# APILayer, free: Phone validation API

> Get your free API access key and start validating international and national phone numbers at the point of entry into your system with Numverify API.

APILayer's phone validation API on its Free Plan plan, $0.00 per 1,000 phones.

- This page: https://datacircle.dev/validate-phone-apis/apilayer/free
- Get it: https://mailboxlayer.com/pricing
- Its API docs: https://docs.apilayer.com/numverify/docs/getting-started
- Sold by: APILayer (https://apilayer.com)
- Checked: 2026-10-14

## Price

- $ per 1,000: $0.00
- Billing: free

## Charges

- Repeat free: never
- Per: call

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Get your free API access key and start validating international and national phone numbers at the point of entry into your system with Numverify API.

## Data

- Freshness: stored
- Keep data: until the agreement ends, not imported into data files or other software, nor archived or cached within another website, without apilayer's written permission
- Use data: only for reference by your application's end users, for their own personal use, not resold, redistributed (within your own organization too) or used for unsolicited bulk email

## Plan

- Pay: $0
- You get: 100 requests a month
- Enough for: 100 calls a month
- Expires: at the monthly reset, no rollover

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: number, country_code
- Method: GET
- Path: /validate

## About the plan

- Plan: Free Plan
- Who can get it: anyone, for non-commercial use only

## The 10 fields in the plan's answer

valid, phone number, local format, international format, country calling code, country code, country, location, carrier, line type

## APILayer's plans (8)

- [APILayer, free](https://datacircle.dev/validate-phone-apis/apilayer/free/llms.txt): $0.00 per 1,000, stored
- [APILayer, $14.99 monthly](https://datacircle.dev/validate-phone-apis/apilayer/14-99-monthly/llms.txt): $2.998 per 1,000, stored
- [APILayer, $59.99 monthly](https://datacircle.dev/validate-phone-apis/apilayer/59-99-monthly/llms.txt): $1.20 per 1,000, stored
- [APILayer, $129.99 monthly](https://datacircle.dev/validate-phone-apis/apilayer/129-99-monthly/llms.txt): $0.52 per 1,000, stored
- [APILayer, $161.99 yearly](https://datacircle.dev/validate-phone-apis/apilayer/161-99-yearly/llms.txt): $2.70 per 1,000, stored
- [APILayer, $629.99 yearly](https://datacircle.dev/validate-phone-apis/apilayer/629-99-yearly/llms.txt): $1.05 per 1,000, stored
- [APILayer, $1,325.99 yearly](https://datacircle.dev/validate-phone-apis/apilayer/1325-99-yearly/llms.txt): $0.442 per 1,000, stored
- [APILayer, contact us](https://datacircle.dev/validate-phone-apis/apilayer/contact-us/llms.txt): stored

## APILayer's calls (1)

- `GET /validate`: [APILayer, free](https://datacircle.dev/validate-phone-apis/apilayer/free/llms.txt)

## Similar plans of other providers

- [Melissa, $4.97 pack](https://datacircle.dev/validate-phone-apis/melissa/4-97-pack/llms.txt): $0.00 per 1,000, stored
- [NumLookupAPI, free](https://datacircle.dev/validate-phone-apis/numlookupapi/free/llms.txt): $0.00 per 1,000, stored
- [Trestle, free](https://datacircle.dev/validate-phone-apis/trestle/free/llms.txt): $0.00 per 1,000, stored
- [Veriphone, free](https://datacircle.dev/validate-phone-apis/veriphone/free/llms.txt): $0.00 per 1,000, stored

## Sources

From each provider's own pricing page and docs. We read this row from these pages on 2026-10-14.

- https://api.swaggerhub.com/apis/apilayer-863/numverify-api/1.0.0/swagger.json
- https://docs.apilayer.com/mailboxlayer/docs/api-documentation
- https://docs.apilayer.com/numverify/docs/api-documentation
- https://docs.apilayer.com/numverify/docs/getting-started
- https://mailboxlayer.com/permitted-prohibited-use
- https://mailboxlayer.com/pricing
- https://mailboxlayer.com/privacy
- https://mailboxlayer.com/service-agreement
- https://mailboxlayer.com/terms
- https://mediastack.com/faq
- https://mediastack.com/pricing
- https://mediastack.com/terms
- https://numverify.com/billing-overages-documentation
- https://numverify.com/faq
- https://numverify.com/product
- https://numverify.com/terms