PapaCasper Email verification API pricing

Name: PapaCasper email verification API
Brand: PapaCasper
Price: 10 USD

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

$10.00per 1,000 emailsWe haven't run PapaCasper through our email verification API benchmark yet.We rank 4,721 plans for email verification APIs by price. Half the plans cost $2.00 or less per 1,000 emails. This plan costs less per 1,000 emails than 10% of the 4,721 plans. PapaCasper has no free email verification API plan. 734 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.PayPerQ's pay-as-you-go plan costs the least for 10,000 emails a month: $0.06.Disify's $9 monthly plan (/email) covers any number of emails.Validemail.co, pingutil and looot are the best email verification API providers in the Datacircle benchmark.

Plan: x402 pay per call one of PapaCasper's 3 plans

Call: POST /mcp/pay/email_address_validate PapaCasper's only call for this API

API: Email verification API one of PapaCasper's 5 APIs

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 buy first. You pay per call.
One call. You send email to POST /mcp/pay/email_address_validate.
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 emails.

	This planPapaCasper, pay as you go	Tuski, pay as you go	Clearout, $1,000 pack, 500,000 credits, POST /email_verify/instant, Instant Verify, full	InboxPolicy, pay as you go, Pay-per-call (x402), POST /v1/decide	SyncGTM, $50 pack	Mail Security Tools, pay as you go
$ per 1,000 emails	$10.00	$10.00	$10.00	$10.00	$10.00	$10.00
Completeness	17%	50%	50%	50%	33%	17%
Billing	pay as you go	pay as you go	pay first	pay as you go	pay first	pay as you go
Pay	per call	per call	$1,000	per call	$50	per call
Enough for	as many as you pay for	as many as you pay for	100,000 calls	1 call	5,000 calls	as many as you pay for
Freshness	unknown	unknown	live	72 hours	unknown	unknown
Who can get it	anyone with a wallet paying each call in USDC on Base through x402, with no signup	anyone	not new users	anyone	anyone aged 16 or over, for lawful business use	anyone

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-10.

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	nothing else

In their words
Their pitch	Validate a single email address: RFC syntax check, MX record lookup on the domain, disposable/temporary-email-provider detection, and role-account detection (info@, admin@, etc.).

Data
What it checks	format, mail servers, disposable domains, role addresses
Keep data	no limit
Use data	You may use our sites for lawful purposes. Please do not abuse them: no attempts to break into, overload, or disrupt the sites, the MCP Toolbelt, or the public DNS service, and no use of any of them for illegal activity.

Plan
Pay	per call

Rate limit
Batch	1

Speed
Answer	in the call

The call
You send	email
Method	POST
Path	/mcp/pay/email_address_validate

About the plan
Plan	x402 pay per call
Who can get it	anyone with a wallet paying each call in USDC on Base through x402, with no signup

The 4 fields the plan's answer can hold

syntax valid, MX record, disposable, role account