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Karate Labs (YC W22) — Open-source API & UI test automation

Karate is an open-source unified test automation platform combining API testing, API performance testing, API mocks & UI testing. 1.5 million monthly downloads, used by 500+ companies including 76 of the Fortune 500, are a testimony of Karate removing friction from the developer experience (DX).

Karate Labs is a Y Combinator company in the Winter 2022 batch. Its directory entry describes it as: Open-source API & UI test automation. The founders listed are Kapil Bakshi (Founder), Peter Thomas (Founder) (Y Combinator directory entry, January 13, 2022).

6 more companies from YC Winter 2022 ↓

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Karate Labs

New accelerator entry · 2022-01-13 · the record

Winter 2022
batch
2
people
Early
stage
United States of America
region
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What the record says

BatchWinter 2022
Announced2022-01-13
StageEarly
StatusActive
Team size2
IndustryB2B
Sub-industryB2B -> Engineering, Product and Design
SectorsDeveloper Tools, SaaS, API
RegionsUnited States of America, America / Canada, Remote, Fully Remote
BasedWilmington, DE, USA; Remote
HiringNo
Sitehttps://karatelabs.io
Previously known asKarate Labs, Karate Labs Inc.

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Also in YC Winter 2022

Same batch, B2B first.

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In their words

Karate is an open-source unified test automation platform combining API testing, API performance testing, API mocks & UI testing. 1.5 million monthly downloads, used by 500+ companies including 76 of the Fortune 500, are a testimony of Karate removing friction from the developer experience (DX). We did this by making it exceptionally simple to write tests (low code), simulating end-user workflows accurately, re-using API tests as performance tests, parallel execution, and collaboration via Git. Staying true to Karate’s “LOCAL-FIRST” approach (user data remains within the customer's firewall, ensuring security and addressing any concerns), we launched the official Karate plugins (IntelliJ and VS Code) for frictionless onboarding, simplified installations, configuration, and maintenance. Our plugins include all Karate open-source features, including exploring of APIs, and premium features (testing for Async APIs, API documentation, API data importer and more).

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Karate Labs: Accepted into Y Combinator Winter 2022
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Permanent URL: https://mentionfox.com/funding/yc-karate-labs
Last updated 2026-10-20
Primary record: Y Combinator directory entry
Karate Labs (YC W22) — Open-source API & UI test automation. MentionFox, 2026-10-20. https://mentionfox.com/funding/yc-karate-labs