Courier Transactional Email Service

Courier is the fastest way to design your notifications once and deliver them through push notifications, direct messages like Slack and Facebook Messenger, SMS, and email–with a single Courier API rather than having to integrate each provider API separately. Courier's Notification Designer empowers every team member to build beautiful notifications.

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Send transactional emails with minimal setup time

Guarantee your business-critical emails reach their recipients with the highest delivery rates and lowest fear of spam folders.

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What is Courier Transactional Email Service?

The transactional email service provided by PlatformDocs offers three pricing tiers: Starter, Developer, and Business. The Starter tier, which is free, allows for up to 10,000 notifications per month and includes unlimited templates, integrations, basic logging and analytics, and a 30-day log retention. The Developer tier, priced at $0.005 per notification, includes everything in the Starter tier plus unlimited notifications, the ability to remove Courier branding, and chat and email support. The Business tier utilizes a pricing model based on monthly tracked users and includes everything in the Developer tier, as well as role-based access controls, single sign-on, 1-year log retention, template analytics, multiple provider failover, advanced user preferences, and more.


  • Unlimited templates and integrations available.
  • Basic logging and analytics with 30-day log retention.
  • Pay-as-you-go pricing model with no hidden fees.
  • Chat and email support included in the Developer plan.
  • Advanced features such as role-based access controls and observability integrations available in the Business plan.


  • Unlimited templates and integrations for greater customization.
  • Basic logging and analytics for easy tracking and analysis of email performance.
  • Chat and email support for prompt and helpful assistance.


  • Limited customization options for templates and branding.
  • Customer support may not be readily available or responsive.
  • Pricing may not be cost-effective for high-volume usage.
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