# 10 alternatives to 1s2u in 2026

Last updated: November 7, 2026.

Other providers sell phone validation APIs like 1s2u's. Veriphone, 2Chat and HLR Lookup each cost $2.00 per 1,000 phones.

## Phone validation API alternatives

On our 1s2u plan pages, we compare each 1s2u plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 phones first.

- [Veriphone, $999 pack, 5,000,000 credits, GET /v3/verify, /v3/verify, full](https://datacircle.dev/validate-phone-apis/veriphone/free-post-v3-file-verify#999-pack-5000000-credits-get-v3-verify-v3-verify-full): $2.00 per 1,000 phones
- [2Chat, $480 yearly, Basic Plan, GET /open/whatsapp/check-number/{your-number}/{number-to-check}, Check Number](https://datacircle.dev/validate-phone-apis/2chat/free-trial-get-open-whatsapp-check-number-your-number-number-to-check-check-number#480-yearly-basic-plan-get-open-whatsapp-check-number-your-number-number-to-check-check-number): $2.00 per 1,000 phones
- [HLR Lookup, £900 pack, 300,000 lookups, POST /apiv2/mnp, MNP-only lookup](https://datacircle.dev/validate-phone-apis/hlr-lookup/free-200-free-credits-post-apiv2-mnp#900-pack-300000-lookups-post-apiv2-mnp): $2.00 per 1,000 phones
- [NumRadar, €9 monthly, Starter, POST /validate](https://datacircle.dev/validate-phone-apis/numradar/9-monthly-starter-post-validate): $2.03 per 1,000 phones
- [CallerAPI, $2,000 monthly, Enterprise transparency $2,000, GET /api/network-lookup/{phone}](https://datacircle.dev/validate-phone-apis/callerapi/free-trial-get-api-network-lookup-phone#2000-monthly-enterprise-transparency-2000-get-api-network-lookup-phone): $2.50 per 1,000 phones
- [Number Portability Lookup, top-up](https://datacircle.dev/validate-phone-apis/number-portability-lookup/free#top-up): $2.50 per 1,000 phones
- [MTS Exolve, top-up, Basic: 1-50,000 requests a month](https://datacircle.dev/validate-phone-apis/mts-exolve/free-300-post-hlr-v1-getbasenumberinfo#top-up-1-50-000): $2.98 per 1,000 phones
- [Notificore, top-up from ₽150, Lookup in Russia, POST /rest/hlr/check](https://datacircle.dev/validate-phone-apis/notificore/top-up-from-150-post-rest-hlr-check): $2.98 per 1,000 phones
- [CheckThatPhone, $30 monthly](https://datacircle.dev/validate-phone-apis/checkthatphone/free#30-monthly): $3.00 per 1,000 phones
- [HLR Lookups, top-up from €22,500, 7.5M - 10M, POST /mnp-lookup](https://datacircle.dev/validate-phone-apis/hlr-lookups/free-100-free-lookups-post-mnp-lookup#top-up-from-22500-7-5m-10m-post-mnp-lookup): $3.38 per 1,000 phones

Compare every phone validation API plan: [Phone validation API pricing: free and cheapest plans compared](https://datacircle.dev/phone-validation-api-pricing)