Datacircle

WhatsScale pricing: phone validation API

WhatsScale's siteThis page as plain textPhone validation API: the best of 50+ providers comparedWhatsScale: phone validation API alternatives

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22% complete: 2 of the 9 fields on our checklistSee the 9 fields
$0.00per 1,000 phonesWe haven't run WhatsScale through our phone validation API benchmark yet.This plan is free. We rank 1,266 plans for phone validation APIs by price. Half the plans cost $3.55 or less per 1,000 phones. See the best free phone validation API plan.GuGuData's CNY 124 (about $19) monthly plan is the cheapest paid plan per 1,000 phones. GuGuData's CNY 124 (about $19) monthly plan charges nothing per call. You get as many phones as GuGuData's rate limit allows. Neutrino API's On-Demand plan costs the least for 10,000 phones a month: $0.80.Trestle, Data247 and Abstract API are the best phone validation API providers in the Datacircle benchmark.
Type a number to see the cheapest WhatsScale plan for that many phones. The table below then sorts the other plans by what each costs.
Plan: Free one of WhatsScale's 5 plans
Call: POST /api/checkWhatsapp WhatsScale's only call
API: Phone validation API WhatsScale's only API

About this item

  • Live. WhatsScale checks the phone number you send when you call the API.
  • 2 of the 9 fields on our checklist. Number, Formats.
  • Nothing to pay. WhatsScale limits how many calls you get but gives no number.
  • One call. You send session and phone to POST /api/checkWhatsapp. You set the Content-Type header to "application/json".
  • Who can get it: anyone aged 18 or over with a WhatsApp account on a phone they own or control. Keep data: no limit. Use data: with conditions.

WhatsScale: phone validation API alternatives

WhatsScale alternatives: other phone validation API providers by price

We list other providers' plans closest to this plan in price per 1,000 phones. Each plan in the table gives live data.

This planWhatsScale, freeFoxentry, free trial, POST /phone/validate, Validate phone number (extended)HLR Lookups, free, 100 free lookups, POST /hlr-lookupsHLR Lookup, free, 200 free credits, POST /batches/{id}/sourcejson, Bulk uploads via APIseven.io, free test credit, GET /api/lookup/hlr
$ per 1,000 phones$0.00$0.00$0.00$0.00$0.00
Completeness22%56%56%89%78%
Billingfreefreefreefreefree
Pay$0$0$0$0$0
Enough fornot publishednot published100 results, once200 results, oncenot published
Freshnesslivelivelivelivelive
Who can get itanyone aged 18 or over with a WhatsApp account on a phone they own or controlanyone who signs up and creates an API projectnew accountsnew accounts with a business email addressnew accounts of traders: the customer assures that he is a trader and that the short messages are sent as part of his business

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.

  1. whatsscale.com/api-docs
  2. whatsscale.com/docs
  3. whatsscale.com/pricing
  4. whatsscale.com/terms

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

  • Number
  • Formats
  • Validity, not in the answer
  • Type, not in the answer
  • Carrier, not in the answer
  • Porting and roaming, not in the answer
  • Place, not in the answer
  • Risk, not in the answer
  • Owner, not in the answer
Price
$ per 1,000 phones$0.00
Percall
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays forSend Text Message
Not found
$ per 1,000$0.00
In their words
Their pitchCheck if a phone number is registered on WhatsApp before sending.
Data
Freshnesslive
What it checksmessaging apps
Keep datano limit
Use dataYou agree to use WhatsScale in compliance with all applicable laws and regulations. You must NOT use WhatsScale to: Send spam, unsolicited messages, or bulk promotional content. Harass, threaten, or abuse any individual or group. Distribute malware, phishing attempts, or fraudulent content. Send illegal content or promote illegal activities. Impersonate others or misrepresent your identity. Violate intellectual property rights of others. Collect personal data without proper consent. Interfere with or disrupt the service. Attempt to bypass security measures or rate limits. Important: You must comply with WhatsApp Terms of Service at all times. You are solely responsible for obtaining proper consent from recipients before sending them messages. When using the WhatsScale API, you agree to: Keep your API key confidential and secure. Not share your API key with unauthorized parties. Use the API in accordance with our documentation. Respect rate limits and fair usage guidelines. Regenerate your API key immediately if compromised.
Plan
Pay$0
Rate limit
Per second1.67
Batch1
Speed
Answerin the call
The call
You sendContent-Type header "application/json", session, phone
MethodPOST
Path/api/checkWhatsapp
About the plan
PlanFree
Who can get itanyone aged 18 or over with a WhatsApp account on a phone they own or control
The 4 fields the plan's answer can hold

registered on WhatsApp, phone number, formatted phone number, JID

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