Email APIs — page 2
59 email APIs for sending, receiving and verifying email, best documented first.
Disban
EmailClassify email domains as disposable, free, alias, testing or parked to block fake signups
Kiprio Email Validate
EmailFree email validation: MX check, disposable detection, syntax
Mailfornet
EmailDisposable inboxes for end-to-end signup tests, with long-polling and HMAC-signed webhooks
MailRambo
EmailVerify email deliverability with a strict yes/no, disposable and catch-all detection
PostStack
EmailEU-hosted email API for transactional and marketing email, with contacts, broadcasts, and analytics
SMTPfast
EmailSend transactional email, manage contacts and broadcasts, free 3,000 emails/month
TempMailGrab
EmailDisposable inboxes for email testing with OTP extraction and webhooks
uchecker
EmailBulk email verification with full SMTP server responses
Xeramail Temp Mail
EmailTemp email address REST API for privacy, testing, automation with OTP extraction
Email Validator by LifeStep
EmailValidate email syntax and MX, detect disposable/role addresses, suggest typo fixes
MailboxValidator Disposable Email Checker
EmailThe MailboxValidator Disposable Email Checker API checks if a single email address is from a disposable email provider and returns the results in either JSON or XML format. Refer to https://www.mailboxvalidator.com/api-email-disposable for further information.
Mailsquad
EmailMailSquad offers an affordable and super easy way to create, send and track delightful emails.
Neutrino API
EmailThe general-purpose API
Cloudmersive Validate
EmailValidate email addresses, phone numbers, VAT numbers and domain names
MailboxValidator Email Validation
EmailThe Single Validation API does validation on a single email address and returns all the validation results in either JSON or XML format. Refer to https://www.mailboxvalidator.com for further information.
Heybounce
EmailEmail Verification API
Academic Email API
EmailThis API allows you to verify whether an email belongs to a recognized educational institution
Atomic Mail
EmailEmail for AI agents with programmatic inbox creation and send/receive over the open JMAP standard
Emailvalidation
EmailE-Mail address validation
FreeCustom.Email
EmailDisposable email inboxes with OTP extraction and real-time WebSocket events
IndiePitcher
EmailEverything email for your startup with markdown support
MailChannels
EmailSend transactional email over HTTPS with official JavaScript, Python and PHP SDKs
MailValid
EmailReal-time email verification API with SMTP, MX, disposable, role-based, and catch-all detection. Verify single or bulk emails with confidence scoring
NoParam
EmailEmail validation API for real-time & bulk checking