Subscription Plans
Compare InboxIssue plans and features
Subscription Plans
InboxIssue offers several plans to match your email testing needs.
Plan Comparison
| Feature | Free | Starter | Pro | Enterprise |
|---|---|---|---|---|
| Spam Tests/Month | 3 | 100 | 1,000 | Unlimited |
| Workspaces | 1 | 3 | 6 | 10 |
| Team Members | 1 | 1 | 5 | 50 |
| Email Providers | 5 | 15 | All | All + Custom |
| API Access | - | - | Yes | Yes |
| Webhooks | - | - | Yes | Yes |
| Postmaster Tools | - | - | Yes | Yes |
| Blacklist Monitoring | - | Yes | Yes | Yes |
Plan Details
Free
Perfect for trying InboxIssue and occasional testing.
- 3 spam tests per month
- 1 workspace
- 1 team member
- Basic email providers
Starter
For small teams and regular testing needs.
- 100 spam tests per month
- 3 workspaces
- Blacklist monitoring
- Priority support
Pro
For growing teams with advanced needs.
- 1,000 spam tests per month
- 6 workspaces
- 5 team members
- Full API access
- Webhook integrations
- Postmaster Tools integration
- All email providers
Enterprise
For large organizations with custom requirements.
- Unlimited spam tests
- 10 workspaces
- 50 team members
- Custom email providers
- White-label options
- Dedicated support
- Custom integrations
Feature Details
Workspaces
Workspaces are separate environments for organizing tests:
- Each workspace has its own tests and settings
- Team members can access multiple workspaces
- Great for separating projects or clients
Team Members
Invite team members to collaborate:
- Share test results
- Unified billing
API Access
Programmatic access to InboxIssue:
- Create tests via REST API
- Retrieve results programmatically
- Integrate with your CI/CD pipeline
See API Reference for details.
Webhooks
Real-time notifications for test results:
- HTTP POST to your endpoint
- Signature verification
- Retry on failure
See Webhooks for details.
Postmaster Tools
Integration with Google Postmaster Tools:
- Domain reputation data
- Spam rate tracking
- Authentication dashboard
Blacklist Monitoring
Check your sending IPs against major blocklists:
- Major blacklist checking
- Alert on listing
- Delisting guidance
Changing Plans
Upgrading
- Go to Settings > Subscription
- Click Change Plan
- Select your new plan
- Confirm payment
Upgrades take effect immediately. You'll be prorated for the remaining billing period.
Downgrading
- Go to Settings > Subscription
- Click Change Plan
- Select your new plan
- Confirm change
Downgrades take effect at the next billing period. You'll retain access to higher-tier features until then.
Before downgrading, ensure you're within the new plan's limits for workspaces and team members.
Billing
Payment Methods
- Credit card (Visa, Mastercard, Amex)
- Annual billing (10% discount)
Invoices
Access invoices in Settings > Billing:
- Download PDF invoices
- View payment history
- Update billing information
Enterprise Contact
For Enterprise plans or custom needs:
- Email: sales@inboxissue.com
- Custom volume pricing
- SLA agreements
- Dedicated onboarding
Related
- API Reference - API documentation
- Webhooks - Webhook setup