SentriSend Email verification API pricing

Name: SentriSend email verification API
Brand: SentriSend

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17% complete: 1 of the 6 fields on our checklistSee the 6 fields

$0.00per 1,000 emailsWe ran SentriSend in our email verification API benchmark. We didn't score any SentriSend plan.This plan is free. We rank 4,767 plans for email verification APIs by price. Half the plans cost $2.00 or less per 1,000 emails. 728 email verification API plans on our price sheet are free. pingutil's free plan scores highest of the free plans in our benchmark, at 82.3 out of 100.treg's top-up from $10 is the cheapest paid plan per 1,000 emails: $0.00 on average. treg asks one provider after another until one answers. You pay $68.365 per 1,000 emails when no provider answers. StableEnrich's pay-as-you-go plan costs the least for 10,000 emails a month: $0.05.Disify's $9 monthly plan (/email) covers any number of emails, and costs less up front than treg's top-up from $10.Validemail.co, pingutil and looot are the best email verification API providers in the Datacircle benchmark.

Plan: Free Sandbox one of SentriSend's 4 plans

Call: POST /api/v1/validate SentriSend's only call

API: Email verification API SentriSend's only API

About this item

Freshness. We don't know how fresh this plan's data is.
1 of the 6 fields on our checklist. Deliverability.
Nothing to pay. You get 100 requests a month. Calls stop once your requests run out. Unused requests do not carry over.
One call. You send email to POST /api/v1/validate. The call returns whether the address takes mail.
Who can get it: with conditions. Keep data: no limit. Use data: with conditions.

The table starts with SentriSend's cheapest paid plan. Next come plans from other providers with the price per 1,000 emails closest to SentriSend's.

	SentriSend, $29 monthly	Bounceless, $579 pack, 1,000,000 credit pack, POST /v1/requests, Create a batch (listId)	NexMailPro, $29 monthly, Pro, POST /verify/email	Valid Email Checker, $590 monthly, 1,015,000 credits a month, POST /verify-bulk	Dev.me, $35 monthly
$ per 1,000 emails	$0.58	$0.579	$0.58	$0.581	$0.583
Completeness	17%	50%	50%	67%	83%
Billing	monthly	pay first	monthly	monthly	monthly
Pay	$29	$579	$29	$590	$35
Enough for	50,000 calls a month	1,000,000 results	50,000 calls a month	1,015,000 results a month	60,000 calls a month
Freshness	unknown	live	stored	live	unknown
Who can get it	anyone acting for business, trade or professional purposes, not as a consumer	business customers outside the European Economic Area and the UK	anyone	anyone at least 18 years of age	anyone

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-11.

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

Aggregators
Aggregators	none

Charges
Also pays for	from the same budget: POST /api/v1/send

Overage
Units cap	hard

Not found
$ per 1,000 calls that find nothing	$0.00

Catch-all
$ per 1,000 emails at catch-all domains	$0.00

In their words
Their pitch	Use the API from your server to check an address before signup or send a message through the gateway

Data
What it checks	format, mail servers, disposable domains, role addresses
Keep data	no limit
Use data	Use SentriSend only for lawful communications and only where you have the permissions and legal basis required to contact the recipients. [...] The service is for business, trade or professional use

Plan
Pay	$0
You get	100 requests a month
Enough for	100 calls a month
Expires	unused requests do not carry over

Rate limit
Batch	1

Speed
Answer	in the call

About the plan
Plan	Free Sandbox
Who can get it	anyone acting for business, trade or professional purposes, not as a consumer, one free key per normalized email identity, its signup email verified

The 6 fields the plan's answer can hold

allowed, disposable, reason, risk score, suggested domain, advisories