seven.io pricing and alternatives: cached phone validation API

56% complete: 5 of the 9 key fields we checkSee the 9 fields

$0.00per 1,000 phonesHalf of the 78 plans we rank by price cost $1.688 per 1,000 or less. This plan is the cheapest of the 78 plans.

Plan: Free seven.io's only plan

Call: GET /api/lookup/format seven.io's only call

API: Cached phone validation API one of seven.io's 2 APIs

About this item

Stored. seven.io may skip the carrier and answer from data it keeps. seven.io doesn't say how old the data is.
5 of the 9 key fields we check. Number, Formats, Type, Carrier, Place.
Nothing to pay. seven.io limits how many results you get, but doesn't say how many.
One call. You send number to GET /api/lookup/format.
Who can get it: with conditions. Keep data: no limit. Use data: with conditions.

We list other providers' plans closest to this plan in price per 1,000 phones. Each plan in the table gives stored data.

	This planseven.io, free	Neutrino API, free	Strale, free	Botoi, free	Trestle, free
$ per 1,000	$0.00	$0.00	$0.00	$0.00	$0.00
Completeness	56%	67%	56%	44%	56%
Billing	free	free	free	free	free
Pay	$0	$0	$0	$0	$0
Enough for	not published	not published	not published	1,000 calls a day	25 calls, once
Freshness	stored	stored	stored	stored	stored
Who can get it	any seven account, traders only: the customer assures that he is a trader and that the short messages are sent as part of his business	anyone	anyone who signs up, one trial credit per email address	anyone 18 or older	companies, with a business email address

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-25.

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

Score
Overall score	0.0. We give it 0 overall because its Data score is 0.
Price score	100
Data score	0
Cost to get started score	100
Bundle score	0
Performance score	0. We could not measure how fast this provider answers a call, so we count it as 0.

Price
$ per 1,000	$0.00
Billing	free

Aggregators
Aggregators	none

Charges
Per	result
Also pays for	nothing else

Not found
$ per 1,000	$0.00

In their words
Their pitch	You can use this endpoint to format and check phone numbers. Check a phone number for validity, which mobile network a phone number belongs to, format a phone number in national and international format or check whether a phone number exists and is logged into the mobile network.

Data
Freshness	stored
Keep data	no limit
Use data	“Both contracting parties undertake to keep all information and data received from the contracting party in connection with the execution of this contract confidential and not to make it accessible to third parties, as far as and as long as this information is not generally available [...]” [...] “The services offered by seven.io are aimed exclusively at traders. By concluding the contract, the customer assures that he is a trader and that the short messages are sent as part of his business.” [...] “The customer is solely responsible for the operation, marketing and permissibility of the operated services using seven.io’s gateway.” [...] “The customer assures not to forward any messages to the Gateway or any other seven.io applications that violates any laws or rights of third parties.” [...] “The customer must observe the national and international copyright, patent, name and trademark rights as well as other industrial property rights and personal rights of third parties.”

Plan
Pay	$0

Speed
Answer	in the call

About the plan
Plan	Free
Who can get it	any seven account, traders only: the customer assures that he is a trader and that the short messages are sent as part of his business

The 9 fields the plan's answer can hold

success, national format, international format, formatted number, country, country calling code, country code, carrier, line type