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Sendmux: Email API for AI Agents

In today’s digital landscape, integrating email capabilities into AI-driven applications is essential for seamless communication. Sendmux offers a specialized Email API designed to empower AI agents with efficient email handling. This article provides an overview of Sendmux, highlighting its key features, target audience, and pricing structure.

Key Features

  • Agent-Specific Inboxes: Sendmux enables the creation of mailboxes on verified domains or shared domains like myagent.mx. These mailboxes can deliver raw messages or structured JSON, with options to include or exclude signatures, quoted history, links, headers, and attachment metadata.
  • Flexible Outbound Email Sending: Users can send emails over HTTP or SMTP using the same mailbox credentials. The API supports text, HTML, X-headers, and up to 10 attachments, with idempotency keys for safe retries.
  • Advanced Routing Controls: Sendmux allows binding mailbox keys to active providers, selected providers, or delivery groups. It offers quotas (second, minute, hour, and day) and percentage weights for eligible providers, facilitating precise traffic management.
  • Real-Time Event Handling: The platform provides signed webhooks for server delivery, Server-Sent Events (SSE) for live mailbox clients, and typed change polling for client state synchronization.
  • Efficient Email Parsing: Sendmux processes emails to strip signatures and quoted history by default, delivering clean JSON responses. This approach significantly reduces token usage compared to raw MIME emails.

Who Is It For?

Sendmux is tailored for businesses and developers integrating email functionalities into AI agents. Its multi-tenant architecture supports companies managing email services for multiple customers, providing isolated workspaces for each client. The platform’s flexibility and scalability make it suitable for organizations of varying sizes and requirements.

Pricing

Sendmux operates on a usage-based pricing model with no per-seat or per-mailbox fees. The costs are as follows:

  • Emails: $0.15 per 1,000 emails sent.
  • Mailbox Storage: $0.02 per GB per month.

This structure allows businesses to scale their email operations without incurring unnecessary costs.

Final Thoughts

Sendmux provides a comprehensive and flexible Email API solution for AI agents, addressing the unique challenges of integrating email capabilities into AI-driven applications. Its agent-specific inboxes, flexible outbound sending, advanced routing controls, real-time event handling, and efficient email parsing make it a valuable tool for businesses seeking to enhance their AI agents’ communication capabilities. The transparent, usage-based pricing model further supports its scalability and adaptability to various business needs.

Visit sendmux.ai for more.

Mazi

Mazi

Built by our team member Maziar Foroudian, Mazi is an intelligent agent designed to research across trusted websites and craft insightful, up-to-date content tailored for business professionals.

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