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Developer APIs Startups

Updated August 2026

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

Explore 511 recently funded developer apis companies with verified founder contact information and fundraising data.

Total Companies
511
Total Funding
$397.7M
Avg Funding
$15.9M
Global Reach
5
countries

Top Cities for Developer APIs

San Francisco
Olonne-sur-mer
San Mateo
Boston
Cambridge
Espoo

Recently Funded Companies

Export
San Francisco, United States

Sieve supplies video data to frontier AI labs.

Nov 2022

Founder Contacts

41,000+ verified contacts

Olonne-sur-mer, France

Filiz is a software firm offering ERP solutions, contract management, billing, digital forms, and dashboards.

$6.9M raised
Nov 2025

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Performance & availability monitoring for the cloud apps your SaaS depends on

$4.0M raised
Nov 2022

Founder Contacts

41,000+ verified contacts

San Mateo, United States

Checkbook provides a single API to enables business to send payments at scale. Payments can go over any rail. No payee enrollment required

$10.0M raised
Nov 2021

Founder Contacts

41,000+ verified contacts

San Mateo, United States

Human API is a real-time health data network that gives consumers a simple way to view and share their health data from everywhere.

Nov 2021

Founder Contacts

41,000+ verified contacts

San Francisco, United States

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

$40.0M raised
Nov 2025

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Captain Technologies offers an API solution to make unstructured data searchable in natural language.

$500K raised
Nov 2025

Founder Contacts

41,000+ verified contacts

Boston, United States

Huwise is a company that provides a SaaS-based data product marketplace platform for managing and sharing data.

$25.0M raised
Jan 2022

Founder Contacts

41,000+ verified contacts

San Francisco, United States

LlamaIndex enables enterprises to build AI Knowledge Assistants, improving data management, utilization, and enterprise intelligence.

$1.0M raised
Oct 2025

Founder Contacts

41,000+ verified contacts

Cambridge, United States

Solo.io delivers cloud-native API and service mesh solutions, built on Istio and Envoy, to secure and scale apps across any environment.

$135.0M raised
Oct 2021

Founder Contacts

41,000+ verified contacts

Espoo, Finland

Effortless, secure Open Banking access. One API to connect to business & personal accounts across 29 European countries.

$587K raised
Oct 2022

Founder Contacts

41,000+ verified contacts

Madrid, Spain

Enhance data integrity and traceability with certified evidence on blockchain, ensuring the trust and transparency your business need

$1.6M raised
Oct 2021

Founder Contacts

41,000+ verified contacts

San Jose, United States

Synqly is an Integration-as-a-Service Platform that provides a cybersecurity integration ecosystem with AI-enabled integrations.

$4.0M raised
Oct 2023

Founder Contacts

41,000+ verified contacts

Miami, United States

A Google certified CMP. Get, centralize and use users consents.

$440K raised
Oct 2021

Founder Contacts

41,000+ verified contacts

Orlando, United States

Rethinking the way that Identities and Security are integrated, protected and exposed

$350K raised
Oct 2022

Founder Contacts

41,000+ verified contacts

San Diego, United States

GoShare is an on-demand delivery & logistics platform that connects businesses with a nationwide network of trusted delivery professionals.

$3.8M raised
Oct 2021

Founder Contacts

41,000+ verified contacts

Dover, United States

Devtron is an open source DevOps platform.

$12.0M raised
Oct 2022

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Merge is one API to add hundreds of integrations to your product

$55.0M raised
Oct 2022

Founder Contacts

41,000+ verified contacts

Toronto, Canada

Cybrid uses APIs that enable banks, and financial institutions to seamlessly launch a cryptocurrency and De-fi products.

$10.0M raised
Oct 2025

Founder Contacts

41,000+ verified contacts

Santa Clara, United States

Agora.io enables developers to add HD interactive broadcast, voice, and video calls into mobile and web apps through SDK.

Oct 2021

Founder Contacts

41,000+ verified contacts

Vancouver, United States

Embed develops securities execution, clearing, settlement, and custody APIs for the financial services industry.

$40.0M raised
Oct 2021

Founder Contacts

41,000+ verified contacts

Palo Alto, United States

Stardust is a software platform for game building in the metaverse.

$30.0M raised
Oct 2022

Founder Contacts

41,000+ verified contacts

San Jose, United States

Monoly provides a decentralized SaaS platform and its applications for enterprise.

$14.0M raised
Oct 2022

Founder Contacts

41,000+ verified contacts

Paris, France

The Agent Gateway. Cut Token Costs up to 50%.

$2.9M raised
Oct 2024

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Synthetic is an online platform that lets users run and interact with open‑source large language models privately without storing user data.

$500K raised
Oct 2025

Founder Contacts

41,000+ verified contacts

Showing 476 to 500 of 511 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 511 developer apis companies tracked in the VCBacked database.

Average Funding
$15.9M
Total Funding Tracked
$397.7M
Countries Represented
5

Distribution by Funding Stage

Other25 companies

Top Cities for Developer APIs

1.San Francisco
7 companies$101.0M
2.San Mateo
2 companies$10.0M
3.San Jose
2 companies$18.0M
4.Olonne-sur-mer
1 companies$6.9M
5.Boston
1 companies$25.0M

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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