Phone-Check.app, POST /v1-upload-phone-json: 13 phone validation API plans

Phone-Check.app's site llms.txt

22% complete: 2 of the 9 key fieldsSee which

$1.118per 1,000 phonesThe median plan costs $2.70 per 1,000. This plan costs less than 65% of the 113 priced plans.

Plan: 5,000 Credits one of Phone-Check.app's 13 plans

Call: POST /v1-upload-phone-json one of Phone-Check.app's 3 calls

About this item

Live. The call checks the number when you make it.
2 of the 9 key fields. Number, Its check.
A pack you buy once. You pay $5.59 for 5,000 credits, enough for 5,000 results. Credits never expire.
One call. You call POST /v1-upload-phone-json. Every input is optional: jsonData, phoneField, fileName, fileColumns. The call returns a job, and another call reads its answer.
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.

	This planPhone-Check.app, $5.59 pack, 5,000 Credits, POST /v1-upload-phone-json	Twilio, top-up	RealPhoneValidation, free	Xverify, $2,500 pack	Telnyx, $10 pack
$ per 1,000	$1.118	$0.00	$0.00	$1.00	$1.50
Completeness	22%	89%	44%	22%	67%
Billing	pay first	pay first	free	pay first	pay first
Pay	$5.59	any amount	$0	$2,500	$10
Enough for	5,000 results	no limit	100 calls, once	2,500,000 calls	about 6,666 calls
Freshness	live	live	live	live	live
Who can get it	anyone	businesses and professionals only	verifiable businesses, one trial a company, not with a free email address	anyone	organization owners of paid accounts (fraud review, card payment, verified mobile number, two-factor authentication, service address)

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-20.

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

Number
Formats, not in the answer
Its check
Type, not in the answer
Carrier, not in the answer
Porting and roaming, not in the answer
Place, not in the answer
Risk, not in the answer
Owner, not in the answer

Price
$ per 1,000	$1.118
Billing	pay first

Aggregators
Aggregators	none

Charges
Per	result
Also pays for	from the same budget: Validate a phone number · Get extended phone intelligence

In their words
Their pitch	Validate phone numbers before you create accounts, route leads, or launch campaigns. Check carrier, line type, portability, geography, and risk with one API.

Data
Freshness	live
Keep data	no limit, but after termination delete cached results unless you have a lawful reason to keep them
Use data	You may not use Phone-Check.app to: send spam, harassment, abusive messages, or unlawful communications, scrape, resell, or redistribute validation data as a competing phone intelligence product, reverse engineer, probe, overload, or bypass rate limits and security controls, validate numbers without a lawful basis or required consent for your intended use, upload data you are not allowed to process or share with us, or use the service in a way that violates telecommunications, privacy, sanctions, or consumer laws. [...] You must have the rights, permissions, notices, and legal basis needed to submit data to Phone-Check.app and use the returned results.

Plan
Pay	$5.59
You get	5,000 credits
Enough for	5,000 results
Expires	never

Rate limit
Batch	1,000,000

Speed
Answer	by polling

The call
You send	nothing required. Optional: jsonData, phoneField, fileName, fileColumns
Method	POST
Path	/v1-upload-phone-json

About the plan
Plan	5,000 Credits
Who can get it	anyone

The 12 fields the plan's answer can hold

phone number, valid, validation status, validation details, error, original data, batch ID, job status, total records, processed records, valid records, invalid records