Developer API Tools/Template & Preview

Template & Preview

Preview HTML email, check mobile layout, and validate template variables.

Transactional API

Need transactional email in your product?

Send from REST or SMTP, then subscribe to delivery events — same MailShrine login as the rest of the suite.

  • ·
  • ·
  • HTML Email PreviewPreview HTML email in a safe frame.Open →
  • Mobile Email PreviewCheck layout at mobile widths.Open →
  • Template Variable LinterFind missing template variables.Open →
  • Dark Mode PreviewApproximate dark-mode rendering.Open →
  • Plain Text ExtractorDerive text part from HTML.Open →
  • CSS Inliner HelperInline CSS for email clients.Open →
  • Image Link CheckerVerify images referenced in HTML.Open →
  • Accessibility Scan for EmailFlag missing alt text and contrast issues.Open →
Send iconMailShrineEverything email. One place.

MailShrine is an email suite for marketers, developers, and businesses. Send campaigns, run inboxes, find leads, and protect sender reputation — one login.

Products

  • Email Marketing
    Guides·Tools·Pricing
  • Business Email
    Guides·Tools·Pricing
  • Email Lead Generator
    Guides·Tools·Pricing
  • Email Sanitization
    Guides·Tools·Pricing
  • Email Automation (In development)
    Pricing
  • Developer API
    Guides·Tools·Pricing
  • Pricing

Company

  • Blog
  • Help & FAQs
  • About
  • Partners
  • Contact Us

Get started

Get Started
Login

Connect

Terms of ServicePrivacy PolicySecurity & ComplianceCrawler resources

© 2026 MailShrine. All rights reserved. · made with by MailShrine

Send iconMailShrineDeveloper API
OverviewDocs
PricingCompare
All products