# NumRadar vs ZelNum

Last updated: November 14, 2026.

NumRadar is ahead of ZelNum on WhatsApp number check APIs: Overall score 73.6 to 66.4.

## WhatsApp number check API

1. [NumRadar, €249 monthly, Enterprise](https://datacircle.dev/check-whatsapp-apis/numradar/9-monthly-starter-post-validate#249-monthly-enterprise-post-validate): Overall score 73.6, Accuracy score 100, median answer time 0.82 s, $0.93 per 1,000 phones
2. [ZelNum, $200 pack, Pay as you go, $200 top-up](https://datacircle.dev/check-whatsapp-apis/zelnum/free#200-pack-pay-as-you-go-200-top-up-post-realtime-check-series): Overall score 66.4, Accuracy score 100, median answer time 0.62 s, $7.27 per 1,000 phones

Every provider of this API, ranked: [WhatsApp number check API: best providers in 2026](https://datacircle.dev/best-whatsapp-number-check-api)

## See also

- [NumRadar alternatives](https://datacircle.dev/numradar-alternatives)
- [ZelNum alternatives](https://datacircle.dev/zelnum-alternatives)
- [Listar vs NumRadar](https://datacircle.dev/listar-vs-numradar)
- [Listar vs ZelNum](https://datacircle.dev/listar-vs-zelnum)