Top 10 iPaaS Software Companies With $1M–$5M Revenue (November 2026)

Bucharest, Bucharest, Romania

MadConnect is the Intelligent Connectivity Layer (ICL) powering the new era of modern marketing and advertising. Purpose-built to unify fragmented tech stacks, it enables platform-platform connectivity across the MarTech ecosystem within hours - without rebuilding or engineering lift. With native support for Model-Context Protocol (MCP), MadConnect AI-enables existing marketing stacks to immediately deliver agentic automation and intelligent workflows across businesses - securely and at scale. MadConnect Professional Services helps organizations accelerate implementation, refine data strategy, and unlock the full value of their existing marketing and advertising infrastructure. Founded in 2021, MadConnect is a trusted partner to leading agencies, brands, data providers, and platforms. To learn more, visit madconnect.ai.

Pleasanton, California, United States

An integration, replication, backup platform

Johannesburg, South Africa

Developer and provider of a cloud integration platform. The company provides an integration cloud to build, run and manage integrations from a single platform by providing data imports and exports, data warehousing, API management and data management.

Los Angeles, California, United States

B2B Integrations and Apps platform

San Francisco, California, United States

No-code module library | JavaScript & NPM packages | HTTP & API integrations | Visual drag-&-drop design. Empowering businesses to build, integrate, and scale applications efficiently.

San Francisco, California, United States

Open-source no-code business automation tool

Austin, Texas, United States

LeadsBridge is an iPaaS automation solution that enables marketers and advertisers to enhance their omnichannel strategy and build their own interconnected marketing ecosystem. LeadsBridge fulfils your integration needs, focusing on bridging gaps between top advertising platforms - Google, Facebook, LinkedIn and TikTok - and main marketing platforms - CRM, email marketing software, autoresponder, and so much more. LeadsBridge is also equipped to develop tailor-made integrations based upon your unique business needs. The LeadsBridge solution is specifically designed for companies that want to streamline their advertising activities by integrating their marketing stack with Facebook & Instagram Ads, Google Ads, LinkedIn Ads, and TikTok Ads. With 380+ out-of-the-box integrations available, you can easily connect your favorite software with your advertising platforms, seamlessly synchronizing data for your marketing workflows. With LeadsBridge’s integrations, data flows from a source into a destination of your choice automatically and in real time, while always maintaining CCPA and GDPR compliance.

London, London, United Kingdom

Governments and NGOs worldwide trust OpenFn as their infrastructure backbone to connect Digital Public Goods with other digital services. OpenFn saves organizations time, enhances service delivery, and enables interoperability at scale. Open Function Group is a team of passionate global integration specialists and stewards of the OpenFn DPG. We've delivered solutions to the world's leading social sector organizations in 40+ countries across 4+ continents. OpenFn.org is an integration platform that provides a secure, stable, and scalable (S³) infrastructure for connecting any application and automation critical workflows. Learn more at https://www.openfn.org and https://docs.openfn.org

California, United States

API Nation connects all your real estate tools, automating data flow and empowering you to take full ownership of your data. Trusted by over 10,300 leaders in the real estate industry, our platform streamlines workflows across the entire business cycle - from lead management and routing to contact synchronization, file backups, document transfers, commission data handling, accounting automation, and centralized data management.

Austin, Texas, United States

Inc. Power Partner Honoree 2023 Our mission at APIWORX is to empower eCommerce businesses to thrive and expand without limitations. We are committed to accelerating growth by simplifying and efficiently managing intricate OmniChannel data streams in eCommerce. Through our services, we enable our clients to gain back valuable time and save resources, making it possible for them to rapidly scale their businesses. Our core emphasis lies in automation and integration, oftentimes for consuming back office functions like order and inventory management. Through collaborating with leading industry partners, we develop world-class integration solutions to drive success in eCommerce. Our Integration as a Service (IPAAS) platform is specifically designed for the unique needs of eCommerce businesses.