Unified API Platforms

StackOne

One integration platform, two powerful interfaces.

A unified API platform for HRIS, ATS, and LMS integrations, also offering AI Agent Actions.

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Apideck

The All-in-One API Solution.

Offers a suite of tools including Unified APIs, API integrations, and an integrations marketplace.

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Knit

One API for every customer-facing integration.

A unified API platform for B2B SaaS to connect with HRIS, CRM, accounting, and other systems.

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Unified.to

The fastest way to build integrations.

A unified API platform for categories like CRM, ATS, HR, and Messaging, with a focus on speed and developer experience.

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Merge

One API for all customer-facing integrations.

A Unified API platform for B2B companies to add hundreds of integrations to their product.

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Finch

The Unified API for HR and Payroll.

A unified API platform focused exclusively on the employment sector, connecting to HRIS and payroll systems.

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hotglue

The embedded integration platform for developers.

An open-source, developer-first platform for building native SaaS integrations.

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Paragon

The Embedded Integration Platform for B2B SaaS.

A low-code embedded integration platform that provides a visual workflow builder and unified APIs.

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Pipedream

The integration platform for developers.

A serverless integration platform for developers to connect APIs and automate workflows with code-level control.

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Nango

The open-source platform for product integrations.

An open-source unified API platform that allows for deep customization and control over integrations.

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