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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
$849.9M
Avg Funding
$34.0M
Global Reach
8
countries

Top Cities for Developer APIs

New York
Strathaven
Singapore
Boulder
Santa Monica
Tallinn

Recently Funded Companies

Export
New York, United States

Substrate is a platform API for creating and running modular AI workflows with connected models and data tools.

$8.0M raised
Jun 2024

Founder Contacts

41,000+ verified contacts

Strathaven, United Kingdom

Chert builds an API platform for AI-powered messaging agents and sales outreach on iMessage and other direct messaging channels.

Jun 2026

Founder Contacts

41,000+ verified contacts

Singapore, Singapore

SiliconFlow develops cloud-based platforms and tools for deploying and operating large language models and multimodal AI systems.

$295.8M raised
Jun 2026

Founder Contacts

41,000+ verified contacts

Boulder, United States

Hydra offers a bare metal GPU platform, connecting businesses to a vareity of independent but standardized AI Factory Franchises.

$100.0M raised
Jun 2026

Founder Contacts

41,000+ verified contacts

Santa Monica, United States

Keyframe's interactive video models turn agents into lifelike video calls.

Jun 2026

Founder Contacts

41,000+ verified contacts

Tallinn, Estonia

NFTPort provides one-stop and developer-friendly NFT infrastructure and APIs for developers.

$26.0M raised
Jun 2022

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Truework is a one-stop platform that helps banks, lenders, and others verify income and employment.

$24.0M raised
Jun 2023

Founder Contacts

41,000+ verified contacts

Canberra, Australia

JDoodle is an AI powered online programming platform that offers online IDE, software compilers, APIs, embedded IDEs, and assessments.

$2.2M raised
Jun 2023

Founder Contacts

41,000+ verified contacts

New York, United States

Rad is a online entertainment platform.

$3.0M raised
Jun 2023

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Cochl is a deep-tech startup making a foundation model for sound AI.

$5.0M raised
Jun 2023

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Arcade is an MCP runtime that helps AI Agents securely connect to APIs, data, and enterprise systems

$60.0M raised
Jun 2026

Founder Contacts

41,000+ verified contacts

Miami, United States

A serverless Solana development platform.

$2.6M raised
Jun 2023

Founder Contacts

41,000+ verified contacts

Los Angeles, United States

Leaf Agriculture is the provider of a unified farm data API and it builds the future of food and agriculture.

$13.0M raised
Jun 2026

Founder Contacts

41,000+ verified contacts

London, United Kingdom

API-first global payments, enterprise-grade compliance and real-time settlements, powered by stablecoin technology.

$22.0M raised
Jun 2025

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Mentum is an API for fintech companies that offers investment services.

$4.2M raised
May 2022

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Doubleword is an optimization and compression platform that allows customers to achieve best-in-class model throughput, and accuracy.

$12.0M raised
May 2025

Founder Contacts

41,000+ verified contacts

New York, United States

ElevenLabs develops artificial intelligence software focused on speech synthesis and voice generation.

$100.0M raised
May 2026

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Astrada is a software company that provides financial infrastructure, payments, and automation services.

$3.8M raised
May 2026

Founder Contacts

41,000+ verified contacts

Palo Alto, United States

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

$107.0M raised
May 2026

Founder Contacts

41,000+ verified contacts

Miami, United States

The leader in global financial infrastructure for Digital Assets.

$30.0M raised
May 2022

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Cheq’s mission is to bring cryptocurrency to the mainstream.

$2.0M raised
May 2022

Founder Contacts

41,000+ verified contacts

Syracuse, United States

TruWeather Solutions is a micro weather analytics and technology company.

$5.3M raised
May 2023

Founder Contacts

41,000+ verified contacts

Florianópolis, Brazil

Fluid integration platform speeds up innovation by solving your data & systems integration challenges through a low code approach.

May 2023

Founder Contacts

41,000+ verified contacts

Hong Kong, Hong Kong

First Digital Trust is a technology-driven financial institution powering the digital asset industry.

$20.0M raised
May 2022

Founder Contacts

41,000+ verified contacts

Grand Cayman, Cayman Islands

API3 is a decentralized API (dAPI) network that enables data providers to become their own blockchain ‘oracles.

$4.0M raised
May 2024

Founder Contacts

41,000+ verified contacts

Showing 101 to 125 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
$34.0M
Total Funding Tracked
$849.9M
Countries Represented
8

Distribution by Funding Stage

Other25 companies

Top Cities for Developer APIs

1.San Francisco
5 companies$97.0M
2.New York
3 companies$111.0M
3.London
3 companies$36.0M
4.Miami
2 companies$32.6M
5.Strathaven
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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519 Developer APIs Startups (2026) — Recently Funded — Page 5 | VCBacked