← All endpoints
numberintel.dev v1 npa
https://numberintel.dev/v1/npa
payable
NANP area code lookup: region, state, country, timezones, current local time, toll-free/premium/geographic flags. Static authoritative dataset (450 NPAs), sub-10ms responses.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.002
- Network
- base
- Pay to
- 0x9A8dfBE7A11ee89dD59D80c93AB0EfE00D5D5767
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 221 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:14:20.704Z (2d ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fnumberintel.dev%2Fv1%2Fnpa"