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Series A Developer APIs Companies

Explore 49 developer apis startups that raised series a funding. Access verified founder contact information and fundraising data.

Total Companies
49
Total Funding
$350.7M
Avg Funding
$14.0M
Cities
12

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Santa Monica, United States
$9.5M
raised

Observable Space provides sectors of the space industry, including commercial, science, education, and government users.

May 2026
Series A

Founder Contacts

19,000+ verified contacts

New York, United States

Eisen is a compliance operations platform that helps financial institutions manage escheatment, disbursement, and 1099 reporting.

May 2026
Series A

Founder Contacts

19,000+ verified contacts

Paris, France
$17.9M
raised

Escape - API discovery and API security platform that leverages generative AI to discover and secure all exposed APIs.

Mar 2026
Series A

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$5.2M
raised

Allie AI is a manufacturing technology company that uses AI co-pilots to maximize factory efficiency and product quality.

Oct 2025
Series A

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$20.0M
raised

Glide Identity provides SIM-based cryptographic authentication and verification systems using telecom network APIs.

Oct 2025
Series A

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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San Francisco, United States
$16.0M
raised

Kernel is a developer platform that provides Crazy Fast Browser Infrastructure for AI agents to use the internet.

Oct 2025
Series A

Founder Contacts

19,000+ verified contacts

London, United Kingdom
$20.0M
raised

Deliver compliant production-like data to testing and development teams for any scenario

Sep 2025
Series A

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$14.5M
raised

Firecrawl is an API service that designs structured data for integration.

Aug 2025
Series A

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$21.0M
raised

E2B develops a cloud infrastructure tailored for AI agents and applications.

Jul 2025
Series A

Founder Contacts

19,000+ verified contacts

Berlin, Germany
$11.6M
raised

Build climate intelligent solutions powered by smart data

Jun 2025
Series A

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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San Rafael, United States
$1.0M
raised

Bright Security is an AI -powered application security platform that integrates application security into SDLC.

May 2025
Series A

Founder Contacts

19,000+ verified contacts

London, United Kingdom
$20.0M
raised

StackOne is an integration platform that connects SaaS products through APIs.

May 2025
Series A

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$24.5M
raised

Reducto is an AI-driven API that specializes in converting unstructured documents like PDFs and images into structured data.

Apr 2025
Series A

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$20.0M
raised

Salsa offers a payroll infrastructure platform that allows businesses to lauch embedded payroll products quickly and efficiently.

Apr 2025
Series A

Founder Contacts

19,000+ verified contacts

New York, United States
$9.0M
raised

Start with an API spec. Generate SDKs in multiple languages and API documentation tailored to your brand.

Apr 2025
Series A

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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Miami, United States
$7.5M
raised

WunderGraph is a next generation BFF framework designed to optimize frontend, fullstack, and backend developer workflows

Mar 2025
Series A

Founder Contacts

19,000+ verified contacts

New York, United States
$13.0M
raised

CoverForce is a commercial insurance tech company offering a platform to quote, pay, and bind policies, connecting users.

Mar 2025
Series A

Founder Contacts

19,000+ verified contacts

Seattle, United States
$15.0M
raised

Edera is an enterprise infrastructure security company that offers secure-by-design Kubernetes and AI solution.

Feb 2025
Series A

Founder Contacts

19,000+ verified contacts

Wilmington, United States
$14.0M
raised

Reservoir is a developer platform that enables next-generation NFT products to be delivered to market.

Feb 2025
Series A

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$5.0M
raised

Allie AI is an applied AI company that builds co-pilot agents & models for optimization and actuation for industrial groups.

Feb 2025
Series A

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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Istanbul, Turkey
$18.0M
raised

Agave Games is a mobile games publishing company that focuses on and specializes in the casual puzzle genre to offer fun gaming experiences.

Dec 2024
Series A

Founder Contacts

19,000+ verified contacts

Tel Aviv, Israel
$17.5M
raised

Stigg is a platform that enables SaaS companies to be nimble in their pricing and packaging.

Dec 2024
Series A

Founder Contacts

19,000+ verified contacts

New York, United States
$25.0M
raised

Stainless is a company that specializes in generating software development kits for APIs.

Dec 2024
Series A

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$18.0M
raised

Resend is an email API for developers.

Dec 2024
Series A

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$7.5M
raised

Apideck enables developers to build integrations through a set of Unified APIs, from Accounting to HRIS integrations.

Nov 2024
Series A

Founder Contacts

19,000+ verified contacts

Showing 1 to 25 of 49 companies

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