# Periskope, $35 monthly: Phone validation API

> Custom APIs and Webhooks for WhatsApp groups, chats and numbers (no Business API required)

Periskope's Pro plan lets you call the phone validation API. We check each provider's docs for 9 fields: Number, Formats, Validity, Type and 5 more. Periskope's docs list none of the 9.
You pay $35 a month. Periskope limits how many calls you get but gives no number.
We haven't run Periskope through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
This plan costs $35 a month. We rank 1,342 plans for phone validation APIs by price. Half the plans cost $3.867 or less per 1,000 phones.
[GuGuData's CNY 124 (about $19) monthly plan](https://datacircle.dev/validate-phone-apis/gugudata/cny-124-monthly/llms.txt) 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. [Keyronne's pay-as-you-go plan](https://datacircle.dev/validate-phone-apis/keyronne/pay-as-you-go/llms.txt) costs the least for 10,000 phones a month: $0.20.
[Trestle](https://datacircle.dev/validate-phone-apis/trestle/top-up-from-10-self-serve-pay-as-you-go-get-3-0-phone-intel-phone-validation-api/llms.txt), [Signal House](https://datacircle.dev/validate-phone-apis/signal-house/top-up-from-10/llms.txt) and [Data247](https://datacircle.dev/validate-phone-apis/data247/12-pack-membership-get-v3-0-verify247-phone/llms.txt) are the best phone validation API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-phone-apis/periskope/35-monthly
- [Phone validation API in 2026: the best of 60+ compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://periskope.app/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `POST https://api.periskope.app/v1/contacts/check`
- API key: with the plan, on https://periskope.app/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://docs.periskope.app/api-reference/contacts/check-contact?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: Periskope (https://periskope.app?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 0%

## Price

- Per: call
- Billing: monthly
- $ a month: $35

## Aggregators

- Aggregators: none

## Charges

- Also pays for: 100 other Periskope calls

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Custom APIs and Webhooks for WhatsApp groups, chats and numbers (no Business API required)

## Data

- Freshness: live
- What it checks: messaging apps
- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: $35

## Rate limit

- Per second: 100

## Speed

- Answer: in the call

## The call

- You send: contact_ids. Optional: x-phone
- Method: POST
- Path: /v1/contacts/check

## About the plan

- Plan: Pro
- Who can get it: anyone aged 18 or over

## The 2 fields the plan's answer can hold

contact ID, registered on WhatsApp

## Periskope's plans (3)

- [Periskope, $35 monthly](https://datacircle.dev/validate-phone-apis/periskope/35-monthly/llms.txt): 0% complete, live
- [Periskope, $300 yearly](https://datacircle.dev/validate-phone-apis/periskope/300-yearly/llms.txt): 0% complete, live
- [Periskope, contact us](https://datacircle.dev/validate-phone-apis/periskope/contact-us/llms.txt): 0% complete, live

## Periskope's calls (1)

- `POST /v1/contacts/check`: [Periskope, $35 monthly](https://datacircle.dev/validate-phone-apis/periskope/35-monthly/llms.txt)

## Periskope's APIs (1)

- [Periskope: phone validation API pricing, 3 plans](https://datacircle.dev/validate-phone-apis/periskope/35-monthly/llms.txt)

## Periskope: phone validation API alternatives

- [uazapi, R$29 monthly](https://datacircle.dev/validate-phone-apis/uazapi/r-29-monthly/llms.txt): 0% complete, live
- [WAME API, $59.90 monthly](https://datacircle.dev/validate-phone-apis/wame-api/59-90-monthly/llms.txt): 0% complete, live
- [WSAPI, $5 monthly, Single Instance, GET /users/{phone}/check](https://datacircle.dev/validate-phone-apis/wsapi/5-monthly-single-instance-get-users-phone-check/llms.txt): 0% complete, live
- [Fonnte, $2.50 monthly](https://datacircle.dev/validate-phone-apis/fonnte/2-50-monthly/llms.txt): 0% 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 2026-11-09.

- https://docs.periskope.app/api-reference/authorization?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://docs.periskope.app/api-reference/contacts/check-contact?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://periskope.app/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://periskope.app/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing