# Arch Tools, free: Phone validation API

> E.164 formatting, type (mobile/landline/VOIP), country code from any phone number. Powered by libphonenumber.

Arch Tools's phone validation API on its Free plan. It costs $0.00 per 1,000 phones. It returns 2 of the 9 key fields we check: Type, Place.
We haven't run Arch Tools through [our phone validation API benchmark](https://datacircle.dev/best-phone-validation-api.txt) yet.
This plan is free. We rank 935 plans for phone validation APIs by price. Half the plans cost $3.96 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), [Abstract API](https://datacircle.dev/validate-phone-apis/abstract-api/19-monthly-starter-5000-requests-month/llms.txt) and [Foxentry](https://datacircle.dev/validate-phone-apis/foxentry/top-up-pay-as-you-go-post-phone-validate-validate-phone-number-extended/llms.txt) are the best phone validation API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/validate-phone-apis/arch-tools/free
- [Phone validation API: the best of 40+ providers compared](https://datacircle.dev/best-phone-validation-api.txt)
- Get it: https://archtools.dev/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Request: `POST https://archtools.dev/v1/tools/phone-validate`
- API key: with the plan, on https://archtools.dev/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- Its API docs: https://archtools.dev/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing#phone-validate
- Sold by: Arch Tools (https://archtools.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing)
- Checked: 2026-11-05

## In the answer

- Completeness: 22%
- Type: ✓
- Place: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: 62 other calls

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: E.164 formatting, type (mobile/landline/VOIP), country code from any phone number. Powered by libphonenumber.

## Data

- Countries: Worldwide
- What it checks: numbering plan
- Keep data: no limit
- Use data: Your use of the Service is governed by our full Acceptable Use Policy, which is incorporated into these Terms. In summary, you agree not to: Use the Service for any unlawful purpose, or violate any third-party rights or applicable laws [...] Reverse engineer, scrape, copy, resell, or sublicense the Service, or resell, transfer, or redistribute your API key or credits [...] Attempt to exceed rate limits, bypass authentication or billing, or abuse the platform [...] Use the Service to generate spam, malware, phishing, or harmful content

## Plan

- Pay: $0
- You get: 100 credits
- Enough for: 50 calls

## Rate limit

- Per day: 500
- Per second: 0.17
- Concurrent: 5
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: phone. Optional: country
- Method: POST
- Path: /v1/tools/phone-validate

## About the plan

- Plan: Free
- Who can get it: anyone aged 18 or over with a valid email address

## The 3 fields the plan's answer can hold

E.164 number, line type, country code

## Arch Tools's plans (9)

- [Arch Tools, free](https://datacircle.dev/validate-phone-apis/arch-tools/free/llms.txt): $0.00 per 1,000, 22% complete
- [Arch Tools, $9 pack](https://datacircle.dev/validate-phone-apis/arch-tools/9-pack/llms.txt): $6.00 per 1,000, 22% complete
- [Arch Tools, $49 pack](https://datacircle.dev/validate-phone-apis/arch-tools/49-pack/llms.txt): $3.92 per 1,000, 22% complete
- [Arch Tools, $199 pack](https://datacircle.dev/validate-phone-apis/arch-tools/199-pack/llms.txt): $3.184 per 1,000, 22% complete
- [Arch Tools, $19 monthly](https://datacircle.dev/validate-phone-apis/arch-tools/19-monthly/llms.txt): $3.80 per 1,000, 22% complete
- [Arch Tools, $49 monthly](https://datacircle.dev/validate-phone-apis/arch-tools/49-monthly/llms.txt): $3.267 per 1,000, 22% complete
- [Arch Tools, $99 monthly](https://datacircle.dev/validate-phone-apis/arch-tools/99-monthly/llms.txt): $2.64 per 1,000, 22% complete
- [Arch Tools, $199 monthly](https://datacircle.dev/validate-phone-apis/arch-tools/199-monthly/llms.txt): $2.274 per 1,000, 22% complete
- [Arch Tools, contact us](https://datacircle.dev/validate-phone-apis/arch-tools/contact-us/llms.txt): 22% complete

## Arch Tools's calls for this API (1)

- `POST /v1/tools/phone-validate`: [Arch Tools, free](https://datacircle.dev/validate-phone-apis/arch-tools/free/llms.txt)

## Arch Tools's APIs (4)

- [Arch Tools: email verification API pricing, 9 plans](https://datacircle.dev/validate-email-apis/arch-tools/free/llms.txt)
- [Arch Tools: phone validation API pricing, 9 plans](https://datacircle.dev/validate-phone-apis/arch-tools/free/llms.txt)
- [Arch Tools: SERP API pricing, 9 plans](https://datacircle.dev/serp-apis/arch-tools/free/llms.txt)
- [Arch Tools: web scraping API pricing, 9 plans, POST /v1/tools/extract-metadata](https://datacircle.dev/web-scraping-apis/arch-tools/free-post-v1-tools-extract-metadata/llms.txt)
- [Arch Tools: web scraping API pricing, 9 plans, POST /v1/tools/extract-page](https://datacircle.dev/web-scraping-apis/arch-tools/free-post-v1-tools-extract-page/llms.txt)
- [Arch Tools: web scraping API pricing, 9 plans, POST /v1/tools/web-scrape](https://datacircle.dev/web-scraping-apis/arch-tools/free-post-v1-tools-web-scrape/llms.txt)

## Arch Tools: phone validation API alternatives

- [Trustfull, €5,000 pack, Pay as you go, €5,000 top-up, POST /phone-validation](https://datacircle.dev/validate-phone-apis/trustfull/5000-pack-pay-as-you-go-5000-top-up-post-phone-validation/llms.txt): $2.251 per 1,000, 44% complete
- [Messente, €199 monthly](https://datacircle.dev/validate-phone-apis/messente/199-monthly/llms.txt): $2.251 per 1,000, 33% complete
- [HLR Lookup, £680 pack, 200,000 lookups, POST /apiv2/mnp, MNP-only lookup](https://datacircle.dev/validate-phone-apis/hlr-lookup/680-pack-200000-lookups-post-apiv2-mnp/llms.txt): $2.267 per 1,000, 89% complete, live
- [Abstract API, $429 yearly, Starter, 180,000 requests / year](https://datacircle.dev/validate-phone-apis/abstract-api/429-yearly-starter-180000-requests-year/llms.txt): $2.383 per 1,000, 67% complete, 1 day

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-05.

- https://archtools.dev?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://archtools.dev/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://archtools.dev/faq?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://archtools.dev/legal/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://archtools.dev/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing
- https://archtools.dev/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=phone-validation-api-pricing