# StarSender, Rp599,000 pack: WhatsApp number check API

> Untuk mengecek nomor, apakah terdaftar pada whatsapp / tidak. Diperlukan device dengan status connnected

StarSender's STARSENDER 6 Bulan plan lets you call the WhatsApp number check API. We check each provider's docs for 6 fields. StarSender's docs list 1: On WhatsApp.
You pay Rp599,000. StarSender limits how many calls you get but gives no number.
We haven't run a WhatsApp number check API benchmark yet.
This plan is a Rp599,000 pack. We rank 99 plans for WhatsApp number check APIs by price. Half the plans cost $3.20 or less per 1,000 phones.
[ZelNum's $500 pack](https://datacircle.dev/check-whatsapp-apis/zelnum/500-pack-pay-as-you-go-500-top-up-post-detect/llms.txt) costs the least per 1,000 phones: $0.043. [Wawp's €39 yearly plan](https://datacircle.dev/check-whatsapp-apis/wawp/39-yearly/llms.txt) costs the least for 10,000 phones a month: about $3.66.

- This page: https://datacircle.dev/check-whatsapp-apis/starsender/rp599000-pack
- Get it: https://starsender.id?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=whatsapp-number-check-api-pricing
- Request: `POST https://api.starsender.online/api/check-number`
- API key: with the plan, on https://starsender.id?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=whatsapp-number-check-api-pricing
- Its API docs: https://docs.starsender.online/docs/message-api/cek-nomor/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=whatsapp-number-check-api-pricing
- Sold by: StarSender (https://starsender.online?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=whatsapp-number-check-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 17%
- On WhatsApp: ✓

## Price

- Per: call
- Billing: pay first

## Charges

- Also pays for: Kirim Pesan

## Not found

- $ per 1,000 calls that find nothing: $0.00

## In their words

- Their pitch: Untuk mengecek nomor, apakah terdaftar pada whatsapp / tidak. Diperlukan device dengan status connnected

## Data

- What it checks: messaging apps
- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: Rp599,000
- Expires: 6 months

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: number
- Method: POST
- Path: /api/check-number

## About the plan

- Plan: STARSENDER 6 Bulan
- Who can get it: anyone

## The only field the plan's answer can hold

WhatsApp registered

## StarSender's plans (8)

- [StarSender, Rp599,000 pack](https://datacircle.dev/check-whatsapp-apis/starsender/rp599000-pack/llms.txt): 17% complete
- [StarSender, Rp749,000 pack](https://datacircle.dev/check-whatsapp-apis/starsender/rp749000-pack/llms.txt): 17% complete
- [StarSender, Rp799,000 pack](https://datacircle.dev/check-whatsapp-apis/starsender/rp799000-pack/llms.txt): 17% complete
- [StarSender, Rp949,000 pack](https://datacircle.dev/check-whatsapp-apis/starsender/rp949000-pack/llms.txt): 17% complete
- [StarSender, Rp1,049,000 pack](https://datacircle.dev/check-whatsapp-apis/starsender/rp1049000-pack/llms.txt): 17% complete
- [StarSender, Rp1,249,000 pack](https://datacircle.dev/check-whatsapp-apis/starsender/rp1249000-pack/llms.txt): 17% complete
- [StarSender, Rp5,000,000 pack](https://datacircle.dev/check-whatsapp-apis/starsender/rp5000000-pack/llms.txt): 17% complete
- [StarSender, Rp10,000,000 pack](https://datacircle.dev/check-whatsapp-apis/starsender/rp10000000-pack/llms.txt): 17% complete

## StarSender's calls (1)

- `POST /api/check-number`: [StarSender, Rp599,000 pack](https://datacircle.dev/check-whatsapp-apis/starsender/rp599000-pack/llms.txt)

## StarSender's APIs (1)

- [StarSender WhatsApp number check API pricing, 8 plans](https://datacircle.dev/check-whatsapp-apis/starsender/rp599000-pack/llms.txt)

## StarSender: WhatsApp number check API alternatives

[StarSender alternatives: other WhatsApp number check API providers by price](https://datacircle.dev/starsender-alternatives.txt)

We list other providers' plans that you pay for up front. These plans come closest to this plan in number of key fields.

- [Tamz, R$100 pack](https://datacircle.dev/check-whatsapp-apis/tamz/r-100-pack/llms.txt): 33% complete, live
- [Wawp, €119 pack](https://datacircle.dev/check-whatsapp-apis/wawp/119-pack/llms.txt): 33% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-09.

- https://docs.starsender.online/docs/message-api/cek-nomor/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=whatsapp-number-check-api-pricing
- https://docs.starsender.online/docs/message-api/kirim-pesan/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=whatsapp-number-check-api-pricing
- https://starsender.id?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=whatsapp-number-check-api-pricing
- https://starsender.online/register?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=whatsapp-number-check-api-pricing