# Uniserv, free: Phone validation API

> The phone number analysis ensures that landline and mobile telephone numbers are correct. The data entered is checked for plausibility, converted into a uniform data format and checked for their type.

Uniserv's Free test requests plan for the phone validation API costs $0.00 per 1,000 phones. We check each provider's docs for 9 fields. Uniserv's docs list 3: Number, Type, Place.
We haven't run Uniserv through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
This plan is free. We rank 1,342 plans for phone validation APIs by price. Half the plans cost $3.867 or less per 1,000 phones. [See the best free phone validation API plan.](https://datacircle.dev/best-phone-validation-api.txt)
[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/uniserv/free
- [Phone validation API in 2026: the best of 60+ compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://connect.uniserv.com/registration?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `GET https://real-time.data-quality-service.com/rest/phone_number_analysis/analyse_phone`
- API key: with the plan, on https://connect.uniserv.com/registration?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://docs.uniserv.com/services/phonenumberanalysis/cloud/1.0/requests/analyze?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: Uniserv (https://www.uniserv.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 33%
- Number: ✓
- Type: ✓
- Place: ✓

## Price

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

## Aggregators

- Aggregators: none

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: The phone number analysis ensures that landline and mobile telephone numbers are correct. The data entered is checked for plausibility, converted into a uniform data format and checked for their type.

## Data

- What it checks: numbering plan
- Keep data: no limit
- Use data: The User may use the Application to process their data. [...] In the event of the copyright interests of UNISERV as Provider or Third Party being affected, the User will be granted an uncomplicated, non-transferable right of use limited to the duration of the Contract (simple licence). Granting of sub-licences is not permitted.

## Plan

- Pay: $0
- You get: 100 requests
- Enough for: 100 calls, once

## Speed

- Answer: in the call

## The call

- You send: in_phone. Optional: language, country, par_format
- Method: GET
- Path: /phone_number_analysis/analyse_phone

## About the plan

- Plan: Free test requests
- Who can get it: anyone

## The 11 fields the plan's answer can hold

input phone, input country, normalized country, country calling code, format, syntax, syntax text, type, type text, city, mobile carrier

## Uniserv's plans (3)

- [Uniserv, free](https://datacircle.dev/validate-phone-apis/uniserv/free/llms.txt): $0.00 per 1,000, 33% complete
- [Uniserv, contact us, Pay-as-you-go](https://datacircle.dev/validate-phone-apis/uniserv/contact-us-pay-as-you-go/llms.txt): 33% complete
- [Uniserv, contact us, Subscription](https://datacircle.dev/validate-phone-apis/uniserv/contact-us-subscription/llms.txt): 33% complete

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

- `GET /phone_number_analysis/analyse_phone`: [Uniserv, free](https://datacircle.dev/validate-phone-apis/uniserv/free/llms.txt)

## Uniserv's APIs (2)

- [Uniserv: email verification API pricing, 3 plans](https://datacircle.dev/validate-email-apis/uniserv/free/llms.txt)
- [Uniserv: phone validation API pricing, 3 plans](https://datacircle.dev/validate-phone-apis/uniserv/free/llms.txt)

## Uniserv: phone validation API alternatives

- [Trestle, free trial, GET /3.0/phone_intel](https://datacircle.dev/validate-phone-apis/trestle/free/llms.txt): $0.00 per 1,000, 56% complete, stored
- [Signal House, free](https://datacircle.dev/validate-phone-apis/signal-house/free/llms.txt): $0.00 per 1,000, 44% complete, live
- [Abstract API, free](https://datacircle.dev/validate-phone-apis/abstract-api/free/llms.txt): $0.00 per 1,000, 89% complete, 1 day
- [Foxentry, free trial, POST /phone/validate, Validate phone number (basic)](https://datacircle.dev/validate-phone-apis/foxentry/free-trial-post-phone-validate-validate-phone-number-basic/llms.txt): $0.00 per 1,000, 56% complete, stored
- [Tlaloc, free](https://datacircle.dev/validate-phone-apis/tlaloc/free/llms.txt): $0.00 per 1,000, 22% complete

## 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://connect.uniserv.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://connect.uniserv.com/registration?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://docs.uniserv.com/apikey?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://docs.uniserv.com/services/phonenumberanalysis/cloud/1.0?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://docs.uniserv.com/services/phonenumberanalysis/cloud/1.0/general/authentication?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://docs.uniserv.com/services/phonenumberanalysis/cloud/1.0/general/problems?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://docs.uniserv.com/services/phonenumberanalysis/cloud/1.0/requests/analyze?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://documents.connect.uniserv.com/UniservCloudGeneralTermsConditions_en.pdf?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://www.uniserv.com/en/software/phone-number-check?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing