# 10 Signal House alternatives in 2026

Last updated: November 10, 2026.

The best Signal House alternatives for phone validation APIs: Trestle, Data247 and Abstract API, by our benchmark of November 10, 2026. Signal House's website is signalhouse.io.

## Phone validation API alternatives

[Signal House](https://datacircle.dev/validate-phone-apis/signal-house/free#top-up-from-10) is #2 of the 58 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, $15.00 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 60.4, Accuracy score 88
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 57.1, Accuracy score 86, $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 55.2, Accuracy score 93, $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 54.6, Accuracy score 79, $11.25 per 1,000 phones
7. [Wavix, $250 monthly, Flex Pro](https://datacircle.dev/validate-phone-apis/wavix/250-monthly-flex-pro-get-v1-validation): Overall score 52.2, Accuracy score 93, $7.00 per 1,000 phones
8. [Verify550, $190 pack, 100,000 Credits](https://datacircle.dev/validate-phone-apis/verify550/20-pack-2500-credits-get-api-singlephone#190-pack-100000-credits-get-api-singlephone): Overall score 51.4, Accuracy score 89, $19.00 per 1,000 phones
9. [HLR Lookup, £370 (about $493) pack, 100,000 lookups](https://datacircle.dev/validate-phone-apis/hlr-lookup/free#370-pack-100000-lookups-post-apiv2-hlr): Overall score 51.1, Accuracy score 58, $4.93 per 1,000 phones
10. [seven.io, top-up, Prepaid balance](https://datacircle.dev/validate-phone-apis/seven-io/free-test-credit-get-api-lookup-hlr#top-up-prepaid-balance-get-api-lookup-hlr): Overall score 51.0, Accuracy score 79, $11.25 per 1,000 phones
11. [Zadarma, top-up](https://datacircle.dev/validate-phone-apis/zadarma/top-up): Overall score 50.5, Accuracy score 79, $7.00 per 1,000 phones

## See also

- [Trestle alternatives](https://datacircle.dev/trestle-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)
- [Wavix alternatives](https://datacircle.dev/wavix-alternatives)
- [Verify550 alternatives](https://datacircle.dev/verify550-alternatives)
- [HLR Lookup alternatives](https://datacircle.dev/hlr-lookup-alternatives)
- [Signal House vs Trestle](https://datacircle.dev/signal-house-vs-trestle)
- [Data247 vs Signal House](https://datacircle.dev/data247-vs-signal-house)