# Listar vs ZelNum

Last updated: November 14, 2026.

ZelNum is ahead of Listar on WhatsApp number check APIs: Overall score 66.4 to 63.1.

## WhatsApp number check API

3. [Listar, top-up from €10](https://datacircle.dev/check-whatsapp-apis/listar/free#top-up-from-10): Overall score 63.1, Accuracy score 100, median answer time 0.47 s, $22.51 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

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