Developer API/Guides/Getting Started

Getting Started

First sends, API keys, and the shortest path from signup to a delivered message.

  • What Is a Transactional Email API?People search for: what is a transactional email APIOpen →
  • Email API vs SMTP RelayPeople search for: email API vs SMTPOpen →
  • How to Send Your First API EmailPeople search for: how to send email with APIOpen →
  • Create and Secure an API KeyPeople search for: create email API keyOpen →
  • API Key Best PracticesPeople search for: email API key best practicesOpen →
  • Verify a Sending DomainPeople search for: verify sending domain email APIOpen →
  • Choose a Sending SubdomainPeople search for: email sending subdomainOpen →
  • Development vs Production KeysPeople search for: email API sandbox vs productionOpen →
  • Idempotency Keys for Email SendsPeople search for: email API idempotency keyOpen →
  • Accepted vs Delivered ExplainedPeople search for: email accepted vs deliveredOpen →
  • MailShrine Developer API QuickstartPeople search for: MailShrine email API quickstartOpen →
  • Suite Login and Shared CreditsPeople search for: MailShrine shared credits APIOpen →
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