Sendmux
An email inbox API for AI agents to send, receive & route.
We’re building Sendmux because AI agents need reliable email: real inboxes, controlled sending, live events, and provider routing without fragile DIY plumbing.
Share cardActual performance
Did not reach leaderboard
Launch Intel predictions
Analyze your own launch →80%80% predicted probability of success on Product Hunt, based on ML models trained on real launch data.
best fitHighest predicted score across all platforms for this description.
52%52% predicted probability of success on Hacker News, based on ML models trained on real launch data.
52%52% predicted probability of success on TrustMRR, based on ML models trained on real launch data.
46%46% predicted probability of success on Indie Hackers, based on ML models trained on real launch data.
nativeThis product was originally launched on this platform.
45%45% predicted probability of success on BetaList, based on ML models trained on real launch data.
26%26% predicted probability of success on AppSumo, based on ML models trained on real launch data.
21%21% predicted probability of success on Acquire.com, based on ML models trained on real launch data.
Correct prediction on native model
Similar products
WaxForward39%Launch Intel prediction score: how likely this product is to succeed on its source platform, based on its name, tagline, and description.
Email with your domain. Receive, Reply, Send. From any inbox
Fi
Find out how many emails you send/receive52%Launch Intel prediction score: how likely this product is to succeed on its source platform, based on its name, tagline, and description.
Find out how many emails you send/receive
AgentMail95%Launch Intel prediction score: how likely this product is to succeed on its source platform, based on its name, tagline, and description.
Email Inboxes for AI Agents
Mailwip61%Launch Intel prediction score: how likely this product is to succeed on its source platform, based on its name, tagline, and description.
Email forwarding for your own domain. Forward, Receive, Send
St
Standalone KeystoneJS route callbacks47%Launch Intel prediction score: how likely this product is to succeed on its source platform, based on its name, tagline, and description.
Standalone KeystoneJS route callbacks
Typewriter69%Launch Intel prediction score: how likely this product is to succeed on its source platform, based on its name, tagline, and description.
Send an email, it's published!
Re
Receive an email when purpleair quality is unhealthy51%Launch Intel prediction score: how likely this product is to succeed on its source platform, based on its name, tagline, and description.
Receive an email when purpleair quality is unhealthy
Re
Receive Tasty Treats for Exercising45%Launch Intel prediction score: how likely this product is to succeed on its source platform, based on its name, tagline, and description.
Receive Tasty Treats for Exercising
Ba
Balto, an API to Send iMessages63%Launch Intel prediction score: how likely this product is to succeed on its source platform, based on its name, tagline, and description.
Balto, an API to Send iMessages
Webmentions48%Launch Intel prediction score: how likely this product is to succeed on its source platform, based on its name, tagline, and description.
Send, receive, and discover webmentions—all in one place.