Open-source email infrastructure with automated deliverability
WhatsApp API for OTP, alerts and bulk messaging ready in 5 minutes
Stage
Not given
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Founded
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Based in
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PK
Pricing model
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Freemium
Pricing
Free plan: 3,000 emails/month with 100/day limit. Pro: $10/month for 50,000 emails/month with no daily limit. Growth: $20/month for 100,000 emails/month with no daily limit. Enterprise: custom pricing. Overage emails on paid plans: $0.50 per 1,000. Pay-as-you-go Credits: $5 per 10,000 emails ($0.50
Instant API Key: $0/month (pay-as-you-go for OTPs). Dedicated WABA: $99/month platform fee plus Meta charges billed directly.
Key features
Disposable email detection against ~210,000-provider catalogue
Role address detection and MX record lookup
Automated IP warmup with volume ramps
Email templates and editor
AI agent integration via MCP server
SMTP relay with custom domains
Email validation and list cleaning
Delivery analytics and open/click tracking
Spam testing and reputation monitoring
Developer CLI for terminal access
OTP delivery with 100% delivery rate
Real-time webhook forwarding for message status
REST API integration with production API keys
Template-based messaging with call-to-action buttons
Automated refunds for failed messages
Golang high-concurrency architecture
Bulk campaign broadcasting with 98% open rate
Direct Meta billing with zero platform markup
What makes it different
No API key required for free temp email checker, rate-limited per IP
Open source under Apache 2.0 with same code for self-hosted and cloud
AI-native with MCP integration for Claude, Cursor and other agents
Zero markup pricing with direct Meta billing
API key generation in 5 minutes without verification delays