numberintel.dev

Route probed: GET https://numberintel.dev/v1/npa
Category: eat:weather/geo/travel (tags: geo, people, identity, sms) · Status: listing listed, probe active · Listing: 0.02 USD, 3 payers / 4 calls (30d, Bazaar) · Listed in: agentic-market, cdp-bazaar
Last probe: 2026-10-23T12:43:27Z (2 h ago) · Recent valid 402: 1/1 · p50 196 ms
probe-only: no paid test-buys yet. No index until 3 paid buys on 3 different days.

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Paid test-buys

None yet.

Unpaid probes (newest first, up to 200; raw receipts are kept 7 days, then in the archive)

Receipt	UTC time	Method	Status	Valid 402	ms	Listed amount (atomic)	Quoted amount (atomic)	Quoted payTo	Header bytes	Response sha256	Signed	Route	Checks
e4f7cb435ca3f48169d7	2026-10-23T12:43:27Z	GET	402	yes	196	20000	20000	0x9A8dfBE7…	1940	44136fa355b3678a	snapshot	primary

Other listed routes

https://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 (cdp-bazaar)
https://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 (cdp-bazaar)
https://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, (cdp-bazaar)
https://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 (cdp-bazaar)
https://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 (cdp-bazaar)
https://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 (cdp-bazaar)

Seller? Reply or dispute. Amounts are in the asset's atomic units (USDC: 6 decimals).