The open source Postman alternative.
The first version of RecipeUI was a viral project at Robinhood that reached 100% adoption from all engineering and QA teams. When an API broke, anyone from Frontend to QA to PMs could debug without relying on backend engineers
What they do:
Enterprise ready webhooks service, open-source and in the cloud
Quick facts:
HQ: San Francisco, CA, United States
What they do:
A single API for all your integrations
Quick facts:
HQ: San Francisco, CA, United States
What they do:
API for unlimited, durable, real-time streams
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Apollo helps engineering teams accelerate delivery
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Build in a weekend. Scale to millions.
Quick facts:
HQ: San Francisco, CA, United States
Funding:
$150M · Oct 2026
What they do:
API-first stock and crypto brokerage platform
Quick facts:
HQ: San Francisco, CA, United States
The open source Postman alternative.
San Francisco, CA, United States
2 employees, according to the company profile.
There are no funding rounds for RecipeUI in our data.
Similar startups: Svix, Nango, and s2.dev.