WasapFlow WhatsApp number check API pricing
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33% complete: 2 of the 6 fields on our checklistSee the 6 fields
$0.00per 1,000 phonesWe haven't run a WhatsApp number check API benchmark yet.This plan is free. 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 costs the least per 1,000 phones: $0.043. Wawp's €39 yearly plan costs the least for 10,000 phones a month: about $3.66.
Plan: Free to Start one of WasapFlow's 2 plans
Call:
GET / WasapFlow's only callAPI: WhatsApp number check API WasapFlow's only API
About this item
- Freshness. We don't know how fresh this plan's data is.
- 2 of the 6 fields on our checklist. On WhatsApp, WhatsApp ID.
- Nothing to pay. You get as many calls as you like.
- One call. You send
phoneand thex-waba-idheader toGET /. The call returns whether the number is on WhatsApp.contacts/ {phone} - Who can get it: with conditions. Keep data: no limit. Use data: with conditions.
WasapFlow: WhatsApp number check API alternatives
WasapFlow alternatives: other WhatsApp number check API providers by price
We list other providers' plans closest to this plan in price per 1,000 phones.
| This planWasapFlow, free | WhatsMCP, free | Wawp, free | WasenderAPI, free | Whapi.Cloud, free | Wablas, free | |
|---|---|---|---|---|---|---|
| $ per 1,000 phones | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 |
| Completeness | 33% | 67% | 33% | 17% | 17% | 0% |
| Billing | free | free | free | free | free | free |
| Pay | $0 | $0 | $0 | $0 | $0 | $0 |
| Enough for | no limit | no limit | not published | 3,000 calls a month | 30 results a day | not published |
| Freshness | unknown | live | live | live | stored | unknown |
| Who can get it | anyone aged 18 or over, or with legal parental/guardian consent, with a partner account: the first number is free for 3 days with no card, one free window per account | anyone using it for the purposes of their trade, business, craft or profession and not as a consumer, aged 18 or over, with a WhatsApp number they own or may link | anyone | anyone 18 years or older with a WhatsApp number to link to a session by QR code, no credit card required | anyone with a phone with WhatsApp Business or regular WhatsApp to link to a channel by QR code | anyone with a verified Wablas account |
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.
Product details
The key fields this plan's answer can hold, then each filled column in its row on the sheet.
- On WhatsApp
- Business account, not in the answer
- WhatsApp profile, not in the answer
- WhatsApp ID
- Formats, not in the answer
- Place, not in the answer
| $ per 1,000 phones | $0.00 |
|---|---|
| Per | call |
| Billing | free |
| Also pays for | 67 other WasapFlow calls |
|---|
| $ per 1,000 calls that find nothing | $0.00 |
|---|
| Their pitch | Always check if a number is on WhatsApp before sending to avoid failed deliveries and Meta penalties. |
|---|
| What it checks | messaging apps |
|---|---|
| Keep data | no limit |
| Use data | You agree NOT to use the Service to: Send spam, unsolicited messages, or bulk promotional content without consent. Harass, abuse, threaten, or intimidate others. Transmit malware, viruses, or harmful code. Violate WhatsApp Terms of Service or Business Policy. Impersonate any person or entity. Engage in illegal activities or promote illegal content. Collect user data without proper consent. As our Service integrates with WhatsApp Business API, you must comply with WhatsApp Business Terms of Service, WhatsApp Business Policy, WhatsApp Commerce Policy, and Meta Platform Terms. |
| Pay | $0 |
|---|---|
| Enough for | no limit |
| Batch | 1 |
|---|
| Answer | in the call |
|---|
| You send | phone, x-waba-id header |
|---|---|
| Method | GET |
| Path | /contacts/{phone} |
| Plan | Free to Start |
|---|---|
| Who can get it | anyone aged 18 or over, or with legal parental/guardian consent, with a partner account: the first number is free for 3 days with no card, one free window per account |
The 3 fields the plan's answer can hold
phone number, registered on WhatsApp, WhatsApp ID