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usecheck

Plans and prices

Free tier

Free

1,000 requests/month

Starter

$19a month

25,000 requests/mo · 5/sec · Email support

Pro

$49a month

100,000 requests/mo · 10/sec · Priority email support

Business

$150a month

500,000 requests/mo · 25/sec · Priority email support

Enterprise

Priced on request

Unlimited requests/mo · Custom rate limit · Dedicated support

Every plan, in full

On the record

Aliases and relays
It detects Firefox Relay, SimpleLogin, DuckDuckGo aliases, and plus-addressing.usecheck.sh · read 7 Oct 2026
API endpoints
The API documentation describes endpoints for validating email addresses and domains, and says all endpoints require API key authentication.usecheck.sh · read 7 Oct 2026
API response fields
The documented email response includes MX, disposable, public-domain, relay, role-account, alias, spam, domain-age, typo-suggestion, and blocklist fields.usecheck.sh · read 7 Oct 2026
Disposable detection
It detects 110K+ throwaway email domains in real time.usecheck.sh · read 7 Oct 2026
Integrations
The homepage provides example integration snippets for cURL, Node.js, Python, and Go.usecheck.sh · read 7 Oct 2026
Latency
The homepage states an average latency of 45ms.usecheck.sh · read 7 Oct 2026
MX verification
It verifies whether an email domain can receive mail.usecheck.sh · read 7 Oct 2026
Pricing inclusion
The pricing page says every plan includes all features, including MX verification, disposable detection, typo suggestions, role-account detection, public-domain detection, and relay and alias detection.usecheck.sh · read 7 Oct 2026
Product
Usecheck is a real-time email validation API for detecting disposable, temporary, and fake email addresses.usecheck.sh · read 7 Oct 2026
Public domains
It identifies Gmail, Yahoo, Outlook, and 500+ free email providers for B2B filtering.usecheck.sh · read 7 Oct 2026
Role accounts
It flags shared inboxes such as info@, admin@, and support@.usecheck.sh · read 7 Oct 2026
Support
The pricing page lists email support for Starter, priority email for Pro and Business, and dedicated support for Enterprise.usecheck.sh · read 7 Oct 2026
Typo suggestions
It catches common misspellings such as gmial.com and yaho.com.usecheck.sh · read 7 Oct 2026

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