4 SMSUp alternatives in 2026
The best alternatives to SMSUp for phone validation APIs: Trestle, Data247 and Abstract API, by our benchmark. SMSUp's website is smsup.es.
Phone validation API alternatives
Trestle, Data247 and Abstract API are the best phone validation API providers in the Datacircle benchmark.
On our SMSUp plan pages, we compare each SMSUp plan with other providers' plans. We list other providers' plans below.
| Provider and plan | $ per 1,000 phones |
|---|---|
| CEQUENS, top-up, Usage-based, GET /discovery/hlr/v1/{number} | not published |
| Data247, $12 pack, Membership, GET /v3.0, Carrier247 (Carrier Type) | not published |
| Tamz, R$100 pack | not published |
| tyntec, top-up, Pay per number check, GET /gnv | not published |
Compare every phone validation API plan: Phone validation API pricing: free and cheapest plans compared