Numlookup
FreemiumLiveLast verified 24 Sept 2026
Validates phone numbers worldwide and returns carrier, line type and location details.
Example request
curl -G 'https://api.numlookupapi.com/v1/validate/+14158586273' -H 'apikey: $API_KEY'
Free tier, in plain English
Free plan gives 100 requests total per month, rate-limited to 10 a minute, enough for testing but not real traffic.
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