All Industries
Top Developer APIs Companies
9 Developer APIs companies, sorted by total funding raised.
Scale AI
Data-centric infrastructure to accelerate the development of AI
San Francisco, United States201–500Artificial Intelligence, Data & Analytics
Series G+·$1.9B·Jun 2025
Algolia
A developer-friendly and enterprise-grade search API.
San Francisco, United States501–1000Developer Tools, SaaS
Series D·$332.8M·Jul 2021
Stytch
Acquired
API-first authentication platform providing passwordless and identity tools to developers and ent...
San Francisco, United States51–200Cybersecurity, Developer Tools
Venture Round·$132.0M·Feb 2023
Dune Analytics
Onchain data platform enabling analysts, developers, and enterprises to query, visualize, and str...
Oslo, Norway51–200Crypto & Web3, Data & Analytics
Series B·$79.4M·Feb 2022
Lob
Lob is the only automation platform that transforms direct mail into…
San Francisco, United States51–200Automation, Developer APIs
Series C·$79.4M·Feb 2021
OXIO
AWS for wireless connectivity to enable enterprises to own and build new connectivity experiences
San Francisco, United States51–200Retail, Developer APIs
Series B·$71.9M·Mar 2022
Courier
The fastest way for developers to build notifications for their app.
San Francisco, United States11–50Developer Tools, App Development
Series B·$47.4M·Jun 2022
Paragon
The embedded integration platform for SaaS apps.
Los Angeles, United States11–50Developer Tools, SaaS
Venture Round·$21.0M·Oct 2024
Teller
Banking APIs for developers Web Development Developer APIs FinTech
London, United Kingdom 1-10 employees Founded: 2018 Funding: Founders Fund Bessemer Raised $7M in 2022 Take action: See who works here 🤝 Check company site 📌 View Jobs1–10Developer APIs, Fintech
Seed·$4.0M·Jan 2020