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MailChannels Email API
Send transactional email with tenant-level abuse control
Let your users, customers, and AI agents send transactional email through your platform without one bad sender risking your whole account. MailChannels gives every tenant its own identity, policies, and rate limits, and owns the abuse ops generic APIs leave to you: complaint handling, bounce feedback, and safe suspension. Battle-tested at ~100M messages/day for hosting providers. Not for newsletters or cold outreach. Built for platforms with downstream senders.
If your product sends email on behalf of customers or their AI agents, their behavior becomes your risk. One tenant sends phishing or generates enough complaints to damage your reputation, and suddenly every other customer on your platform has trouble delivering password resets and other important messages.
MailChannels has spent 20 years managing this problem for web-hosting providers, where thousands of independent senders share the same infrastructure. A large hosting customer recently told me that if they moved their email elsewhere, they expected to be blocked.
The MailChannels Email API brings that infrastructure to developers. Give each tenant or agent its own sender identity, rate limits, and policies. If one sender misbehaves, you can suspend that tenant without taking everyone else offline. We process bounce and complaint signals and deliver them to you through webhooks, so you can manage sending without building your own abuse operation.
It’s designed for transactional and agent email. There’s a free tier, and Product Hunt users get 30% off the first year of a paid plan.
Try it at docs.mailchannels.com. I’ll be here today to answer questions—especially from anyone who has had one bad tenant put their whole sending operation at risk.
About MailChannels Email API on Product Hunt
“Send transactional email with tenant-level abuse control”
MailChannels Email API was submitted on Product Hunt and earned 7 upvotes and 1 comments, placing #50 on the daily leaderboard. Let your users, customers, and AI agents send transactional email through your platform without one bad sender risking your whole account. MailChannels gives every tenant its own identity, policies, and rate limits, and owns the abuse ops generic APIs leave to you: complaint handling, bounce feedback, and safe suspension. Battle-tested at ~100M messages/day for hosting providers. Not for newsletters or cold outreach. Built for platforms with downstream senders.
On the analytics side, MailChannels Email API competes within Email, API and Developer Tools — topics that collectively have 657.1k followers on Product Hunt. The dashboard above tracks how MailChannels Email API performed against the three products that launched closest to it on the same day.
Who hunted MailChannels Email API?
MailChannels Email API was hunted by Mandy. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of MailChannels Email API including community comment highlights and product details, visit the product overview.
Mandy
Hi Product Hunt, I’m Ken, CEO of MailChannels.
If your product sends email on behalf of customers or their AI agents, their behavior becomes your risk. One tenant sends phishing or generates enough complaints to damage your reputation, and suddenly every other customer on your platform has trouble delivering password resets and other important messages.
MailChannels has spent 20 years managing this problem for web-hosting providers, where thousands of independent senders share the same infrastructure. A large hosting customer recently told me that if they moved their email elsewhere, they expected to be blocked.
The MailChannels Email API brings that infrastructure to developers. Give each tenant or agent its own sender identity, rate limits, and policies. If one sender misbehaves, you can suspend that tenant without taking everyone else offline. We process bounce and complaint signals and deliver them to you through webhooks, so you can manage sending without building your own abuse operation.
It’s designed for transactional and agent email. There’s a free tier, and Product Hunt users get 30% off the first year of a paid plan.
Try it at docs.mailchannels.com. I’ll be here today to answer questions—especially from anyone who has had one bad tenant put their whole sending operation at risk.