Email validation API with MX and disposable checks
Check an address's syntax, confirm the domain accepts mail over DNS, and flag disposable domains and role addresses like info@.
What it does
Checks an address's syntax, looks up the domain's mail servers over DNS, and flags disposable domains and role addresses like info@.
- POST /v1/email/validate
Limits: No SMTP check, so it cannot tell whether the mailbox exists. No spam-trap or reputation data.
Use cases
- Block throwaway emails at signup.
- Catch domain typos before sending.
- Flag role addresses in B2B lead forms.
Data sources and freshness
DNS over HTTPS (Cloudflare) and the disposable-email-domains list (CC0).
DNS is queried live per request.
Pricing
Every new account gets 100 free calls. Packs of 10,000 ($5), 100,000 ($15) and 250,000 calls ($29) never expire, or choose Unlimited for $39 a month. Only successful responses use a call. See pricing.
FAQ
Does it verify that the mailbox exists?
No. There is no SMTP check, so it cannot tell whether a specific mailbox exists. There is no spam-trap or reputation data.