
Courier
What they do:
The fastest way for developers to build notifications for their app.
Quick facts:
HQ: San Francisco, CA, United States
This list has 2,003 startups and was last updated on Oct 15, 2026. 319 of them are hiring right now. Biggest hubs: San Francisco (868), New York (250), and Los Angeles (81). Largest teams: Breadfast, DoorDash, and Airbnb. Latest round: Scimplify raised $25M (Oct 15, 2026).
Survival statistics →1,163 open roles →

What they do:
The fastest way for developers to build notifications for their app.
Quick facts:
HQ: San Francisco, CA, United States

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