# ProWebLook, $4.99 pack: Cached phone validation API

> Validate and enrich a phone number with carrier, line type, location, timezone, and more.

ProWebLook's cached phone validation API on its Phone Validation One-Time 500 plan. It costs $9.98 per 1,000 phones. It returns 6 of the 9 key fields we check: Number, Formats, Validity, Type, Carrier, Place.
Half of the 109 plans we rank by price cost $1.80 per 1,000 phones or less. This plan is cheaper than 17% of the 109 plans.
The cheapest plan we rank by price is [seven.io, free](https://datacircle.dev/cached-phone-validation-apis/seven-io/free/llms.txt), at $0.00 per 1,000 phones.
[HLR Lookups](https://datacircle.dev/validate-phone-apis/hlr-lookups/top-up-1-1m-post-hlr-lookup/llms.txt), [CallerAPI](https://datacircle.dev/validate-phone-apis/callerapi/25-monthly-basic-get-api-network-lookup-phone/llms.txt) and [HLR Lookup](https://datacircle.dev/validate-phone-apis/hlr-lookup/370-pack-100000-lookups-post-apiv2-hlr/llms.txt) are the best phone validation API providers in our benchmark.

- This page: https://datacircle.dev/cached-phone-validation-apis/proweblook/4-99-pack
- [Best phone validation API in 2026](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://proweblook.com/pricing
- Request: `GET https://lookup.proweblook.com/api/v1/phonevalidation`
- API key: with the plan, on https://proweblook.com/pricing
- Its API docs: https://docs.proweblook.com/api-reference/phone-validation
- Sold by: ProWebLook (https://proweblook.com)
- Checked: 2026-10-27

## In the answer

- Completeness: 67%
- Number: ✓
- Formats: ✓
- Validity: ✓
- Type: ✓
- Carrier: ✓
- Place: ✓

## Score

- Overall score: 0.0. We give it 0 overall because its Data score is 0.
- Price score: 16
- Data score: 0
- Cost to get started score: 93
- Bundle score: 0
- Performance score: 0. We could not measure how fast this provider answers a call, so we count it as 0.

## Price

- $ per 1,000 phones: $9.98
- Per: call
- Billing: pay first

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## In their words

- Their pitch: Validate and enrich a phone number with carrier, line type, location, timezone, and more.

## Data

- Freshness: stored
- Countries: Worldwide
- 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: $4.99
- You get: 500 credits
- Enough for: 500 calls
- Expires: never

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: phone_number. Optional: country_code
- Method: GET
- Path: /phonevalidation

## About the plan

- Plan: Phone Validation One-Time 500
- Who can get it: anyone

## The 13 fields the plan's answer can hold

valid, formatted number, line type, carrier, location, country calling code, country code, country, national format, international format, timezone, rate limit remaining, rate limit reset seconds

## ProWebLook's plans (15)

- [ProWebLook, $4.99 pack](https://datacircle.dev/cached-phone-validation-apis/proweblook/4-99-pack/llms.txt): $9.98 per 1,000, 67% complete, stored
- [ProWebLook, $9.38 pack](https://datacircle.dev/cached-phone-validation-apis/proweblook/9-38-pack/llms.txt): $1.876 per 1,000, 67% complete, stored
- [ProWebLook, $15 pack](https://datacircle.dev/cached-phone-validation-apis/proweblook/15-pack/llms.txt): $1.50 per 1,000, 67% complete, stored
- [ProWebLook, $37.50 pack](https://datacircle.dev/cached-phone-validation-apis/proweblook/37-50-pack/llms.txt): $0.75 per 1,000, 67% complete, stored
- [ProWebLook, $65 pack](https://datacircle.dev/cached-phone-validation-apis/proweblook/65-pack/llms.txt): $0.65 per 1,000, 67% complete, stored
- [ProWebLook, $3.99 monthly](https://datacircle.dev/cached-phone-validation-apis/proweblook/3-99-monthly/llms.txt): $7.98 per 1,000, 67% complete, stored
- [ProWebLook, $7.50 monthly](https://datacircle.dev/cached-phone-validation-apis/proweblook/7-50-monthly/llms.txt): $1.50 per 1,000, 67% complete, stored
- [ProWebLook, $12 monthly](https://datacircle.dev/cached-phone-validation-apis/proweblook/12-monthly/llms.txt): $1.20 per 1,000, 67% complete, stored
- [ProWebLook, $30 monthly](https://datacircle.dev/cached-phone-validation-apis/proweblook/30-monthly/llms.txt): $0.60 per 1,000, 67% complete, stored
- [ProWebLook, $52 monthly](https://datacircle.dev/cached-phone-validation-apis/proweblook/52-monthly/llms.txt): $0.52 per 1,000, 67% complete, stored
- [ProWebLook, $38.30 yearly](https://datacircle.dev/cached-phone-validation-apis/proweblook/38-30-yearly/llms.txt): $6.383 per 1,000, 67% complete, stored
- [ProWebLook, $72 yearly](https://datacircle.dev/cached-phone-validation-apis/proweblook/72-yearly/llms.txt): $1.20 per 1,000, 67% complete, stored
- [ProWebLook, $115.20 yearly](https://datacircle.dev/cached-phone-validation-apis/proweblook/115-20-yearly/llms.txt): $0.96 per 1,000, 67% complete, stored
- [ProWebLook, $288 yearly](https://datacircle.dev/cached-phone-validation-apis/proweblook/288-yearly/llms.txt): $0.48 per 1,000, 67% complete, stored
- [ProWebLook, $499.20 yearly](https://datacircle.dev/cached-phone-validation-apis/proweblook/499-20-yearly/llms.txt): $0.416 per 1,000, 67% complete, stored

## ProWebLook's calls for this API (1)

- `GET /phonevalidation`: [ProWebLook, $4.99 pack](https://datacircle.dev/cached-phone-validation-apis/proweblook/4-99-pack/llms.txt)

## ProWebLook's APIs (6)

- [ProWebLook: SERP API pricing, 6 plans](https://datacircle.dev/serp-apis/proweblook/free/llms.txt)
- [ProWebLook: LinkedIn post details API pricing, 16 plans](https://datacircle.dev/linkedin-post-details-apis/proweblook/free/llms.txt)
- [ProWebLook: LinkedIn post search API pricing, 16 plans](https://datacircle.dev/linkedin-post-search-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, 16 plans, POST /wavalidation/batch](https://datacircle.dev/validate-phone-apis/proweblook/free-signup-credits-post-wavalidation-batch/llms.txt)
- [ProWebLook: phone validation API pricing, 16 plans, GET /wavalidation](https://datacircle.dev/validate-phone-apis/proweblook/free-signup-credits-get-wavalidation/llms.txt)
- [ProWebLook: cached phone validation API pricing, 15 plans](https://datacircle.dev/cached-phone-validation-apis/proweblook/4-99-pack/llms.txt)

## ProWebLook: cached phone validation API alternatives

- [APILayer, $14.99 monthly, Starter](https://datacircle.dev/cached-phone-validation-apis/apilayer/14-99-monthly-starter/llms.txt): $2.998 per 1,000, 67% complete, stored
- [CallerAPI, $25 monthly](https://datacircle.dev/cached-phone-validation-apis/callerapi/25-monthly/llms.txt): $5.00 per 1,000, 78% complete, stored
- [Veriphone, $129.90 yearly, Starter, GET /v3/verify, /v3/verify, full](https://datacircle.dev/cached-phone-validation-apis/veriphone/129-90-yearly-starter-get-v3-verify-v3-verify-full/llms.txt): $10.825 per 1,000, 78% complete, stored
- [Trestle, top-up from $10, Self-Serve, pay as you go, GET /3.0/phone_intel, Phone Validation API](https://datacircle.dev/cached-phone-validation-apis/trestle/top-up-from-10/llms.txt): $15.00 per 1,000, 67% complete, stored

## 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/phone-validation
- https://docs.proweblook.com/authentication.md
- https://docs.proweblook.com/introduction.md
- https://proweblook.com/generic/terms_conditions
- https://proweblook.com/linkedin-scraper
- https://proweblook.com/openapi.json
- https://proweblook.com/phone-number-validator
- https://proweblook.com/pricing