# 10 NumberVerifyAPI alternatives in 2026

Last updated: November 14, 2026.

The best NumberVerifyAPI alternative for phone validation APIs is Trestle, then Signal House and Data247, by our benchmark. NumberVerifyAPI's website is numberverifyapi.com.

## Phone validation API alternatives

[NumberVerifyAPI](https://datacircle.dev/validate-phone-apis/numberverifyapi/free#9-99-pack) is #46 of the 66 providers we rank. Every provider of this API, ranked: [Phone validation API: best providers in 2026](https://datacircle.dev/best-phone-validation-api)

1. [Trestle, top-up from $10, Self-Serve, pay as you go](https://datacircle.dev/validate-phone-apis/trestle/free#top-up-from-10-self-serve-pay-as-you-go-get-3-0-phone-intel-phone-validation-api): Overall score 61.4, Accuracy score 93, median answer time under 0.1 s, $15.00 per 1,000 phones
2. [Signal House, top-up from $10](https://datacircle.dev/validate-phone-apis/signal-house/free#top-up-from-10): Overall score 60.4, Accuracy score 93, median answer time 0.34 s, $5.00 per 1,000 phones
3. [Data247, $12 pack, Membership](https://datacircle.dev/validate-phone-apis/data247/12-pack-membership-get-v3-0-verify247-phone): Overall score 60.0, Accuracy score 88, median answer time 0.27 s
4. [Abstract API, $19 monthly, Starter, 5,000 requests / month](https://datacircle.dev/validate-phone-apis/abstract-api/free#19-monthly-starter-5000-requests-month): Overall score 56.7, Accuracy score 86, median answer time under 0.1 s, $3.80 per 1,000 phones
5. [Foxentry, top-up, Pay as you go](https://datacircle.dev/validate-phone-apis/foxentry/free-trial-post-phone-validate-validate-phone-number-extended#top-up-pay-as-you-go-post-phone-validate-validate-phone-number-extended): Overall score 55.3, Accuracy score 93, median answer time 0.35 s, $26.00 per 1,000 phones
6. [HLR Lookups, top-up, 1 - 1M](https://datacircle.dev/validate-phone-apis/hlr-lookups/free-100-free-lookups-post-hlr-lookup#top-up-1-1m-post-hlr-lookup): Overall score 54.7, Accuracy score 79, median answer time 0.56 s, $11.25 per 1,000 phones

### Under half the top Accuracy score

44. [Lookify, $199 monthly](https://datacircle.dev/validate-phone-apis/lookify/199-monthly): Overall score 0.0, Accuracy score 0, no median answer time in our benchmark, $49.75 per 1,000 phones
45. [Neutrino API, pay as you go, On-Demand](https://datacircle.dev/validate-phone-apis/neutrino-api/free#pay-as-you-go-on-demand): Overall score 0.0, Accuracy score 0, no median answer time in our benchmark, $0.08 per 1,000 phones
47. [Numverify by APILayer, $14.99 monthly, Starter](https://datacircle.dev/validate-phone-apis/numverify-by-apilayer/free-plan#14-99-monthly-starter): Overall score 0.0, Accuracy score 0, no median answer time in our benchmark, $3.00 per 1,000 phones
48. [OpenLookup, $9 monthly](https://datacircle.dev/validate-phone-apis/openlookup/free#9-monthly): Overall score 0.0, Accuracy score 0, no median answer time in our benchmark, $1.80 per 1,000 phones

We give an Overall score of 0 to any provider with an Accuracy score of 0.

## See also

- [Trestle alternatives](https://datacircle.dev/trestle-alternatives)
- [Signal House alternatives](https://datacircle.dev/signal-house-alternatives)
- [Data247 alternatives](https://datacircle.dev/data247-alternatives)
- [Abstract API alternatives](https://datacircle.dev/abstract-api-alternatives)
- [Foxentry alternatives](https://datacircle.dev/foxentry-alternatives)
- [HLR Lookups alternatives](https://datacircle.dev/hlr-lookups-alternatives)
- [Lookify alternatives](https://datacircle.dev/lookify-alternatives)
- [Neutrino API alternatives](https://datacircle.dev/neutrino-api-alternatives)
- [Numverify by APILayer alternatives](https://datacircle.dev/numverify-by-apilayer-alternatives)
- [OpenLookup alternatives](https://datacircle.dev/openlookup-alternatives)