Head to head
Inbox Preview vs Email Inbox API + Sending by Sendmux
Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.
Inbox Preview
?ai.powerline/inbox-previewNo reviews yet
Render HTML/.eml emails in real Gmail, Outlook & Yahoo web clients and screenshot them
Full listing
No reviews yet
AI email inbox and sending tools with attachments, search, live events, and webhooks.
Full listingThe short version
Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. Email Inbox API + Sending by Sendmux has noticeably more public adoption.
| Inbox Preview | Email Inbox API + Sending by Sendmux | |
|---|---|---|
| User rating | No reviews yet | No reviews yet |
| Safety grade | ? | A96/100 |
| Adoption | — | Established |
| GitHub stars | – | 65 |
| Downloads / week | – | 327 |
| Runs where | Hosted (remote) | Hosted (remote) |
| Gateway-ready | Yes | Yes |
| Tools | — | — |
| Write actions | — | — |
| Price per call | Free | Free |
| Licence | — | MIT |
| Last release | — | 2026-09-19 |
| Category |