# Abstract API, free: Phone validation API

> Validate any phone number in real time and get its carrier, line type, and location.

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

- This page: https://datacircle.dev/validate-phone-apis/abstract-api/free
- Get it: https://www.abstractapi.com/pricing
- Its API docs: https://docs.abstractapi.com/api/phone-intelligence#validation-endpoint
- Sold by: Abstract API (https://www.abstractapi.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: Validate any phone number in real time and get its carrier, line type, and location.

## Data

- Freshness: 1 day
- Keep data: no limit, but no collection, database or directory compiled from it without Abstract's written permission
- Use data: not to advertise or offer to sell goods and services or to identify any household, street address or individual, not resold or made available to third parties, no spam, debt collection, FCRA, credit, insurance, employment or tenancy decisions, or political campaigns

## Plan

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

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: phone, country
- Method: GET
- Path: /v1/

## About the plan

- Plan: Free
- Who can get it: anyone

## The 29 fields in the plan's answer

phone number, international format, local format, carrier, line type, mobile country code, mobile network code, country, country code, country calling code, region, city, time zone, valid, line status, VoIP, minimum number age, SMS domain, SMS email, caller name, caller type, risk level, disposable, abuse detected, breach count, first breach date, last breach date, breached domain, breach date

## Abstract API's plans (34)

- [Abstract API, free](https://datacircle.dev/validate-phone-apis/abstract-api/free/llms.txt): $0.00 per 1,000, 1 day
- [Abstract API, $19 monthly, Professional, 2,000 requests / month](https://datacircle.dev/validate-phone-apis/abstract-api/19-monthly-professional-2000-requests-month/llms.txt): $9.50 per 1,000, 1 day
- [Abstract API, $19 monthly, Standard, 3,000 requests / month](https://datacircle.dev/validate-phone-apis/abstract-api/19-monthly-standard-3000-requests-month/llms.txt): $6.333 per 1,000, 1 day
- [Abstract API, $19 monthly, Starter, 5,000 requests / month](https://datacircle.dev/validate-phone-apis/abstract-api/19-monthly-starter-5000-requests-month/llms.txt): $3.80 per 1,000, 1 day
- [Abstract API, $39 monthly, Professional, 5,000 requests / month](https://datacircle.dev/validate-phone-apis/abstract-api/39-monthly-professional-5000-requests-month/llms.txt): $7.80 per 1,000, 1 day
- [Abstract API, $39 monthly, Standard, 7,000 requests / month](https://datacircle.dev/validate-phone-apis/abstract-api/39-monthly-standard-7000-requests-month/llms.txt): $5.571 per 1,000, 1 day
- [Abstract API, $39 monthly, Starter, 15,000 requests / month](https://datacircle.dev/validate-phone-apis/abstract-api/39-monthly-starter-15000-requests-month/llms.txt): $2.60 per 1,000, 1 day
- [Abstract API, $69 monthly, Professional, 10,000 requests / month](https://datacircle.dev/validate-phone-apis/abstract-api/69-monthly-professional-10000-requests-month/llms.txt): $6.90 per 1,000, 1 day
- [Abstract API, $69 monthly, Standard, 15,000 requests / month](https://datacircle.dev/validate-phone-apis/abstract-api/69-monthly-standard-15000-requests-month/llms.txt): $4.60 per 1,000, 1 day
- [Abstract API, $69 monthly, Starter, 30,000 requests / month](https://datacircle.dev/validate-phone-apis/abstract-api/69-monthly-starter-30000-requests-month/llms.txt): $2.30 per 1,000, 1 day
- [Abstract API, $99 monthly, Professional, 25,000 requests / month](https://datacircle.dev/validate-phone-apis/abstract-api/99-monthly-professional-25000-requests-month/llms.txt): $3.96 per 1,000, 1 day
- [Abstract API, $99 monthly, Standard, 30,000 requests / month](https://datacircle.dev/validate-phone-apis/abstract-api/99-monthly-standard-30000-requests-month/llms.txt): $3.30 per 1,000, 1 day
- [Abstract API, $99 monthly, Starter, 50,000 requests / month](https://datacircle.dev/validate-phone-apis/abstract-api/99-monthly-starter-50000-requests-month/llms.txt): $1.98 per 1,000, 1 day
- [Abstract API, $199 monthly, Professional, 50,000 requests / month](https://datacircle.dev/validate-phone-apis/abstract-api/199-monthly-professional-50000-requests-month/llms.txt): $3.98 per 1,000, 1 day
- [Abstract API, $199 monthly, Standard, 100,000 requests / month](https://datacircle.dev/validate-phone-apis/abstract-api/199-monthly-standard-100000-requests-month/llms.txt): $1.99 per 1,000, 1 day
- [Abstract API, $199 monthly, Starter, 150,000 requests / month](https://datacircle.dev/validate-phone-apis/abstract-api/199-monthly-starter-150000-requests-month/llms.txt): $1.327 per 1,000, 1 day
- [Abstract API, $209 yearly, Professional, 24,000 requests / year](https://datacircle.dev/validate-phone-apis/abstract-api/209-yearly-professional-24000-requests-year/llms.txt): $8.708 per 1,000, 1 day
- [Abstract API, $209 yearly, Standard, 36,000 requests / year](https://datacircle.dev/validate-phone-apis/abstract-api/209-yearly-standard-36000-requests-year/llms.txt): $5.806 per 1,000, 1 day
- [Abstract API, $209 yearly, Starter, 60,000 requests / year](https://datacircle.dev/validate-phone-apis/abstract-api/209-yearly-starter-60000-requests-year/llms.txt): $3.483 per 1,000, 1 day
- [Abstract API, $429 yearly, Professional, 60,000 requests / year](https://datacircle.dev/validate-phone-apis/abstract-api/429-yearly-professional-60000-requests-year/llms.txt): $7.15 per 1,000, 1 day
- [Abstract API, $429 yearly, Standard, 84,000 requests / year](https://datacircle.dev/validate-phone-apis/abstract-api/429-yearly-standard-84000-requests-year/llms.txt): $5.107 per 1,000, 1 day
- [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, 1 day
- [Abstract API, $759 yearly, Professional, 120,000 requests / year](https://datacircle.dev/validate-phone-apis/abstract-api/759-yearly-professional-120000-requests-year/llms.txt): $6.325 per 1,000, 1 day
- [Abstract API, $759 yearly, Standard, 180,000 requests / year](https://datacircle.dev/validate-phone-apis/abstract-api/759-yearly-standard-180000-requests-year/llms.txt): $4.217 per 1,000, 1 day
- [Abstract API, $759 yearly, Starter, 360,000 requests / year](https://datacircle.dev/validate-phone-apis/abstract-api/759-yearly-starter-360000-requests-year/llms.txt): $2.108 per 1,000, 1 day
- [Abstract API, $1,089 yearly, Professional, 300,000 requests / year](https://datacircle.dev/validate-phone-apis/abstract-api/1089-yearly-professional-300000-requests-year/llms.txt): $3.63 per 1,000, 1 day
- [Abstract API, $1,089 yearly, Standard, 360,000 requests / year](https://datacircle.dev/validate-phone-apis/abstract-api/1089-yearly-standard-360000-requests-year/llms.txt): $3.025 per 1,000, 1 day
- [Abstract API, $1,089 yearly, Starter, 600,000 requests / year](https://datacircle.dev/validate-phone-apis/abstract-api/1089-yearly-starter-600000-requests-year/llms.txt): $1.815 per 1,000, 1 day
- [Abstract API, $2,189 yearly, Professional, 600,000 requests / year](https://datacircle.dev/validate-phone-apis/abstract-api/2189-yearly-professional-600000-requests-year/llms.txt): $3.648 per 1,000, 1 day
- [Abstract API, $2,189 yearly, Standard, 1,200,000 requests / year](https://datacircle.dev/validate-phone-apis/abstract-api/2189-yearly-standard-1200000-requests-year/llms.txt): $1.824 per 1,000, 1 day
- [Abstract API, $2,189 yearly, Starter, 1,800,000 requests / year](https://datacircle.dev/validate-phone-apis/abstract-api/2189-yearly-starter-1800000-requests-year/llms.txt): $1.216 per 1,000, 1 day
- [Abstract API, $5,489 yearly, Professional, 1,800,000 requests / year](https://datacircle.dev/validate-phone-apis/abstract-api/5489-yearly-professional-1800000-requests-year/llms.txt): $3.049 per 1,000, 1 day
- [Abstract API, $5,489 yearly, Standard, 3,000,000 requests / year](https://datacircle.dev/validate-phone-apis/abstract-api/5489-yearly-standard-3000000-requests-year/llms.txt): $1.83 per 1,000, 1 day
- [Abstract API, contact us](https://datacircle.dev/validate-phone-apis/abstract-api/contact-us/llms.txt): 1 day

## Abstract API's calls (1)

- `GET /v1/`: [Abstract API, free](https://datacircle.dev/validate-phone-apis/abstract-api/free/llms.txt)

## Similar plans of other providers

- [Byteplant, free](https://datacircle.dev/validate-phone-apis/byteplant/free/llms.txt): $0.00 per 1,000, live
- [HLR Lookup, free](https://datacircle.dev/validate-phone-apis/hlr-lookup/free/llms.txt): $0.00 per 1,000, live
- [RealPhoneValidation, free](https://datacircle.dev/validate-phone-apis/realphonevalidation/free/llms.txt): $0.00 per 1,000, live
- [Twilio, free](https://datacircle.dev/validate-phone-apis/twilio/free/llms.txt): $0.00 per 1,000, live

## Sources

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

- https://docs.abstractapi.com/api/email-reputation
- https://docs.abstractapi.com/api/phone-intelligence
- https://www.abstractapi.com/api/phone-validation-api
- https://www.abstractapi.com/legal/dpa
- https://www.abstractapi.com/legal/legal
- https://www.abstractapi.com/pricing