18.3
Windmill is an open-source workflow engine and developer platform for building endpoints, workflows and user interfaces.
Free planOpen sourceWebAPILinux
Best API Integration Platforms in 2026
Connecting APIs often means building repeatable workflows across services and deciding how much control you need over deployment. The ranked entries begin with Celigo, Windmill, and n8n, with Apache Camel and Google Cloud Application Integration also among the first options. Compare workflow builders, reusable workflows, webhook triggers, and custom connectors to understand how each supports integration work.…
28.3
Workato Agent Studio is a web-based, API-accessible tool for building and configuring AI agents called Genies.
Free planiOSWebAPI
38.0
Azure Logic Apps is a managed integration platform for automating workflows, connecting data, and coordinating processes across cloud and on-premises environments.
Free planWebAPILinux
- 4
Nango
Nango provides infrastructure for building, running, and maintaining integrations between products or AI agents and external APIs.
Free planOpen sourceWebAPISelf-hosted7.9Free plan - 5
Apache NiFi
Apache NiFi is free, open-source software for automating data flows between systems, including cybersecurity, observability, event stream, and generative AI pipelines.
Free planOpen sourceWebAPILinuxmacOS7.8Free plan - 6
Boomi
Boomi is a hybrid enterprise platform for connecting applications and data, managing APIs, and automating processes.
WebAPILinuxSelf-hosted7.6$99 usage-based - 7
Knit
Knit provides integration tools for software teams and workflow builders: a Unified API, a natural-language Integrations Agent, and MCP servers.
Free planAndroidiOSWebAPI7.6From $29 a month - 8
Apache Camel
Apache Camel is an integration framework for linking applications, services, APIs, and data across cloud and on-premises environments.
Free planOpen sourceAPILinuxmacOSSelf-hosted7.5Free plan - 9
GitHub CodeQL
GitHub CodeQL is a language and toolchain for analyzing code as data.
Free planWebExtensionLinuxmacOS7.5From $30 a month - 10
SnapLogic
WebAPILinuxmacOS7.1 - 11
Celigo
Celigo is an integration-driven automation platform for connecting major apps, marketplaces, ERPs, 3PLs and trading partners.
Free planWeb7.0Free plan - 12
Pipedream
Pipedream is an integration layer for AI agents that provides managed authentication and tools across thousands of APIs.
Free planWebAPI7.0From $99 a month - 13
IBM App Connect
WebAPILinuxSelf-hosted6.8From $2,544 a year - 14
Superfeedr
Superfeedr is a feed API for applications that publish content, consume feeds, or track mentions across feeds.
Free planWebAPI6.7From $2 a month - 15
TransportAPI
Free planAndroidiOSWebAPI6.7Free plan - 16
API2Cart
API2Cart gives SaaS developers and B2B eCommerce software providers one API for connecting software to more than 80 shopping platforms and marketplaces.
WebAPISelf-hosted6.6From $300 a month - 17
Jitterbit Harmony
Jitterbit Harmony is a hybrid integration platform with workflow orchestration, data transformation, and real-time synchronization.
WebAPILinuxmacOS6.6 - 18
Mule ESB
Mule ESB refers to MuleSoft’s Anypoint Platform, a paid service for integrations, APIs, and automation.
WebAPISelf-hosted6.5From $2 a month - 19
n8n
n8n is a workflow automation platform for connecting services and APIs, with multi-step workflows and conditional logic.
Self-hosted6.5From €20 a month - 20
Paragon
WebAPISelf-hosted6.5 - 21
SAP Extended Enterprise Content Management by OpenText
AndroidiOSWebLinux6.4 - 22
Google Cloud Application Integration
Google Cloud Application Integration is a managed integration service for connecting applications and data used in business operations.
Free planWebAPI6.3Free plan - 23
Oracle Integration
WebAPI6.3 - 24
Tray.ai
WebAPI6.2 - 25
WrapAPI
WrapAPI builds APIs on top of existing websites through a visual workflow.
Free planWebAPIExtensionSelf-hosted6.2Free plan