{"provider":{"host":"numberintel.dev","name":"numberintel.dev","score":52.1,"live":true,"checkedAt":"2026-10-27T19:42:09.753Z","uptime72h":100,"lastCheck":{"httpStatus":402,"ms":652,"note":"valid x402 v2 terms"},"endpoints":6,"networks":["eip155:8453"],"cheapestUsd":"0.02","income7dUsd":"0.02","payers7d":1,"transfers7d":1,"payoutAddressShared":false,"claimed":false,"page":"https://logicnodes.io/observatory/p/numberintel.dev"},"endpoints":[{"url":"https://numberintel.dev/v1/attest/preflight","method":"GET","priceMicroUsd":20000,"networks":["eip155:8453"],"description":"x402 conformance preflight of any endpoint: parses the 402 envelope, lints accepts[] (atomic units, payTo, network), reports the quote, Bazaar extension presence and problems. No purchase is made."},{"url":"https://numberintel.dev/v1/carrier","method":"GET","priceMicroUsd":20000,"networks":["eip155:8453"],"description":"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 hints for any US or US-territory number. NANPA public numbering data refreshed weekly; block-level, so ported numbers keep their original carrier."},{"url":"https://numberintel.dev/v1/npa","method":"GET","priceMicroUsd":20000,"networks":["eip155:8453"],"description":"NANP area code lookup: region, state, country, timezones, current local time, toll-free/premium/geographic flags. Static authoritative dataset (450 NPAs), sub-10ms responses."},{"url":"https://numberintel.dev/v1/number","method":"GET","priceMicroUsd":20000,"networks":["eip155:8453"],"description":"Phone number intelligence: E.164 normalization, validity and plausibility, geography, timezone and current local time, plus carrier of record, line type (mobile/landline/VoIP) and in-service possibility for US numbers."},{"url":"https://numberintel.dev/v1/attest","method":"POST","priceMicroUsd":250000,"networks":["eip155:8453"],"description":"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, and return an EIP-191-signed attestation embedding the on-chain USDC receipt. Proof-of-real-delivery for directories, reputation systems and sellers."},{"url":"https://numberintel.dev/v1/batch","method":"POST","priceMicroUsd":500000,"networks":["eip155:8453"],"description":"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 timezone, plus summary counts. Clean SMS and outreach lists before sending."}]}