Wtsp pricing: phone validation API, GET /
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11% complete: 1 of the 9 fields on our checklistSee the 9 fields
$4.00per 1,000 phonesWe haven't run Wtsp through our phone validation API benchmark yet.We rank 1,184 plans for phone validation APIs by price. Half the plans cost $3.152 or less per 1,000 phones. This plan costs less per 1,000 phones than 45% of the 1,184 plans.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.
Plan: Pay per request one of Wtsp's 2 plans
- Pay as you go, Pay per requestPay per request$4.00 per 1,000
- Top-up from $1, API key creditAPI key credit$4.00 per 1,000
Call:
GET / one of Wtsp's 8 callsGET /Pay as you go, Pay per request$2.00 per 1,000v1/ carrier GET /Pay as you go, Pay per request$4.00 per 1,000v1/ exists GET /Pay as you go, Pay per request$6.00 per 1,000v1/ profile GET /Pay as you go, Pay per request$10.00 per 1,000v1/ profile/ full POST /, Bulk carrier lookupTop-up from $1, API key credit$2.00 per 1,000v1/ bulk POST /, Bulk WhatsApp checkTop-up from $1, API key credit$4.00 per 1,000v1/ bulk POST /, Bulk WhatsApp profileTop-up from $1, API key credit$6.00 per 1,000v1/ bulk POST /, Bulk WhatsApp profile + photoTop-up from $1, API key credit$10.00 per 1,000v1/ bulk
API: Phone validation API Wtsp's only API
About this item
- A copy at most 7 days old. Wtsp may answer from Wtsp's stored data instead of asking the carrier.
- 1 of the 9 fields on our checklist. Number.
- Nothing to buy first. You pay per call.
- One call. You send
phonetoGET /.v1/ exists - Anyone can get it. Keep data: no limit. Use data: with conditions.
Wtsp: phone validation API alternatives
Wtsp 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 or data at most a week old.
| This planWtsp, pay as you go, Pay per request, GET /v1/exists | Dexatel, pay as you go, 2M - 5M lookups | ProWebLook, $400 pack, WhatsApp One-Time 100K, GET /wavalidation | CommPeak, top-up from $25 | 2Chat, $480 yearly, Basic Plan, GET /open/whatsapp/check-number/{your-number}/{number-to-check}, Check Number, full | |
|---|---|---|---|---|---|
| $ per 1,000 phones | $4.00 | $4.00 | $4.00 | $4.00 | $4.00 |
| Completeness | 11% | 67% | 67% | 78% | 33% |
| Billing | pay as you go | pay as you go | pay first | pay first | yearly |
| Pay | per call | monthly | $400 | $25 | $480 |
| Enough for | as many as you pay for | as many as you pay for | 100,000 calls | 6,250 calls | 10,000 calls a month |
| Freshness | 7 days | live | live | live | live |
| Who can get it | anyone | anyone who passes Dexatel’s account verification, 18 or older | anyone | anyone at least 18 years old with the legal capacity to enter a binding agreement, with an account on a valid email address | anyone with a WhatsApp number connected to 2Chat, for use in the course of a business activity |
Sources
From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-06.
Product details
The key fields this plan's answer can hold, then each filled column in its row on the sheet.
- Number
- Formats, not in the answer
- 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
| $ per 1,000 phones | $4.00 |
|---|---|
| Per | call |
| Billing | pay as you go |
| Aggregators | none |
|---|
| Also pays for | nothing else |
|---|
| $ per 1,000 | $0.00 |
|---|
| Their pitch | Check if any number is on WhatsApp and see who's behind it, for you or your AI agent. |
|---|
| Freshness | 7 days |
|---|---|
| Countries | Worldwide |
| What it checks | messaging apps |
| Keep data | no limit |
| Use data | You are responsible for how you use the answers. You must: have a lawful reason to look up each number you send, and follow the privacy and data-protection laws that apply to you, such as the GDPR in Europe, follow anti-spam and marketing laws, and only message people who agreed to hear from you, follow WhatsApp's own terms when you contact people on WhatsApp. You must not use the service to: stalk, harass, threaten, track or spy on anyone, build profiles of people to sell, or to decide things about them such as hiring, housing, credit or insurance, send spam or messages people didn't agree to receive, commit fraud or impersonate anyone, look up a number whose owner opted out, by any route, overload, attack or reverse-engineer the service, or resell raw access to it as a competing lookup service. |
| Pay | per call |
|---|
| Batch | 1 |
|---|
| Answer | in the call |
|---|
| You send | phone |
|---|---|
| Method | GET |
| Path | /v1/exists |
| Plan | Pay per request |
|---|---|
| Who can get it | anyone |
The 3 fields the plan's answer can hold
phone number, on WhatsApp, checked at