# Abstract API vs Trestle

Last updated: November 10, 2026.

Trestle is ahead of Abstract API on phone validation APIs: Overall score 61.4 to 57.2.

## Phone validation API

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 57.2, Accuracy score 86, $3.80 per 1,000 phones
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

Every provider of this API, ranked: [Phone validation API: best providers in 2026](https://datacircle.dev/best-phone-validation-api)

## See also

- [Abstract API alternatives](https://datacircle.dev/abstract-api-alternatives)
- [Trestle alternatives](https://datacircle.dev/trestle-alternatives)
- [Abstract API vs Data247](https://datacircle.dev/abstract-api-vs-data247)
- [Signal House vs Trestle](https://datacircle.dev/signal-house-vs-trestle)
- [Data247 vs Trestle](https://datacircle.dev/data247-vs-trestle)