
numlookupapi.com
6.7#3 in phone number validation softwareFrom $9.99 a monthFree planWebAPI
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| Fact | numlookupapi.com | Telephone |
|---|---|---|
| Reliability | The pricing FAQ reports 99.99% API uptime over the preceding 12 months and links users to a status page for current status. | The site advertises 99.99% uptime and enterprise SLAs. |
It suits people or teams that need line type, carrier, and reachability information for phone numbers. The free plan may fit lighter use within the 5,000-lookups-per-month limit.
Telephone suits developers and businesses that need real-time phone-number checks, carrier or line data, geographic details and bulk validation. It works with any HTTP client.