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Series B Developer Platform Companies

Explore 13 developer platform startups that raised series b funding. Access verified founder contact information and fundraising data.

Total Companies
13
Total Funding
$692.0M
Avg Funding
$53.2M
Cities
10

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San Francisco, United States

Vapi is a voice AI platform that allows developers to build, test and deploy voice agents for phone calls and customer support.

May 2026
Series B

Founder Contacts

19,000+ verified contacts

Cupertino, United States
$20.0M
raised

Orkes offers a platform for modern workflow orchestration, allowing businesses to build and scale complex software applications.

Apr 2026
Series B

Founder Contacts

19,000+ verified contacts

Oslo, Norway
$35.0M
raised

Unleash is an open-source feature management solution that allows development teams to enable or disable specific features.

Mar 2026
Series B

Founder Contacts

19,000+ verified contacts

Tokyo, Japan
$3.5M
raised

MagicPod is an AI test automation platform that provides automation cloud service through AI technology on mobile and website.

Apr 2025
Series B

Founder Contacts

19,000+ verified contacts

Palo Alto, United States
$93.0M
raised

Endor Labs secures software supply chains with advanced tools for open-source risk, compliance, and developer productivity.

Apr 2025
Series B

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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Seattle, United States
$36.0M
raised

QA Wolf is your modern QA team

Jul 2024
Series B

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$15.6M
raised

The workflow platform built for private market transactions

Jul 2023
Series B

Founder Contacts

19,000+ verified contacts

Egham, United Kingdom
$9.9M
raised

QiO Technologies is an AI sustainability tech company that provides a sustainability suite to reduce greenhouse gas emissions.

Feb 2023
Series B

Founder Contacts

19,000+ verified contacts

Montréal, Canada
$15.0M
raised

Mino Games produces the top 50 grossing mobile game Mino Monsters, with over 13 million downloads.

Feb 2023
Series B

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$24.0M
raised

Memfault is an IoT reliability platform giving developers a more scalable & sustainable process to transform the way they build & operate.

Jan 2023
Series B

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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Dover, United States
$330.0M
raised

Lovable provides an AI-driven platform enabling users to generate and deploy web applications and websites from natural language prompts.

Dec 2025
Series B

Founder Contacts

19,000+ verified contacts

Pleasanton, United States
$70.0M
raised

Emergent is an AI-powered software creation platform that enables users to build full-stack web and mobile applications.

Jan 2026
Series B

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$40.0M
raised

Tavus develops AI humans that remember and empathize, enabling seamless transitions across chat, voice, and video.

Nov 2025
Series B

Founder Contacts

19,000+ verified contacts

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