Changelog

Stay up to date with the latest changes to the MoMail API and platform.

Version 1.0.0 - Phase 1 Release

Release Date: May 8, 2026

We are excited to announce the Phase 1 release of MoMail, bringing AI-native email infrastructure to developers.

What’s New

Core Platform

• Email Reception: Full SMTP support for receiving emails on custom domains
• Domain Management: Add, verify, and manage custom domains with DNS validation
• API Key Management: Create and manage API keys with granular permissions
• Vector Search: Semantic email search powered by embeddings
• Webhook Support: Real-time event notifications

Agent APIs (https://momail.io)

• REST /v1/api/* — health, domains, mailboxes, keys, raw MIME (GET /v1/api/emails/:messageId/raw)

• MCP /v1/mcp — search_emails, get_email, get_email_thread, get_email_raw, list_mailboxes

• Semantic search is MCP-only (no POST /v1/api/search in v1)

• GET /webhooks - List webhooks

• POST /webhooks - Create webhook

• PUT /webhooks/:id - Update webhook

• DELETE /webhooks/:id - Delete webhook

• GET /billing/subscription - Get subscription status

• GET /billing/usage - Get usage statistics

• POST /billing/checkout - Start subscription upgrade

• POST /billing/portal - Access billing portal

MCP Integration

Full Model Context Protocol support with StreamableHTTP transport:

• search_emails - Natural language email search
• get_email - Retrieve email by ID
• get_email_thread - Get conversation threads
• get_email_raw - Original MIME as base64
• list_mailboxes - View all mailboxes

See MCP Documentation for setup instructions.

Dashboard

New web dashboard featuring:

• Domain verification workflow
• API key management
• Usage statistics and graphs
• Webhook configuration
• Billing management

Pricing & Plans

Three tiers available:

• Free: 100 emails/month, 1 domain, 20 API requests/minute
• Pro: $29/month, 10,000 emails/month, 10 domains, 100 API requests/minute
• Enterprise: Custom pricing, unlimited resources

See Pricing for complete details.

Authentication

API key authentication with the following features:

• Secure key generation with SHA-256 hashing
• Configurable expiration dates
• Rate limit enforcement per key
• Key revocation support

Security

• TLS 1.3 for all connections
• AES-256 encryption at rest
• API key authentication
• Webhook signature verification
• Rate limiting per account

Documentation

Complete documentation now available:

• Getting Started guide
• API Reference for all endpoints
• MCP Integration guide
• Rate limits and error codes
• Code examples in Python, JavaScript, and cURL

Known Limitations

Phase 1 has the following limitations that will be addressed in future releases:

• No outgoing email (SMTP sending) support
• Maximum 10 domains on Pro plan
• Webhook retry limited to 3 attempts
• Search results limited to 100 per query
• Attachment downloads not yet available via API

Bug Fixes

None - this is the initial release.

Breaking Changes

None - this is the initial release.

Deprecations

None - this is the initial release.

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Upcoming Features

Planned for future releases:

Phase 2 (Q3 2026)

• Outgoing email (SMTP sending)
• Attachment download API
• Advanced search filters
• Team collaboration features
• Slack and Discord integrations

Phase 3 (Q4 2026)

• Mobile apps (iOS and Android)
• Additional MCP tools
• Custom webhook payloads
• Advanced analytics
• SSO/SAML support

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Feedback

We would love to hear your feedback on Phase 1:

• Email: [email protected]
• GitHub: github.com/momail/feedback
• Twitter: @momail

Thank you for using MoMail!