# Best Unified APIs Software - Page 4

## How Many Unified APIs Software Products Does G2 Track?

**Total Products under this Category:** 73

### Category Stats (Aug 2026)

- **Average Rating:** 4.62/5 (↑0.01 vs Jul 2026) The average rating of products in this category, based on all submitted ratings
- **Top Trending Product:** Plaid (+1.18%) - Among all products in this category, Plaid recorded the largest rating increase compared to last month

_Last updated: August 06, 2026_

## How Does G2 Rank Unified APIs Software Products?

**Why You Can Trust G2's Software Rankings:**

- 30 Analysts and Data Experts
- 1,800+ Authentic Reviews
- 73+ Products
- Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

## G2 Grid® for Unified APIs Software
 ![G2 Grid® for Unified APIs Software plotting products by satisfaction and market presence](https://www.g2.com/categories/unified-apis/grids.png?focus%5B%5D=146655&focus%5B%5D=165553&focus%5B%5D=1302378&focus%5B%5D=1224093&focus%5B%5D=159501&focus%5B%5D=1318160&focus%5B%5D=112873&focus%5B%5D=152192)

Highlighted products: Merge Unified, Finch, Knit API, Kombo, Apideck Unify, Nango, Smartcar, and Refold.

Underlying data: [Grid® JSON](https://www.g2.com/categories/unified-apis/grids.json?focus%5B%5D=merge-unified&focus%5B%5D=finch-finch&focus%5B%5D=knit-api&focus%5B%5D=kombo&focus%5B%5D=apideck-unify&focus%5B%5D=nango&focus%5B%5D=smartcar&focus%5B%5D=refold)

**Sponsored**

### Serrala

Serrala is the global market leader and innovator in finance process automation. Our award-winning suite of applications is the world’s only fully integrated and fully customizable AI finance automation portfolio. Our solutions give finance leaders the power to evolve, optimize their working capital and streamline all workflows, planning, and compliance, by automating all operational processes across Order to Cash, Procure to Pay, Cash Flow Management, and Treasury. Our AI-powered finance automation suite is trusted by thousands of organizations worldwide to gain real-time insights and create operational excellence through high performance engineering and seamless integration. Our solutions deploy as SAP-embedded extensions of ECC and S/4 HANA, or as cloud-native SaaS for any ERP. We’ve been advancing the office of the CFO for over 40 years with solutions that accelerate growth, enhance decision-making, and achieve sustainable finance success by eliminating obstacles to change like outdated manual processes, fragmented tech ecosystems, and poor data visibility and quality. With our help, our customers can apply breakthrough principles like AI to flexibly create a path to a proactive, strategic, and growth-generating finance function. And see results like: - 50% reductions to cost per invoice and 50%+ straight-through processing rates – even with invoice volumes in the millions. - 99% automation of cash application processes and 30% reductions to DSO via automated credit management and collections. - Full liquidity control and visibility across all global accounts and transactions – no matter how complex their architecture or compliance needs.

[Visit website](https://www.g2.com/external_clickthroughs/record?secure%5Bad_program%5D=ppc&secure%5Bad_slot%5D=category_product_list_llm&secure%5Bcategory_id%5D=1004100&secure%5Bchosen_at%5D=2026-08-13T18%3A53%3A28Z&secure%5Bdisplayable_resource_id%5D=1361&secure%5Bdisplayable_resource_type%5D=Category&secure%5Bmedium%5D=sponsored&secure%5Bplacement_reason%5D=retargeted_product&secure%5Bplacement_resource_ids%5D%5B%5D=97423&secure%5Bprioritized%5D=false&secure%5Bproduct_id%5D=97423&secure%5Bresource_id%5D=1004100&secure%5Bresource_type%5D=Category&secure%5Bsource_type%5D=category_page&secure%5Bsource_url%5D=https%3A%2F%2Fwww.g2.com%2Fcategories%2Funified-apis%3Fhss_channel%3Dlcp-53197721%26page%3D4&secure%5Btoken%5D=f92e38e9f180ef18347b368d8831c9fcb4f350c8753995ee6978b47ebf06ba5b&secure%5Burl%5D=https%3A%2F%2Fwww.serrala.com%2Flp%2Far-demo%3Fmkt_program%3D10992%26utm_source%3Dg2%26utm_medium%3Dcpc%26utm_campaign%3D25Q4-AMS-EN-NB-AAR-FSAR-I2C-G2-PPC&secure%5Burl_type%5D=book_demo)

### [Truv](https://www.g2.com/products/truv/reviews)

The safest and most reliable API connections to payroll accounts that enables income & employment verification, direct deposit switching, and more.

**Average Rating:** 5.0/5.0

**Total Reviews:** 1

#### How Do G2 Users Rate Truv?

- **Ease of Use:** 8.3/10 (Category avg: 8.8/10)

#### Who Is the Company Behind Truv?

- **Seller:** [Truv](https://www.g2.com/sellers/truv)
- **Year Founded:** 2020
- **HQ Location:** New York, US
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=10396959eeff2236b60230928f1f6185a89471fe1b5b9c6ac9190fa04c82f16d&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Ftruvhq&secure%5Burl_type%5D=linkedin_company_website)  
71 employees on LinkedIn®

#### Who Uses This Product?

- **Company Size:** 100% Medium

#### What Are Recent G2 Reviews of Truv?

**["Great for mortgage companies, banks, and other finance companies."](https://www.g2.com/survey_responses/truv-review-8174006)**

**Rating:** 5.0/5.0 stars

_— Candy M._

[Read full review](https://www.g2.com/survey_responses/truv-review-8174006)

### [AlphaLoops](https://www.g2.com/products/alphaloops/reviews)

AlphaLoops is an AI-driven platform designed to automate and enhance various processes within the investment management industry. By leveraging advanced data synthesis and modeling technologies, AlphaLoops transforms complex datasets into actionable insights, enabling financial professionals to make informed decisions and improve investment performance.

#### Who Is the Company Behind AlphaLoops?

- **Seller:** [AlphaLoops](https://www.g2.com/sellers/alphaloops)
- **Year Founded:** 2023
- **HQ Location:** London, GB
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=ba99d4df2e6fb39b6f18b2c0dae24d803394db31115b29260db5cd366529e909&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Falphaloops%2F&secure%5Burl_type%5D=linkedin_company_website)  
6 employees on LinkedIn®

### [AnyAPI.ai](https://www.g2.com/products/anyapi-ai/reviews)

Unified API for ANY AI model. Memory, RAG, Smart Routing, CLI, agents and MCP integrations out of the box.

#### Who Is the Company Behind AnyAPI.ai?

- **Seller:** [ANYAPI](https://www.g2.com/sellers/anyapi)
- **HQ Location:** N/A
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=b2fc6a04628b231d97f543987fe7f1e904f2f9a4df36d3f574a1b36ad58c26ae&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fanyapi-ai%2F&secure%5Burl_type%5D=linkedin_company_website)  
1 employees on LinkedIn®

### [ApyHub Fusion](https://www.g2.com/products/apyhub-fusion/reviews)

Fusion is an all in one API Client enabling teams to Build, Test, Document and Collaborate on APIs in real-time.

#### Who Is the Company Behind ApyHub Fusion?

- **Seller:** [ApyHub](https://www.g2.com/sellers/apyhub)
- **Year Founded:** 2021
- **HQ Location:** Amsterdam, NL
- **Twitter:** @apyhub  
207 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=1345126a812c29f1b158723af56a1b3192a5f0be7988bf5a44168460ea4e9fbc&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fapyhub&secure%5Burl_type%5D=linkedin_company_website)  
11 employees on LinkedIn®

### [Argyle](https://www.g2.com/products/argyle/reviews)

Argyle is the payroll connectivity platform for modern financial services. We provide fast, cost-effective, consumer-permissioned access to the most trusted network for real-time income and employment data. With Argyle, businesses automate verifications and background checks, fund accounts, switch direct deposits, calculate premiums, advance wages, and build more exceptional experiences for their customers. Founded in 2018, Argyle’s coverage of U.S. consumers is superior to the three largest credit bureaus and delivers hit rates 4 to 5x higher than all other data providers at a fraction of the cost.

#### Who Is the Company Behind Argyle?

- **Seller:** [Argyle](https://www.g2.com/sellers/argyle)
- **Year Founded:** 2018
- **HQ Location:** Remote First, US
- **Twitter:** @withArgyle  
1,491 Twitter followers
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=ec30d5bb866d301f230892d342049cdcd1dcbf8aaa61e99d539ad6d36ef61c09&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fargylesystems%2F&secure%5Burl_type%5D=linkedin_company_website)  
103 employees on LinkedIn®

### [bem](https://www.g2.com/products/bem/reviews)

Bem is production infrastructure for unstructured data. Our platform transforms documents, PDFs, images, scans, emails, spreadsheets, and other unstructured files into structured, schema-validated JSON through a secure, API-first pipeline built for regulated industries. Organizations in financial services, insurance, healthcare, and logistics use Bem when business-critical workflows depend on unstructured data, whether that's processing trust documents, extracting controls from compliance reports, automating claims intake, or digitizing logistics paperwork. Teams define a schema once and reuse it across millions of documents, regardless of layout or format variation. Under the hood, Bem routes each document through the right combination of vision, language, and embedding models, selected automatically from over 18 options. The platform enforces type-safe schema contracts, runs confidence scoring on every extraction, and provides full observability into every processing step. Nothing is a black box: every decision is traceable, every output is auditable. When accuracy matters, Bem's human-in-the-loop review and self-training pipeline means the system improves continuously from corrections made during day-to-day operations. Customers start with a baseline and measurably improve over time, with regression analysis to track the delta. Bem deploys on your terms. Run it as a managed cloud service, connect via private link within your VPC, or deploy on-premises. Multi-cloud and multi-region portability means no vendor lock-in and no data egress when that's a requirement. Compliance, data sovereignty, governance, encryption, and retention policies are built in, not bolted on. Teams get started in minutes through a no-code workflow builder or a full REST API, with no lengthy onboarding or custom implementation required.

#### Who Is the Company Behind bem?

- **Seller:** [bem](https://www.g2.com/sellers/bem)
- **Company Website:** www.bem.ai
- **Year Founded:** 2023
- **HQ Location:** San Francisco, US
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=cf107f8910c011de8d09f791671a4c3c2d9a84726ceaf34fd358187c88130046&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fbem-ai&secure%5Burl_type%5D=linkedin_company_website)  
28 employees on LinkedIn®

### [Deck](https://www.g2.com/products/deck/reviews)

Deck is the infrastructure layer for accessing user-permissioned data across industries, from utilities and telecom to ERP, ecommerce, and more.

**Average Rating:** 5.0/5.0

**Total Reviews:** 1

#### How Do G2 Users Rate Deck?

- **Ease of Use:** 10.0/10 (Category avg: 8.8/10)

#### Who Is the Company Behind Deck?

- **Seller:** [Deck](https://www.g2.com/sellers/deck)
- **Year Founded:** 2024
- **HQ Location:** San Francisco, US
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=b4405b0ebb986603d22c5e9fe191ec48e2578f79e8947c491d4c97043b36084b&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fdeck-platform&secure%5Burl_type%5D=linkedin_company_website)  
58 employees on LinkedIn®

#### Who Uses This Product?

- **Company Size:** 100% Small

#### What Are Recent G2 Reviews of Deck?

**["Amazing software for connecting to any user-protected page"](https://www.g2.com/survey_responses/deck-review-11284526)**

**Rating:** 5.0/5.0 stars

_— Sébastien L._

[Read full review](https://www.g2.com/survey_responses/deck-review-11284526)

### [Edlink Unified API](https://www.g2.com/products/edlink-unified-api/reviews)

The Edlink Unified API helps edtech companies quickly integrate with all of the major LMS, SIS, and identity management providers to offer single sign-on, rostering, and coursework & grade sync within their e-learning platform. The mission of Edlink is to improve the quality of and access to education through the use of technology. -Building a broader picture of a student's education experience. -Making educational technology easier to use. -Building software people can rely on.

#### Who Is the Company Behind Edlink Unified API?

- **Seller:** [Edlink](https://www.g2.com/sellers/edlink)
- **Year Founded:** 2019
- **HQ Location:** Austin, US
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=0eaf7baeeac58aea0a39c332e178952c8e9e9f65b6828e73399f585b98ed63d4&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fedlinkapi%2F&secure%5Burl_type%5D=linkedin_company_website)  
30 employees on LinkedIn®

### [Grid Squid](https://www.g2.com/products/grid-squid/reviews)

Grid Squid's unified CRM API allows SaaS companies to connect their product to all top CRMs through a single integration. Built by the team behind Badger Maps, Grid Squid was created to solve a common problem: scaling across the highly fragmented CRM market without building and maintaining separate integrations for each CRM. With Grid Squid, developers integrate once and connect to top CRMs like Salesforce, HubSpot, and Microsoft Dynamics and many more through a standardized, real-time sync API. Grid Squid supports common CRM objects like contacts, accounts, opportunities, as well as advanced functionality like custom objects, filtering, mapping, bulk exports, and event-driven data updates. By replacing multiple CRM integrations with a single API layer, Grid Squid helps product and engineering teams expand into new CRM ecosystems faster while reducing ongoing maintenance. Instead of spending time building and supporting integrations, teams can stay focused on core product development.

#### Who Is the Company Behind Grid Squid?

- **Seller:** [Grid Squid](https://www.g2.com/sellers/grid-squid)
- **Year Founded:** 2025
- **HQ Location:** N/A
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=55aad23290a94f419cffe6ef757b2142f4d3453d73fc3f82e4b4d8037f7fc620&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fgrid-squid%2F&secure%5Burl_type%5D=linkedin_company_website)  
5 employees on LinkedIn®

### [HubRise](https://www.g2.com/products/hubrise/reviews)

HubRise is a cloud-based integration platform designed to streamline operations for restaurants, retailers, and software editors. It acts as a central hub that connects disparate systems such as EPOS, online ordering, loyalty programs, inventory management, and more. From a technical standpoint, HubRise offers an open and public API, making it easy for developers to build and maintain integrations. The platform also includes a menu management solution for updating product offerings across multiple channels, plus an order reception tool that consolidates incoming orders in one place. HubRise addresses the needs of a wide range of users, from single-location restaurants to large chains managing multiple brands and high-volume transactions. It also offers specialized features for dark kitchens—those operating several virtual brands or delivery-only concepts. For software editors, the platform’s white-label approach allows for custom branding and potential revenue generation, without the overhead of building a proprietary integration layer. Key HubRise features include: - Open and public API for seamless integrations - Advanced menu management for consistent updates across multiple channels - Unified order reception to consolidate transactions in real time - Detailed transaction logs for high transparency and easy troubleshooting

#### Who Is the Company Behind HubRise?

- **Seller:** [HubRise](https://www.g2.com/sellers/hubrise)
- **Year Founded:** 2016
- **HQ Location:** Sophia Antipolis, FR
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=1afe566f7f762d397f1772d3e339f230102ee78ef432a1dca1c41d1eca9cbb36&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fhubrise&secure%5Burl_type%5D=linkedin_company_website)  
3 employees on LinkedIn®

### [Integrations](https://www.g2.com/products/syllotips-integrations/reviews)

SylloTips' Integrations enhance organizational knowledge management by seamlessly connecting Sybil, their AI assistant, with various data sources and enterprise applications. Currently supporting OneDrive, with upcoming integrations for Notion, Google Drive, and Confluence, these integrations ensure that vital information is always accessible within Microsoft Teams, streamlining workflows and improving collaboration.

#### Who Is the Company Behind Integrations?

- **Seller:** [SylloTips](https://www.g2.com/sellers/syllotips)
- **Year Founded:** 2023
- **HQ Location:** Rome, IT
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=c5856aa8e60cc3fb301947197ed48fd31767356109c6717ad298dd07398641da&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fsyllotips&secure%5Burl_type%5D=linkedin_company_website)  
13 employees on LinkedIn®

### [Konvex](https://www.g2.com/products/konvex/reviews)

What is Konvex? Konvex is a unified API for ERP integrations that allows B2B SaaS, fintech, and AI companies to connect their product with their customers’ systems through a single integration. Integrating with ERPs like SAP, NetSuite, or Microsoft Dynamics is one of the biggest blockers to selling into mid-market and enterprise. Each integration can take months to build, requires specialized knowledge, and becomes a long-term maintenance burden. Konvex eliminates that complexity. With one integration, you get standardized access to 30+ systems, including SAP Business One, Oracle NetSuite, Microsoft Dynamics, Shopify, and more. We handle authentication, data normalization, infrastructure, and ongoing maintenance, so your team doesn’t have to. Konvex offers two ways to access this infrastructure: - Unified REST API for traditional product integrations - Universal MCP Server for companies building AI agents or running LLMs on top of their customers’ systems This means you can not only integrate data but also enable AI to securely interact with ERP systems through a standardized layer. Instead of building integrations one by one, your product integrates once, and scales across all your customers. What teams achieve with Konvex: - Launch ERP integrations in days instead of months - Close enterprise deals faster - Expand into new markets without rebuilding integrations - Enable AI agents to operate on real customer data (ERP, accounting, eCommerce) - Reduce engineering costs and maintenance overhead Konvex is not an iPaaS or automation tool. It’s integration infrastructure built for companies where integrations are part of the product and increasingly, part of their AI strategy. If your customers require ERP integrations or you’re building AI on top of business data—Konvex becomes your fastest path to deliver both.

#### Who Is the Company Behind Konvex?

- **Seller:** [Konvex](https://www.g2.com/sellers/konvex)
- **HQ Location:** N/A
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=7886df2ed926834e5eb248c77dcfa8e5c815d3ab1f0fe3132ced0dba45868834&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2FNo-Linkedin-Presence-Added-Intentionally-By-DataOps&secure%5Burl_type%5D=linkedin_company_website)  
1 employees on LinkedIn®

### [Leen Unified API](https://www.g2.com/products/leen-unified-api/reviews)

Leen's Unified API streamlines the integration process by combining multiple APIs into a single, standardized interface. This approach simplifies development by providing consistent access to various services, abstracting away complexity, standardizing interactions, normalizing data formats, centrally handling security, and offering scalability. Developers benefit from maintaining just one integration while accessing centralized documentation and support resources. By leveraging Leen's Unified API, product and security teams can focus on their core roadmaps, rather than getting bogged down with integrations and data pipelines.

#### Who Is the Company Behind Leen Unified API?

- **Seller:** [Leen](https://www.g2.com/sellers/leen)
- **Year Founded:** 2023
- **HQ Location:** San Francisco, US
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=6260fef065ce860e0d685556356eb5478aadd3adb42cd2fbe8104a49e7551281&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fleen-security%2F&secure%5Burl_type%5D=linkedin_company_website)  
14 employees on LinkedIn®

### [MCP360](https://www.g2.com/products/mcp360/reviews)

Unified MCP Hub for AI Agents One MCP gateway giving AI agents instant access to 100+ tools. Integrate and manage all your MCPs in one powerful platform. The platform is designed to streamline the process of giving an AI powerful external capabilities. Instead of connecting to and managing many individual APIs for services like Google Search, keyword research or lead finding, teams can use MCP360's single integration point. This allows any AI agent to access a wide range of services using just one account and a simple configuration, simplifying the development workflow.

#### Who Is the Company Behind MCP360?

- **Seller:** [Delta4 Infotech](https://www.g2.com/sellers/delta4-infotech)
- **HQ Location:** Sahibzada Ajit Singh Nagar, IN
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=14cd0df8d8b820063e4304de4d3ba264a7cd15f718d5250ef84b6b2b41826504&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fdelta4-infotech%2F&secure%5Burl_type%5D=linkedin_company_website)  
23 employees on LinkedIn®

### [One scraper API for every social platform](https://www.g2.com/products/one-scraper-api-for-every-social-platform/reviews)

SocialCrawl is a unified social media data API that gives developers and AI agents access to clean, structured data through a single API key. We power AI agents by providing the API to search, scrape, and interact with social media at scale. We serve developers building analytics tools, AI agents that require structured data without platform-specific logic, and non-technical users researching social data.

#### Who Is the Company Behind One scraper API for every social platform?

- **Seller:** [SocialCrawl](https://www.g2.com/sellers/socialcrawl)
- **Year Founded:** 2026
- **HQ Location:** London, GB
- **LinkedIn® Page:** [www.linkedin.com](https://www.g2.com/external_clickthroughs/record?secure%5Bsource_type%5D=product_profile&secure%5Btoken%5D=ea9e5179c0064eda65cda50d3687f433a29b2d32500037521d0dbf5eaef064e1&secure%5Burl%5D=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fsocialcrawldev%2F&secure%5Burl_type%5D=linkedin_company_website)  
2 employees on LinkedIn®

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Researched and written by [Adam Crivello](https://research.g2.com/insights/author/adam-crivello)

Updated October 3, 2024

Unified APIs (application programming interfaces), also called universal or normalized APIs, provide a single “meta" API that is used to interact with multiple software applications within the same category. These tools act as an abstraction layer that handles communication with multiple applications by aggregating and standardizing their APIs and data models into a single API.

SaaS providers use these tools to improve the ease of building customer-facing integrations to multiple applications in the same category, such as accounting, banking, cloud storage, CRM, email, HR, payroll, or scheduling systems. They can save teams significant time and resources when building numerous similar integrations. For example, a SaaS product team may want to provide their customers with integrations that import employee data from multiple HR systems into their application. Rather than building a separate integration to each HR system, they can build one integration to a unified HR API that connects their application with all desired HR applications. Leveraging a unified API provides a single, simplified API design and a consistent developer experience.

There is some relationship between unified APIs and [embedded integration platforms](https://www.g2.com/categories/embedded-integration-platforms), as they allow product teams to build native integrations with their customers’ third-party applications. However, unified APIs are typically code focused and used by software developers to build straightforward integrations within a single category. In contrast, embedded integration platforms are typically low-code tools used by both developers and non-developers to build a broader range of integrations within both common and vertical-specific software categories.

To qualify for inclusion in the Unified APIs category, a product must:

- Allow users to build integrations between their application and customer-facing applications
- Aggregate multiple APIs within the same software category into a single API
- Provide a standardized data model and developer experience

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