# ProWebLook, free, signup credits, POST /wavalidation/batch: Phone validation API

> Validate up to 1,000 numbers per batch.

ProWebLook's phone validation API on its Free signup credits plan. It costs $0.00 per 1,000 phones. It returns 5 of the 9 key fields we check: Number, Formats, Validity, Carrier, Place.
The cheapest of the 302 plans we rank by price is [Twilio, top-up](https://datacircle.dev/validate-phone-apis/twilio/top-up/llms.txt). Twilio's phone validation API costs nothing beyond the plan price.

- This page: https://datacircle.dev/validate-phone-apis/proweblook/free-signup-credits-post-wavalidation-batch
- [Best phone validation API in 2026](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://proweblook.com/pricing
- Its API docs: https://proweblook.com/bulk-whatsapp-validation-api
- Sold by: ProWebLook (https://proweblook.com)
- Checked: 2026-10-27

## In the answer

- Completeness: 56%
- Number: ✓
- Formats: ✓
- Validity: ✓
- Carrier: ✓
- Place: ✓

## Price

- $ per 1,000 phones: $0.00
- Per: result
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Validate up to 1,000 numbers per batch.

## Data

- What it checks: numbering plan
- Keep data: no limit
- Use data: However, unless we expressly state otherwise, your rights do not include: (i) publicly performing or publicly displaying the Service, (ii) modifying or otherwise making any derivative uses of the Service or any portion thereof, (iii) using any data mining, robots or similar data gathering or extraction methods, (iv) downloading (other than page caching) of any portion of the Service or any information contained therein, (v) reverse engineering or accessing the Service in order to build a competitive product or service, or (vi) using the Service other than for its intended purposes.

## Plan

- Pay: $0
- You get: 50 credits
- Enough for: 50 results, once
- Expires: never

## Rate limit

- Batch: 1,000

## Speed

- Answer: by polling

## The call

- You send: phone_numbers
- Method: POST
- Path: /wavalidation/batch

## About the plan

- Plan: Free signup credits
- Who can get it: anyone

## The 8 fields the plan's answer can hold

phone number, valid, WhatsApp status, WhatsApp registered, business account, formatted number, carrier, country

## ProWebLook's plans (31)

- [ProWebLook, free, signup credits, POST /wavalidation/batch](https://datacircle.dev/validate-phone-apis/proweblook/free-signup-credits-post-wavalidation-batch/llms.txt): $0.00 per 1,000, 56% complete
- [ProWebLook, $4.99 pack](https://datacircle.dev/validate-phone-apis/proweblook/4-99-pack/llms.txt): $9.98 per 1,000, 67% complete
- [ProWebLook, $9.38 pack](https://datacircle.dev/validate-phone-apis/proweblook/9-38-pack/llms.txt): $1.876 per 1,000, 67% complete
- [ProWebLook, $9.99 pack, WhatsApp One-Time 500, POST /wavalidation/batch](https://datacircle.dev/validate-phone-apis/proweblook/9-99-pack-whatsapp-one-time-500-post-wavalidation-batch/llms.txt): $19.98 per 1,000, 56% complete
- [ProWebLook, $15 pack](https://datacircle.dev/validate-phone-apis/proweblook/15-pack/llms.txt): $1.50 per 1,000, 67% complete
- [ProWebLook, $37.50 pack](https://datacircle.dev/validate-phone-apis/proweblook/37-50-pack/llms.txt): $0.75 per 1,000, 67% complete
- [ProWebLook, $65 pack](https://datacircle.dev/validate-phone-apis/proweblook/65-pack/llms.txt): $0.65 per 1,000, 67% complete
- [ProWebLook, $80 pack, WhatsApp One-Time 10K, POST /wavalidation/batch](https://datacircle.dev/validate-phone-apis/proweblook/80-pack-whatsapp-one-time-10k-post-wavalidation-batch/llms.txt): $8.00 per 1,000, 56% complete
- [ProWebLook, $120 pack, WhatsApp One-Time 20K, POST /wavalidation/batch](https://datacircle.dev/validate-phone-apis/proweblook/120-pack-whatsapp-one-time-20k-post-wavalidation-batch/llms.txt): $6.00 per 1,000, 56% complete
- [ProWebLook, $250 pack, WhatsApp One-Time 50K, POST /wavalidation/batch](https://datacircle.dev/validate-phone-apis/proweblook/250-pack-whatsapp-one-time-50k-post-wavalidation-batch/llms.txt): $5.00 per 1,000, 56% complete
- [ProWebLook, $400 pack, WhatsApp One-Time 100K, POST /wavalidation/batch](https://datacircle.dev/validate-phone-apis/proweblook/400-pack-whatsapp-one-time-100k-post-wavalidation-batch/llms.txt): $4.00 per 1,000, 56% complete
- [ProWebLook, $3.99 monthly](https://datacircle.dev/validate-phone-apis/proweblook/3-99-monthly/llms.txt): $7.98 per 1,000, 67% complete
- [ProWebLook, $7.50 monthly](https://datacircle.dev/validate-phone-apis/proweblook/7-50-monthly/llms.txt): $1.50 per 1,000, 67% complete
- [ProWebLook, $7.99 monthly, WhatsApp Monthly 500, POST /wavalidation/batch](https://datacircle.dev/validate-phone-apis/proweblook/7-99-monthly-whatsapp-monthly-500-post-wavalidation-batch/llms.txt): $15.98 per 1,000, 56% complete
- [ProWebLook, $12 monthly](https://datacircle.dev/validate-phone-apis/proweblook/12-monthly/llms.txt): $1.20 per 1,000, 67% complete
- [ProWebLook, $30 monthly](https://datacircle.dev/validate-phone-apis/proweblook/30-monthly/llms.txt): $0.60 per 1,000, 67% complete
- [ProWebLook, $52 monthly](https://datacircle.dev/validate-phone-apis/proweblook/52-monthly/llms.txt): $0.52 per 1,000, 67% complete
- [ProWebLook, $64 monthly, WhatsApp Monthly 10K, POST /wavalidation/batch](https://datacircle.dev/validate-phone-apis/proweblook/64-monthly-whatsapp-monthly-10k-post-wavalidation-batch/llms.txt): $6.40 per 1,000, 56% complete
- [ProWebLook, $96 monthly, WhatsApp Monthly 20K, POST /wavalidation/batch](https://datacircle.dev/validate-phone-apis/proweblook/96-monthly-whatsapp-monthly-20k-post-wavalidation-batch/llms.txt): $4.80 per 1,000, 56% complete
- [ProWebLook, $200 monthly, WhatsApp Monthly 50K, POST /wavalidation/batch](https://datacircle.dev/validate-phone-apis/proweblook/200-monthly-whatsapp-monthly-50k-post-wavalidation-batch/llms.txt): $4.00 per 1,000, 56% complete
- [ProWebLook, $320 monthly, WhatsApp Monthly 100K, POST /wavalidation/batch](https://datacircle.dev/validate-phone-apis/proweblook/320-monthly-whatsapp-monthly-100k-post-wavalidation-batch/llms.txt): $3.20 per 1,000, 56% complete
- [ProWebLook, $38.30 yearly](https://datacircle.dev/validate-phone-apis/proweblook/38-30-yearly/llms.txt): $6.383 per 1,000, 67% complete
- [ProWebLook, $72 yearly](https://datacircle.dev/validate-phone-apis/proweblook/72-yearly/llms.txt): $1.20 per 1,000, 67% complete
- [ProWebLook, $76.70 yearly, WhatsApp Annual 500, POST /wavalidation/batch](https://datacircle.dev/validate-phone-apis/proweblook/76-70-yearly-whatsapp-annual-500-post-wavalidation-batch/llms.txt): $12.783 per 1,000, 56% complete
- [ProWebLook, $115.20 yearly](https://datacircle.dev/validate-phone-apis/proweblook/115-20-yearly/llms.txt): $0.96 per 1,000, 67% complete
- [ProWebLook, $288 yearly](https://datacircle.dev/validate-phone-apis/proweblook/288-yearly/llms.txt): $0.48 per 1,000, 67% complete
- [ProWebLook, $499.20 yearly](https://datacircle.dev/validate-phone-apis/proweblook/499-20-yearly/llms.txt): $0.416 per 1,000, 67% complete
- [ProWebLook, $614.40 yearly, WhatsApp Annual 10K, POST /wavalidation/batch](https://datacircle.dev/validate-phone-apis/proweblook/614-40-yearly-whatsapp-annual-10k-post-wavalidation-batch/llms.txt): $5.12 per 1,000, 56% complete
- [ProWebLook, $921.60 yearly, WhatsApp Annual 20K, POST /wavalidation/batch](https://datacircle.dev/validate-phone-apis/proweblook/921-60-yearly-whatsapp-annual-20k-post-wavalidation-batch/llms.txt): $3.84 per 1,000, 56% complete
- [ProWebLook, $1,920 yearly, WhatsApp Annual 50K, POST /wavalidation/batch](https://datacircle.dev/validate-phone-apis/proweblook/1920-yearly-whatsapp-annual-50k-post-wavalidation-batch/llms.txt): $3.20 per 1,000, 56% complete
- [ProWebLook, $3,072 yearly, WhatsApp Annual 100K, POST /wavalidation/batch](https://datacircle.dev/validate-phone-apis/proweblook/3072-yearly-whatsapp-annual-100k-post-wavalidation-batch/llms.txt): $2.56 per 1,000, 56% complete

## ProWebLook's calls for this API (3)

- `POST /wavalidation/batch`: [ProWebLook, free, signup credits, POST /wavalidation/batch](https://datacircle.dev/validate-phone-apis/proweblook/free-signup-credits-post-wavalidation-batch/llms.txt)
- `GET /wavalidation`: [ProWebLook, free, signup credits, GET /wavalidation](https://datacircle.dev/validate-phone-apis/proweblook/free-signup-credits-get-wavalidation/llms.txt)
- `GET /phonevalidation`: [ProWebLook, $4.99 pack](https://datacircle.dev/validate-phone-apis/proweblook/4-99-pack/llms.txt)

## ProWebLook's APIs (3)

- [ProWebLook: LinkedIn post details API pricing, 16 plans](https://datacircle.dev/linkedin-post-details-apis/proweblook/free/llms.txt)
- [ProWebLook: email verification API pricing, 16 plans](https://datacircle.dev/validate-email-apis/proweblook/free/llms.txt)
- [ProWebLook: phone validation API pricing, 31 plans, POST /wavalidation/batch](https://datacircle.dev/validate-phone-apis/proweblook/free-signup-credits-post-wavalidation-batch/llms.txt)

## ProWebLook: phone validation API alternatives

- [VerificarEmails, €220 pack, Syntax: 100,000 Phones, GET /phonesyntactic/validate/single](https://datacircle.dev/validate-phone-apis/verificaremails/220-pack-syntax-100000-phones-get-phonesyntactic-validate-single/llms.txt): $2.476 per 1,000, 67% complete
- [CallerAPI, contact us, Enterprise transparency $2,000, GET /api/network-lookup/{phone}](https://datacircle.dev/validate-phone-apis/callerapi/contact-us-enterprise-transparency-2000-get-api-network-lookup-phone/llms.txt): $2.50 per 1,000, 44% complete, live
- [CheckThatPhone, $306 yearly](https://datacircle.dev/validate-phone-apis/checkthatphone/306-yearly/llms.txt): $2.55 per 1,000, 78% complete, live (deactivation date, state DNC: 7 days)
- [HLR Lookup, £195 pack, 50,000 lookups, POST /apiv2/mnp, MNP-only lookup](https://datacircle.dev/validate-phone-apis/hlr-lookup/195-pack-50000-lookups-post-apiv2-mnp/llms.txt): $2.60 per 1,000, 89% 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 2026-10-27.

- https://docs.proweblook.com/api-reference/wa-batch-poll.md
- https://docs.proweblook.com/introduction.md
- https://proweblook.com/bulk-whatsapp-validation-api
- https://proweblook.com/generic/terms_conditions
- https://proweblook.com/linkedin-scraper
- https://proweblook.com/openapi.json
- https://proweblook.com/pricing