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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
$463.5M
Avg Funding
$18.5M
Global Reach
6
countries

Top Cities for Developer APIs

Dover
San Francisco
Toronto
Linköping
Wilmington
Boston

Recently Funded Companies

Export
Dover, United States

Nango lets developers build product integrations with AI, connecting their product & agents to 700+ APIs.

$4.5M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Rapid delivers the next-generation API platform that enables developers to build, use and share APIs.

$150.0M raised
Mar 2022

Founder Contacts

41,000+ verified contacts

San Francisco, United States

WorkOS is a unified platform with modern APIs and SDKs for enterprise-ready features.

$100.0M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

San Francisco, United States

PromptLoop enables users to build spreadsheet models powered by Artificial Intelligence.

$500K raised
Mar 2022

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Pelm provides digital infrastructure to develop API for accessing and managing user's energy data.

$500K raised
Mar 2022

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Complete collaboration toolkit for B2B: comments, notifications, recordings, multiplayer, huddles.

$2.8M raised
Mar 2022

Founder Contacts

41,000+ verified contacts

Toronto, Canada

Uniblock is the world's first unified Web3 API that connects the most popular blockchain networks and protocols into one singular standard

$5.2M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Linköping, Sweden

Next Generation Cloud Provider for Front-end Developers to build with scalability, performance, and global legal compliance

$3.4M raised
Mar 2022

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Shofo is a video library that offers custom datasets and API to generate indexes, queries, and analyze social media for data insights.

$500K raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Wilmington, United States

Liveblocks provides real-time infrastructure for building collaborative applications for multiplayer experiences and AI agent interactions.

$5.0M raised
Mar 2022

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Ramper provides simple login for blockchain applications to remove friction preventing the adoption of web3.

Mar 2023

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Rutter develops a universal API that integrates with every commerce, accounting, and payments platform.

$27.0M raised
Mar 2022

Founder Contacts

41,000+ verified contacts

Boston, United States

Use your favorite apps and tools with anyone in the Metaverse!

$280K raised
Mar 2022

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Free & Open-Source Alternative to Postman.

Mar 2023

Founder Contacts

41,000+ verified contacts

Huixquilucan, Mexico

The Robin for the Batman, but in tech innovation

$650K raised
Mar 2023

Founder Contacts

41,000+ verified contacts

Wilmington, United States

Convoy is an online gateway that sends, receives, and manages webhooks events.

Mar 2022

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Apollo GraphQL helps developers build better software with a declarative, graph-based approach to API orchestration.

Mar 2022

Founder Contacts

41,000+ verified contacts

London, United Kingdom

AI-native payments infrastructure. Autonomous agents handle onboarding, disputes, compliance, and monitoring — no dashboards, no ops team

$500K raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Waterloo, Canada

Axelar is a decentralized communication tool that connects blockchain ecosystems, applications, and assets.

$30.0M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Paris, France

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

$17.9M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Banana is an ML API for developers to run ML workloads from a single line of code, without any learning curve.

$3.4M raised
Feb 2024

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Qredo is a platform that provides secure and fast movement of digital assets.

$80.0M raised
Feb 2022

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Derapi is the universal, enterprise-grade API for distributed energy resource (DER) devices.

$7.0M raised
Feb 2026

Founder Contacts

41,000+ verified contacts

Boulder, United States

Credible Data develops context engines for AI-native data experiences, including analysis tools, dashboards, APIs, and agents.

$10.3M raised
Feb 2026

Founder Contacts

41,000+ verified contacts

Washington, United States

Prefect is a Python-based orchestration platform that empowers data teams to build resilient, adaptable data pipelines and workflows.

$14.0M raised
Feb 2024

Founder Contacts

41,000+ verified contacts

Showing 201 to 225 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
$18.5M
Total Funding Tracked
$463.5M
Countries Represented
6

Distribution by Funding Stage

Other25 companies

Top Cities for Developer APIs

1.San Francisco
12 companies$291.7M
2.Wilmington
2 companies$5.0M
3.London
2 companies$80.5M
4.Dover
1 companies$4.5M
5.Toronto
1 companies$5.2M

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 9 | VCBacked