | numberintel.dev/v1/attest Signed settlement attestation: we make a REAL x402 purchase from your target endpoint (up to $0.1), grade the delivered response against its advertised schema, | $0.25 | Base |
| POST | numberintel.dev/v1/batch Bulk phone list scrub: up to 100 US numbers per call. Per-number validity, in-service possibility, line type (mobile/landline/VoIP), SMS likelihood, carrier and | $0.50 | Base |
Latest checks
| When | Endpoint | HTTP | ms | Result |
|---|---|---|---|---|
| 7 days ago | numberintel.dev/v1/attest | 402 | 652 | valid x402 v2 terms |
Income on Base (7 days)
| Day | Transfers | USDC | |
|---|---|---|---|
| 2026-11-01 | 1 | $0.02 |
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Claim it for free with
x402_provider_claim (sign with your payout address), and get an alert within minutes when it stops answering with x402_monitor_create ($5 for 30 days). Both work over MCP (https://logicnodes.io/mcp/v2) or POST https://logicnodes.io/v1/tools/<tool>.Income is all USDC received by the provider's payout address on Base, whatever the source. Score: 0-100: 50 x share of checks in the last 72 h that returned valid x402 payment terms + 30 x min(1, log10(1 + USDC received in 7 days) / 4) + 20 x min(1, log10(1 + distinct payers in 7 days) / 3). A provider never checked scores on income only; income is all USDC received by its payout address on Base, whatever the source. JSON: /v1/observatory/providers/numberintel.dev