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numberintel.dev

NANP area code lookup: region, state, country, timezones, current local time, toll-free/premium/geographic flags. Static authoritative dataset (450 NPAs), sub-10ms responses.

Visit numberintel.dev

Host	numberintel.dev
Price	$0.02–$0.50 per call
Network	Base
Paid endpoints listed	6
Calls, last 30 days*	25
Most unique payers on one endpoint (30 days)*	3
Last paid call*	2026-10-16

* From the public x402 Bazaar index (snapshot 2026-10-18T04:07Z); reported by the facilitator, not measured by us.

Endpoints

URL	Method	Price
`https://numberintel.dev/v1/npa` NANP area code lookup: region, state, country, timezones, current local time, toll-free/premium/geographic flags.…	GET	$0.02
`https://numberintel.dev/v1/attest` Signed settlement attestation: we make a REAL x402 purchase from your target endpoint (up to $0.1), grade the…	POST	$0.25
`https://numberintel.dev/v1/number` Phone number intelligence: E.164 normalization, validity and plausibility, geography, timezone and current local time,…	GET	$0.02
`https://numberintel.dev/v1/attest/preflight` x402 conformance preflight of any endpoint: parses the 402 envelope, lints accepts[] (atomic units, payTo, network),…	GET	$0.02
`https://numberintel.dev/v1/batch` Bulk phone list scrub: up to 100 US numbers per call. Per-number validity, in-service possibility, line type…	POST	$0.50
`https://numberintel.dev/v1/carrier` US phone carrier lookup: carrier of record, line type (mobile / landline / VoIP / pager), whether the number can be in…	GET	$0.02

Source: x402 Bazaar discovery API (Coinbase CDP) · Licence: Public discovery metadata; descriptions by each provider. Listed in x402 pay-per-call APIs. We list tools; we do not test, rate or endorse them.

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