ScalableScalable Email
Workflow Testing 

Generate reliable test emails instantly, organize by project, and collaborate effortlessly with your team. Say goodbye to unreliable disposable emails and messy workarounds.

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Optimize Your
Email Testing WorkflowsWorkflows

Stop wasting valuable time searching for disposable email addresses. Focus your expertise where it truly matters—building exceptional products that drive your business forward.

Email GenerationEmail Generation

Generate inboxes at scale

Unlike unreliable temp email services that get blocked and cluttered, Octal provides purpose-built inboxes that teams can trust. Organize your tests by project, feature, or workflow to keep everything neatly structured and accessible.

Custom retention policies

Real-time validation & tracking

Organized inbox for each project

Share access with your team

Secure Testing EnvironmentSecure Testing Environment

Secure inboxes

Keep your test data contained with private inboxes. All test emails are isolated and protected, preventing any accidental data leakage during testing.

Team CollaborationTeam Collaboration

Seamless organization

Keep everyone in sync with shareable test groups, clear organization, and intuitive project management that adapts to your team's workflow—no more scattered testing approaches.

Simple, powerful API

Your API for
automated email testing

Integrate email testing seamlessly into your development workflow with our comprehensive API. Generate test emails, verify delivery, and organize results programmatically from anywhere.

fetch('https://api.octal.email/v1/emails', {
    method: 'POST',
    headers: { 'Authorization': 'Bearer YOUR_API_KEY' },
    body: JSON.stringify({
      project: 'user-registration-flow'
    })
   })
fetch('https://api.octal.email/v1/expect', {
    method: 'POST',
    headers: { 'Authorization': 'Bearer YOUR_API_KEY' },
    body: JSON.stringify({
      address: email,
      count: 2,
      within: 1000 * 60 * 60, // 1 hour
      subject: {
        contains: ['verification', 'welcome']
      }
    })
   })

See how your emails render
in every environment, effortlessly.effortlessly.

Verify email appearance across Gmail, Outlook, Apple Mail, and mobile clients without switching contexts. Preview both light and dark mode versions side by side to ensure your messages look perfect for every recipient.

Collaboration interface with user profile images

The bestbest way to test emails.

Octal is the professional email testing solution you deserve. Generate reliable test emails instantly, organize by project, and collaborate seamlessly. Free to start—no credit card required.

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