# Kiprio, free: Phone validation API

> One HTTP call returns the canonical E.164 form, line type, country, and national/international formatting for any phone number in any format — local, international, or national notation.

Kiprio's phone validation API on its Free plan. It costs $0.00 per 1,000 phones. It returns 5 of the 9 key fields we check: Number, Formats, Validity, Type, Place.
In [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt), the best plan from Kiprio scores 0.0 out of 100. Kiprio ranks 28th of 40 providers.
This plan is free. We rank 888 plans for phone validation APIs by price. Half the plans cost $3.376 per 1,000 phones or less.
[Botoi's $199 monthly plan](https://datacircle.dev/validate-phone-apis/botoi/199-monthly/llms.txt) is the cheapest paid plan per 1,000 phones: as little as $0.0066. Botoi's $199 monthly plan covers up to 1,000,000 phones a day.
[Data247](https://datacircle.dev/validate-phone-apis/data247/12-pack-membership-get-v3-0-verify247-phone/llms.txt), [Foxentry](https://datacircle.dev/validate-phone-apis/foxentry/top-up-pay-as-you-go-post-phone-validate-validate-phone-number-extended/llms.txt) and [HLR Lookups](https://datacircle.dev/validate-phone-apis/hlr-lookups/top-up-1-1m-post-hlr-lookup/llms.txt) are the best phone validation API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-phone-apis/kiprio/free
- [Phone validation API: 40+ providers compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://kiprio.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `GET https://kiprio.com/v1/phonenumber`
- API key: with the plan, on https://kiprio.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://kiprio.com/phonenumber-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Sold by: Kiprio (https://kiprio.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-02

## In the answer

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

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: nothing else

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: One HTTP call returns the canonical E.164 form, line type, country, and national/international formatting for any phone number in any format — local, international, or national notation.

## Data

- Freshness: stored
- Countries: Worldwide
- What it checks: numbering plan
- Keep data: no limit
- Use data: You may not use the Kiprio API to: Resell or sublicense access to the API without written permission, Conduct denial-of-service attacks or attempt to overwhelm the service, Scrape data in bulk for purposes that compete directly with Kiprio, Process data in violation of applicable law, including GDPR or other privacy regulations, Engage in any activity that is illegal, harmful, or abusive

## Plan

- Pay: $0
- You get: 100 requests a day
- Enough for: 100 calls a day

## Rate limit

- Per day: 100
- Per second: 0.17
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: phone. Optional: region
- Method: GET
- Path: /v1/phonenumber

## About the plan

- Plan: Free
- Who can get it: anyone aged 16 or over

## The 12 fields the plan's answer can hold

phone number, valid, possible, E.164 format, country calling code, national number, country, region code, line type, national format, international format, error

## Kiprio's plans (4)

- [Kiprio, free](https://datacircle.dev/validate-phone-apis/kiprio/free/llms.txt): $0.00 per 1,000, 56% complete, stored
- [Kiprio, $9 monthly](https://datacircle.dev/validate-phone-apis/kiprio/9-monthly/llms.txt): $0.03 per 1,000, 56% complete, stored
- [Kiprio, $49 monthly](https://datacircle.dev/validate-phone-apis/kiprio/49-monthly/llms.txt): $0.016 per 1,000, 56% complete, stored
- [Kiprio, contact us](https://datacircle.dev/validate-phone-apis/kiprio/contact-us/llms.txt): 56% complete, stored

## Kiprio's calls (1)

- `GET /v1/phonenumber`: [Kiprio, free](https://datacircle.dev/validate-phone-apis/kiprio/free/llms.txt)

## Kiprio's APIs (1)

- [Kiprio: phone validation API pricing, 4 plans](https://datacircle.dev/validate-phone-apis/kiprio/free/llms.txt)

## Kiprio: phone validation API alternatives

- [ReefAPI, $90 yearly, Pro yearly, POST /phone-validate/v1/batch](https://datacircle.dev/validate-phone-apis/reefapi/90-yearly-pro-yearly-post-phone-validate-v1-batch/llms.txt): $0.015 per 1,000, 67% complete, stored
- [Botoi, $49 monthly](https://datacircle.dev/validate-phone-apis/botoi/49-monthly/llms.txt): $0.016 per 1,000, 44% complete, stored
- [Neutrino API, $50 monthly](https://datacircle.dev/validate-phone-apis/neutrino-api/50-monthly/llms.txt): $0.017 per 1,000, 67% complete, stored
- [API Ninjas, $2,388 yearly, Professional, GET /v1/phonelookup](https://datacircle.dev/validate-phone-apis/api-ninjas/2388-yearly-professional-get-v1-phonelookup/llms.txt): $0.02 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 2026-11-02.

- https://kiprio.com/docs/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://kiprio.com/phonenumber-api/?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://kiprio.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://kiprio.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing