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Series B Developer APIs Companies

Explore 22 developer apis startups that raised series b funding. Access verified founder contact information and fundraising data.

Total Companies
22
Total Funding
$786.9M
Avg Funding
$35.8M
Cities
11

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Palo Alto, United States
$18.0M
raised

DeepInfra provides machine-learning models and infrastructure designed for deep-learning applications.

May 2026
Series B

Founder Contacts

19,000+ verified contacts

New York, United States

Cinder | Responsible AI, Trust & Safety, and Data Labeling At Scale

May 2026
Series B

Founder Contacts

19,000+ verified contacts

Palo Alto, United States
$100.0M
raised

Parallel develops a suite of agents and tool APIs for building AI that accesses and utilizes the open web.

Apr 2026
Series B

Founder Contacts

19,000+ verified contacts

New York, United States
$40.0M
raised

Spade is a data and AI platform that turns messy transaction data into structured, verified records and gives teams the tools to act on it.

Mar 2026
Series B

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$125.0M
raised

LangChain is a platform that provides open-source frameworks and tools for engineering and deploying language model agents.

Oct 2025
Series B

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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San Francisco, United States
$75.0M
raised

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

Oct 2025
Series B

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$38.0M
raised

Recall.ai provides unified APIs and SDKs to capture, transcribe, and analyze recordings and meetings.

Sep 2025
Series B

Founder Contacts

19,000+ verified contacts

New York, United States
$40.0M
raised

Certify is an API-driven platform automating all stages of provider network management: licensing, enrollment, credentialing, monitoring.

Jun 2025
Series B

Founder Contacts

19,000+ verified contacts

Miami, United States
$28.0M
raised

Payabli is a payments infrastructure and monetization platform that helps software companies integrate payments into their business models.

Jun 2025
Series B

Founder Contacts

19,000+ verified contacts

Singapore, Singapore
$3.5M
raised

Decentro is an API banking platform that provides modular APIs and SDKs for integrating financial products

Jun 2025
Series B

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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Barcelona, Spain
$14.7M
raised

Flanks is redefining the wealth management industry worldwide.

Feb 2025
Series B

Founder Contacts

19,000+ verified contacts

Tokyo, Japan
$6.6M
raised

3-shake is a technology company that provides data analysis, ad tech platforms, security diagnostic, and process automation solutions.

Nov 2024
Series B

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$53.0M
raised

Mechanical Orchard is an AI-native technology company that modernizes critical legacy applications without disrupting what they're doing.

Aug 2024
Series B

Founder Contacts

19,000+ verified contacts

New York, United States
$30.0M
raised

Tinybird is a data platform that provides tools to help developers convert data into real-time insights, actions, and values.

Jun 2024
Series B

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$25.0M
raised

Cube provides an analytical application platform to help companies manage and optimize their analytics workflow.

Jun 2024
Series B

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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San Francisco, United States
$29.0M
raised

AI-Powered Document Processing and Workflow Automation

Mar 2024
Series B

Founder Contacts

19,000+ verified contacts

Oslo, Norway
$24.0M
raised

Chooose builds software to enable the lower carbon fuel value chain.

Jan 2024
Series B

Founder Contacts

19,000+ verified contacts

San Jose, United States
$32.0M
raised

DevOps-as-a-Service. No-code and low-code infrastructure automation for cloud security and compliance.

Nov 2023
Series B

Founder Contacts

19,000+ verified contacts

Firenze, Italy
$15.0M
raised

ShippyPro makes companies great at fulfilling and returning orders to offer the delivery experience consumers expect when they shop online.

Nov 2023
Series B

Founder Contacts

19,000+ verified contacts

Miami, United States
$35.5M
raised

Lula provides a variety of tools, including risk management, claims management, policy administration, and insurance coverage access.

Aug 2023
Series B

Founder Contacts

19,000+ verified contacts

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Get verified contact info for decision-makers at 22 funded startups

19,000+ verified emails
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Paris, France
$14.6M
raised

The platform for creating AI agents in a trusted environment

Jul 2023
Series B

Founder Contacts

19,000+ verified contacts

San Francisco, United States
$40.0M
raised

AirOps enables businesses to build AI-powered content workflows combining multiple language models with brand data for scalable growth.

Nov 2025
Series B

Founder Contacts

19,000+ verified contacts

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