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Developer APIs Startups

Updated October 2026

Companies in the developer apis sector developing innovative solutions and technologies.

Explore 519 recently funded developer apis companies with verified founder contact information and fundraising data.

Total Companies
519
Total Funding
$103.4M
Avg Funding
$4.1M
Global Reach
8
countries

Top Cities for Developer APIs

New York
San Francisco
Besiktas
Boulder
Atlanta
London

Recently Funded Companies

Export
New York, United States

Fastgen is a low-code API and workflow builder with a drag-and-drop interface to create backends and automations.

$500K raised
Apr 2023

Founder Contacts

41,000+ verified contacts

San Francisco, United States

PoplarML enables the deployment of production-ready, scalable ML systems.

$500K raised
Apr 2023

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Satsuma is a reliable blockchain indexing service for web3 engineering teams.

$5.0M raised
Apr 2023

Founder Contacts

41,000+ verified contacts

Besiktas, Turkey

Wiro.ai brings machine learning easily accessible to all in the cloud.

$5.0M raised
Apr 2023

Founder Contacts

41,000+ verified contacts

Boulder, United States

Dylibso provides software, devtools, and applications to assist in the deployment of WebAssembly.

$5.0M raised
Mar 2023

Founder Contacts

41,000+ verified contacts

Atlanta, United States

Speedscale allows users to stress test cloud services with real-world scenarios.

$9.0M raised
Mar 2023

Founder Contacts

41,000+ verified contacts

New York, United States

Opkit is a Y Combinator-backed startup building AI phone calls for the healthcare industry.

$1.0M raised
Mar 2023

Founder Contacts

41,000+ verified contacts

London, United Kingdom

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

$18.9M raised
Feb 2023

Founder Contacts

41,000+ verified contacts

Valencia, Spain

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

$14.5M raised
Feb 2023

Founder Contacts

41,000+ verified contacts

Paris, France

Blobr is a SaaS company that offers API portal for internal teams, partners and customers.

$5.4M raised
Feb 2023

Founder Contacts

41,000+ verified contacts

New York, United States

Semantic and visual search, clustering, analysis and recommendation infrastructure across video, images and text in just 2 API calls

$650K raised
Jan 2023

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Build powerful AI workflows in minutes.

$1.4M raised
Jan 2024

Founder Contacts

41,000+ verified contacts

Austin, United States

Trice is a payment solution that provides intelligent, secure, and cost-effective money movement.

Jan 2024

Founder Contacts

41,000+ verified contacts

Chicago, United States

The HAAS Alert Safety Cloud® streams real-time road hazard information to connected and autonomous cars to make roads safer and smarter.

Jan 2024

Founder Contacts

41,000+ verified contacts

Izmir, Turkey

Defy is a software company that provides blockchain services for web3 and anti-money laundering solutions.

$400K raised
Jan 2026

Founder Contacts

41,000+ verified contacts

New York, United States

Draivn offers a comprehensive fleet dataset available via a single API, tailored for the benefit of insurers and brokers.

$1.9M raised
Jan 2024

Founder Contacts

41,000+ verified contacts

Bucharest, Romania

AI-Powered Health & Fitness Video Platform

$212K raised
Jan 2023

Founder Contacts

41,000+ verified contacts

Geneva, Switzerland

WeCan.Fund is a swiss Fintech startup that provides API-Rest based financial services platform to make the Swiss economy stronger.

$1.6M raised
Jan 2022

Founder Contacts

41,000+ verified contacts

Florence, Italy

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

$11.6M raised
Dec 2025

Founder Contacts

41,000+ verified contacts

New York, United States

Neo Revenue Engine providing plug-and-play API solutions for cross-industry marketplaces. Merging MaaS + BaaS

$500K raised
Jan 2024

Founder Contacts

41,000+ verified contacts

Lenexa, United States

OpenRelay is a distributed relayer of fine order book infrastructures.

$1.5M raised
Dec 2021

Founder Contacts

41,000+ verified contacts

New York, United States

Rowy is a low-code platform that makes building any product’s backend functionality and database as easy as using spreadsheets.

$3.0M raised
Dec 2022

Founder Contacts

41,000+ verified contacts

Bentonville, United States

ULTD is a mobile-based augmented reality game powered by web3 technology and NFTs

$250K raised
Jan 2022

Founder Contacts

41,000+ verified contacts

London, United Kingdom

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

$7.6M raised
Jan 2024

Founder Contacts

41,000+ verified contacts

Miami, United States

ClimateTrade is a blockchain platform for carbon offsetting. In 2018 launched the first Carbon API in the world

$7.9M raised
Jan 2022

Founder Contacts

41,000+ verified contacts

Showing 401 to 425 of 519 companies

About the Developer APIs Startup Ecosystem

The developer apis sector is an active area of startup innovation and venture capital investment. Companies in this space are developing new technologies, platforms, and services that address evolving market needs and create new business opportunities.

Funding Trends in Developer APIs

Developer APIs companies raise capital across various funding stages, from early seed rounds to late-stage growth financing. Investor interest in this sector is driven by the size of the addressable market, the pace of technology adoption, and the potential for scalable business models.

Growth Outlook

The developer apis sector is expected to continue evolving as technology advances, market dynamics shift, and new opportunities emerge. Companies that demonstrate strong product-market fit, efficient growth, and clear competitive advantages are well-positioned to attract continued investment.

Developer APIs Funding Breakdown

Here is how funding is distributed among the 519 developer apis companies tracked in the VCBacked database.

Average Funding
$4.1M
Total Funding Tracked
$103.4M
Countries Represented
8

Distribution by Funding Stage

Other25 companies

Top Cities for Developer APIs

1.New York
6 companies$7.6M
2.San Francisco
3 companies$6.9M
3.London
2 companies$26.6M
4.Besiktas
1 companies$5.0M
5.Boulder
1 companies$5.0M

Related Industries

Companies in the developer apis sector often overlap with or complement businesses in adjacent industries. Exploring related verticals can help you discover additional companies, identify partnership opportunities, and understand the broader competitive landscape.

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