Overview
High-performance email service with priority queue system for reliable email delivery
Keplars
Built for developers who need fast, reliable email delivery with powerful APIs and real-time monitoring.
Key Features
Priority Email Delivery
Instant delivery for critical emails like 2FA codes and OTP with queue-based processing for regular emails
Multiple Providers
Support for Gmail OAuth and SMTP providers with automatic failover and token refresh
API & Dashboard
RESTful API for integration and web dashboard for monitoring and management
AI Templates
Generate email templates using AI with built-in content guardrails
Quick Start
1. Sign Up
Create your account and set up your workspace
2. Connect Email Provider
Connect Gmail or configure SMTP credentials
3. Generate API Keys
Create API keys for programmatic access
4. Send Your First Email
Use our API to send emails with priority processing
API Endpoints
Email Sending (Priority Queue)
POST /api/v1/send-email/instant- Critical emails (2FA, OTP) - 0-5 secondsPOST /api/v1/send-email/high- Notifications, alerts - 0-30 secondsPOST /api/v1/send-email/async- Regular emails - 0-5 minutesPOST /api/v1/send-email/bulk- Marketing, newsletters - idle processingPOST /api/v1/send-email/batch- Batch processing with custom priority
Management
GET /api/v1/queue/stats- Queue statisticsPOST /api/v1/api-keys- API key managementPOST /api/v1/smtp-credentials- SMTP credentials
Next Steps
- Authentication Setup - Connect your email providers
- Send Emails - Start sending emails with our API
- API Keys Setup - Generate and manage API keys
- Webhooks - Set up delivery notifications
Start sending emails with confidence. Get started now →