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Developer APIs Startups

Updated July 2026

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

Explore 419 recently funded developer apis companies with verified founder contact information and fundraising data.

Total Companies
419
Total Funding
$481.9M
Avg Funding
$19.3M
Global Reach
8
countries

Top Cities for Developer APIs

London
Berlin
Boulder
Mountain View
Singapore
San Francisco

Recently Funded Companies

Export
London, United Kingdom

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

$50.0M raised
Dec 2025

Founder Contacts

30,000+ verified contacts

Berlin, Germany

Mondu is a fintech company that offers B2B payment services.

$117.0M raised
Dec 2025

Founder Contacts

30,000+ verified contacts

Berlin, Germany

EMnify is the leading cloud building block for cellular communications in the IoT stack, connecting millions of IoT devices globally.

$57.0M raised
Jan 2022

Founder Contacts

30,000+ verified contacts

Boulder, United States

The leading global SaaS solution and connectivity stack for the Experiences Marketplace

Jan 2023

Founder Contacts

30,000+ verified contacts

Mountain View, United States

Smartcar is a software platform that integrates mobility apps and services with cars.

$24.0M raised
Jan 2022

Founder Contacts

30,000+ verified contacts

Singapore, Singapore

UNL is a smart micro-location and mapping platform building the Internet of Places.

$4.5M raised
Jan 2022

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Harmonic provides data that moves at the speed of startups.

$23.0M raised
Nov 2022

Founder Contacts

30,000+ verified contacts

Seattle, United States

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

$17.0M raised
Nov 2021

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Open Ledger embeds automated accounting software into products for small businesses.

$3.0M raised
Jan 2025

Founder Contacts

30,000+ verified contacts

San Francisco, United States

PubNub Data Stream Network is a secure global Data Stream Network that enables mobile and web developers to build and scale real-time apps.

$65.0M raised
Nov 2021

Founder Contacts

30,000+ verified contacts

Las Vegas, United States

Assail AI develops Ares, an agentic AI platform for autonomous offensive security testing targeting mobile apps, APIs, web infrastructure.

$250K raised
Jan 2026

Founder Contacts

30,000+ verified contacts

Barendrecht, The Netherlands

Connect your app, content, business or any application to printed products around the world through the Cloudprinter.com print API.

Nov 2023

Founder Contacts

30,000+ verified contacts

Clarkston, United States

Transcend Software & Technology Solutions offers web development, cloud solutions, API, cyber security, and business intelligence services.

$1.0M raised
Jan 2023

Founder Contacts

30,000+ verified contacts

Angers, France

The modern API doc platform

$3.9M raised
Nov 2022

Founder Contacts

30,000+ verified contacts

Palo Alto, United States

Pangea helps security teams ship secure AI applications fast and protect workforce AI use with comprehensive AI security guardrails.

$26.0M raised
Nov 2022

Founder Contacts

30,000+ verified contacts

Melbourne, Australia

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

$15.3M raised
Nov 2022

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Flexpa allows digital health apps to connect to new patient access APIs.

$126K raised
Nov 2022

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Alchemy is a developer platform that helps companies to build reliable decentralized applications.

Nov 2025

Founder Contacts

30,000+ verified contacts

London, United Kingdom

SearchLand is a proptech that lets property developers and investors find potential sites and contact landowners directly via the platform.

$2.8M raised
Nov 2022

Founder Contacts

30,000+ verified contacts

Amsterdam, The Netherlands

Citeel develops Panthera, a modular zero-trust cybersecurity system securing critical infrastructure and data

$1.2M raised
Jan 2024

Founder Contacts

30,000+ verified contacts

Boston, United States

AdeptID is the developer of machine-learning-powered talent matching software to support hidden talent in the workforce.

Jan 2024

Founder Contacts

30,000+ verified contacts

Toronto, Canada

Buf is building tools to help companies completely change the way they work with APIs throughout their lifecycle.

$68.0M raised
Nov 2021

Founder Contacts

30,000+ verified contacts

Boston, United States

Simbo AI, is providing Enterprise LLM AI platform for businesses for automation without human intervention using Symbolic RAG architecture.

Jan 2023

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Makini is One API for All industrial enterprise integrations

$350K raised
Jan 2022

Founder Contacts

30,000+ verified contacts

Wilmington, United States

Silverhand specializes in providing open-source technology solutions.

$2.5M raised
Jan 2022

Founder Contacts

30,000+ verified contacts

Showing 351 to 375 of 419 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 419 developer apis companies tracked in the VCBacked database.

Average Funding
$19.3M
Total Funding Tracked
$481.9M
Countries Represented
8

Distribution by Funding Stage

Other25 companies

Top Cities for Developer APIs

1.San Francisco
6 companies$91.5M
2.London
2 companies$52.8M
3.Berlin
2 companies$174.0M
4.Boston
2 companiesUndisclosed
5.Boulder
1 companiesUndisclosed

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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419 Developer APIs Startups (2026) — Recently Funded Companies, Investors & Rounds | VCBacked