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Sendmux

Sendmux

Email API for AI agents and LLMs, seamless sending and receiving

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Recommended for

    • Solo / Indie
    • Idea-Stage
    • Pre-Seed
    • Seed
Sendmux

Sendmux offers an advanced email API for AI agents and large language models (LLMs) within the ai-and-llms category. The platform enables the creation of custom agent inboxes and provides features such as paid quota-based routing, weighted delivery, and automated failover through APIs and SDKs. Sendmux streamlines email integration by allowing AI agents to send and receive emails through custom providers, ensuring reliable delivery at scale. The service also includes email verification capabilities, enhancing the accuracy of AI-driven communications. By consolidating email sending and receiving into one solution, Sendmux simplifies the development and deployment of AI-powered applications.

Submitted By

softrankings
softrankings

Added On

Jul 16, 2026

Status

Unclaimed

SSIE

Stage Fit Recommendations

Following data shows why Sendmux is recommended for listed teams.

Stage

Score

Stage Fit Reasons

  • Solo / Indie

    1 person with

    $0–$2,000 MRR

    76
    • Free tier available, no upfront cost
    • Entry pricing sized for this stage
    • Open-source codebase, independently reviewable
    • Documented REST API for integration
    • Multiple support channels (chat, email)

  • Idea-Stage

    1–3 people with

    $0

    77
    • Free tier available, no upfront cost

  • Pre-Seed

    2–5 people with

    $0–$10k MRR

    72
    • Automated data backup with retention policies

  • Seed

    5–15 people with

    $10k–$100k MRR

    61
    • Documented REST API for integration

Pricing

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