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Best Unified APIs Software in 2025 - Page 4

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Multi-domain unified integrations with stable scaling

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Merge Unified

Unified HRIS + payroll integrations

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Finch

European HRIS normalization and compliance-aligned integrations

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Kombo

Featured Unified APIs Software At A Glance

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Knit API
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Top Tools at a Glance

Best for

Multi-domain unified integrations with stable scaling

User Review

"Exceptional Support and Rapid Feature Releases"

Bhavik P.
BP

Bhavik P.

Small-Business (50 or fewer emp.)

Best for

Unified HRIS + payroll integrations

User Review

"Outstanding Client Service Sets Finch Apart"

Jean S.
JS

Jean S.

Small-Business (50 or fewer emp.)

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Sponsored
Unified.to
Product Description

350+ integrations across 21 Unified APIs — Unified is the real-time unified API + MCP platform for AI-powered SaaS applications. One customer integration request can take a software team months...

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Best for

European HRIS normalization and compliance-aligned integrations

User Review

"Amazing breadth and depth across HRIS providers. Extremely responsive and supportive team"

Wes K.
WK

Wes K.

Small-Business (50 or fewer emp.)

Best for

Stable HR + payroll data connectivity

User Review

"Effortless Financial Data Integration with Knit API"

RT

Rachana T.

Small-Business (50 or fewer emp.)

Best for

Customizable unified API workflows

User Review

"Months to days with Refold"

Verified User
U

Verified User

Mid-Market (51-1000 emp.)

Best for

Expanding integration catalogs without added engineering overhead

User Review

"Unified API and responsive support unlock integration potential"

Elpidiusz W.
EW

Elpidiusz W.

Enterprise (> 1000 emp.)

Best for

Large-scale unified integration coverage across categories

User Review

"A tremendous timesaver and value provider to the end user"

Jean-Marc L.
JL

Jean-Marc L.

Small-Business (50 or fewer emp.)

Best for

Automotive data access and mobility integrations

User Review

"Seamless Vehicle API Integration"

Cristian C.
CC

Cristian C.

Small-Business (50 or fewer emp.)

Best for

Developer-centric integration automation

User Review

"Nango Streamlines Integrations and Boosts Efficiency"

GK

Gaurav K.

Mid-Market (51-1000 emp.)

Best for

Standardized access to accounting and financial data via a single API

User Review

"We have partnered with Codat for nearly 4 years and they have always been helpful and knowledgeable"

Verified User
E

Verified User

Small-Business (50 or fewer emp.)


Multi-domain unified integrations with stable scaling

Unified HRIS + payroll integrations

European HRIS normalization and compliance-aligned integrations

Stable HR + payroll data connectivity

Customizable unified API workflows

Expanding integration catalogs without added engineering overhead

Large-scale unified integration coverage across categories

Automotive data access and mobility integrations

Developer-centric integration automation

Standardized access to accounting and financial data via a single API

Buyer's Guide: Unified APIs

All Unified APIs Tools

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58 Listings in Unified APIs Available
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Pros and Cons

Users love the ease of use of Duffel, making travel booking simple and efficient with its clean design.

Users love the easy booking process of Duffel, allowing for quick and hassle-free travel arrangements.

Users love the quick booking process with Duffel, making travel planning fast and hassle-free.

Users find Duffel's reporting features lacking, missing essential tools for detailed expense monitoring and analysis.

Users find the filtering issues in Duffel's reporting features limiting for effective cost control and expense analysis.

Users find the high prices of Duffel restrictive, limiting their ability to customize travel plans within their budget.

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Why You Can Trust G2's Software Rankings

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