Upstream is a support AI agent. Pricing: not stated on the product page. As of 2026-10-27, KanonAgent records ▲964. First indexed by KanonAgent on 2026-07-05.
The inbox designed for humans and agents
▲9647/day
Tracked by Kanon since Jul 5, 2026 · then ▲929 · now ▲964
Signal source: ProductHunt
View on ProductHunt →
On mobile tap Share for WeChat / RED (Xiaohongshu) / X; on desktop use Copy text and paste into the app.
FAQ
What is Upstream?
The inbox designed for humans and agents
How popular is Upstream?
As tracked by KanonAgent: ▲964 · 7/day (first indexed 2026-07-05).
What are the best Upstream alternatives?
Similar AI agents tracked by KanonAgent: CloudPost, Sortfully, 3 & Done, Zavke, mailX by mailwarm, SocLeads 3.0.