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Series A Developer APIs Companies

Explore 100 developer apis startups that raised series a funding. Access verified founder contact information and fundraising data.

Total Companies
100
Total Funding
$464.8M
Avg Funding
$18.6M
Cities
17

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San Francisco, United States
$8.0M
raised

Intento builds AI Agents for enterprise localization using machine translation and generative AI.

Oct 2023
Series A

Founder Contacts

30,000+ verified contacts

Toronto, Canada
$7.4M
raised

SaaS space utilization platform that helps large enterprises make smarter decisions about using corporate real estate.

Aug 2023
Series A

Founder Contacts

30,000+ verified contacts

Mountain View, United States
$56.0M
raised

Inworld AI is an AI runtime powering massive consumer applications.

Aug 2023
Series A

Founder Contacts

30,000+ verified contacts

Santa Clara, United States
$4.5M
raised

Globaleur provides digital infrastructure driven by AI for companies in Travel & Hospitality and Mobility

Jul 2023
Series A

Founder Contacts

30,000+ verified contacts

Albuquerque, United States
$3.4M
raised

Vibrant Corporation develops process compensated resonance testing technology for the aerospace and power generation industries.

Jul 2023
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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London, United Kingdom
$5.0M
raised

Bring your entire tech stack together in one place, get meaningful recommendations on how to hit your targets.

May 2023
Series A

Founder Contacts

30,000+ verified contacts

London, United Kingdom
$18.9M
raised

Metomic is the human-centric data security software for SaaS, GenAI and Cloud

Feb 2023
Series A

Founder Contacts

30,000+ verified contacts

Valencia, Spain
$14.5M
raised

Voicemod is a voice-changing software for gamers, content creators, and vtubers.

Feb 2023
Series A

Founder Contacts

30,000+ verified contacts

Florence, Italy
$11.6M
raised

Europe's Top-Tiered Agentic AI Hacker, Mastering API Security Testing

Dec 2025
Series A

Founder Contacts

30,000+ verified contacts

London, United Kingdom
$7.6M
raised

WealthKernel is a supplier of infrastructure for companies looking to offer digital investment services.

Jan 2024
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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San Francisco, United States
$50.0M
raised

Ngrok is an API-first ingress-as-a-service platform that helps developers build their apps faster and more securely with no code changes.

Dec 2022
Series A

Founder Contacts

30,000+ verified contacts

London, United Kingdom
$50.0M
raised

Runware provides an API platform that enables developers and businesses to integrate generative AI for media creation and transformation.

Dec 2025
Series A

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$23.0M
raised

Harmonic provides data that moves at the speed of startups.

Nov 2022
Series A

Founder Contacts

30,000+ verified contacts

Seattle, United States
$17.0M
raised

Symbl.ai is an early-stage, venture-backed startup that is democratizing access to conversational intelligence for developers.

Nov 2021
Series A

Founder Contacts

30,000+ verified contacts

Melbourne, Australia
$15.3M
raised

KYC, KYB, AML and fraud orchestration platform. 350+ data sources, one API. Book a demo at frankieone.com/book-a-demo

Nov 2022
Series A

Founder Contacts

30,000+ verified contacts

Ready to Reach These Founders?

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30,000+ verified emails
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Oslo, Norway
$15.0M
raised

Enode is accelerating the transition to a sustainable energy system by connecting and optimizing the world’s energy devices.

Nov 2022
Series A

Founder Contacts

30,000+ verified contacts

Mountain View, United States
$18.0M
raised

MadKudu is a predictive lead-scoring solution built exclusively for high-volume B2B SaaS companies to help them accelerate growth.

Nov 2022
Series A

Founder Contacts

30,000+ verified contacts

San Mateo, United States
$10.0M
raised

Checkbook provides a single API to enables business to send payments at scale. Payments can go over any rail. No payee enrollment required

Nov 2021
Series A

Founder Contacts

30,000+ verified contacts

Dover, United States
$12.0M
raised

Devtron is an open source DevOps platform.

Oct 2022
Series A

Founder Contacts

30,000+ verified contacts

Toronto, Canada
$10.0M
raised

Cybrid uses APIs that enable banks, and financial institutions to seamlessly launch a cryptocurrency and De-fi products.

Oct 2025
Series A

Founder Contacts

30,000+ verified contacts

Ready to Reach These Founders?

Get verified contact info for decision-makers at 100 funded startups

30,000+ verified emails
Unlimited exports
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Palo Alto, United States
$30.0M
raised

Stardust is a software platform for game building in the metaverse.

Oct 2022
Series A

Founder Contacts

30,000+ verified contacts

Miami, United States
$41.5M
raised

Tatum gives developers, entrepreneurs, and businesses a platform to utilize blockchain technology regardless of the blockchain.

Oct 2022
Series A

Founder Contacts

30,000+ verified contacts

Seattle, United States
$10.0M
raised

Universal headless checkout with a single API

Oct 2021
Series A

Founder Contacts

30,000+ verified contacts

New York, United States
$11.0M
raised

ARTA is a logistics software and fulfillment service for goods and collectibles.

Oct 2022
Series A

Founder Contacts

30,000+ verified contacts

Paris, France
$15.0M
raised

Open-source search engine API

Oct 2022
Series A

Founder Contacts

30,000+ verified contacts

Showing 76 to 100 of 100 companies

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100 Developer APIs Series A Startups (August 2026) — Page 4 | VCBacked