Phone validation API

Abstract API, free

Abstract API's site llms.txt

$0.00per 1,000 phones

Plan: Free one of Abstract API's 34 plans

FreeFree$0.00 per 1,000
$19 monthly, Professional, 2,000 requests / monthProfessional, 2,000 requests / month$9.50 per 1,000
$19 monthly, Standard, 3,000 requests / monthStandard, 3,000 requests / month$6.333 per 1,000
$19 monthly, Starter, 5,000 requests / monthStarter, 5,000 requests / month$3.80 per 1,000
$39 monthly, Professional, 5,000 requests / monthProfessional, 5,000 requests / month$7.80 per 1,000
$39 monthly, Standard, 7,000 requests / monthStandard, 7,000 requests / month$5.571 per 1,000
$39 monthly, Starter, 15,000 requests / monthStarter, 15,000 requests / month$2.60 per 1,000
$69 monthly, Professional, 10,000 requests / monthProfessional, 10,000 requests / month$6.90 per 1,000
$69 monthly, Standard, 15,000 requests / monthStandard, 15,000 requests / month$4.60 per 1,000
$69 monthly, Starter, 30,000 requests / monthStarter, 30,000 requests / month$2.30 per 1,000
$99 monthly, Professional, 25,000 requests / monthProfessional, 25,000 requests / month$3.96 per 1,000
$99 monthly, Standard, 30,000 requests / monthStandard, 30,000 requests / month$3.30 per 1,000
$99 monthly, Starter, 50,000 requests / monthStarter, 50,000 requests / month$1.98 per 1,000
$199 monthly, Professional, 50,000 requests / monthProfessional, 50,000 requests / month$3.98 per 1,000
$199 monthly, Standard, 100,000 requests / monthStandard, 100,000 requests / month$1.99 per 1,000
$199 monthly, Starter, 150,000 requests / monthStarter, 150,000 requests / month$1.327 per 1,000
$209 yearly, Professional, 24,000 requests / yearProfessional, 24,000 requests / year$8.708 per 1,000
$209 yearly, Standard, 36,000 requests / yearStandard, 36,000 requests / year$5.806 per 1,000
$209 yearly, Starter, 60,000 requests / yearStarter, 60,000 requests / year$3.483 per 1,000
$429 yearly, Professional, 60,000 requests / yearProfessional, 60,000 requests / year$7.15 per 1,000
$429 yearly, Standard, 84,000 requests / yearStandard, 84,000 requests / year$5.107 per 1,000
$429 yearly, Starter, 180,000 requests / yearStarter, 180,000 requests / year$2.383 per 1,000
$759 yearly, Professional, 120,000 requests / yearProfessional, 120,000 requests / year$6.325 per 1,000
$759 yearly, Standard, 180,000 requests / yearStandard, 180,000 requests / year$4.217 per 1,000
$759 yearly, Starter, 360,000 requests / yearStarter, 360,000 requests / year$2.108 per 1,000
$1,089 yearly, Professional, 300,000 requests / yearProfessional, 300,000 requests / year$3.63 per 1,000
$1,089 yearly, Standard, 360,000 requests / yearStandard, 360,000 requests / year$3.025 per 1,000
$1,089 yearly, Starter, 600,000 requests / yearStarter, 600,000 requests / year$1.815 per 1,000
$2,189 yearly, Professional, 600,000 requests / yearProfessional, 600,000 requests / year$3.648 per 1,000
$2,189 yearly, Standard, 1,200,000 requests / yearStandard, 1,200,000 requests / year$1.824 per 1,000
$2,189 yearly, Starter, 1,800,000 requests / yearStarter, 1,800,000 requests / year$1.216 per 1,000
$5,489 yearly, Professional, 1,800,000 requests / yearProfessional, 1,800,000 requests / year$3.049 per 1,000
$5,489 yearly, Standard, 3,000,000 requests / yearStandard, 3,000,000 requests / year$1.83 per 1,000
Contact usEnterprise

Call: GET /v1/ Abstract API's only call

GET /v1/Free$0.00 per 1,000

About this item

A copy at most 1 day old. You may get Abstract API's answer from an earlier check of the number.
Nothing to pay. You get 100 requests a month, enough for 100 calls a month.
One call. You send phone, country to GET /v1/. The call returns whether the number is valid.
Anyone can get it. Keep data: with conditions. Use data: with conditions.

Compare with similar plans

Other providers' plans with the closest prices per 1,000. Like this plan, each is live or a copy at most a day old.

	This planAbstract API, free	Byteplant, free	HLR Lookup, free	RealPhoneValidation, free	Twilio, free
$ per 1,000	$0.00	$0.00	$0.00	$0.00	$0.00
Billing	free	free	free	free	free
Pay	$0	$0	$0	$0	$0
Enough for	100 calls a month	100 calls, once	200 results, once	100 calls, once	100 calls, once
Freshness	1 day	live	live	live	live
Who can get it	anyone	businesses and professionals with a business email, once each	new accounts with a business email address	verifiable businesses, one trial a company, not with a free email address	new accounts of businesses and professionals, in the trial's countries, for 30 days

Sources

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

Product details

We list each column of this plan's row on the sheet that has a value.

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