Compare the Top Unified APIs as of October 2025

What are Unified APIs?

Unified APIs are a type of application programming interface (API) that allow companies and organizations to integrate multiple services into one convenient platform. Unified APIs provide developers with a comprehensive set of tools and resources that can be used to build, maintain, and manage custom applications. These APIs enable users to access information from several different sources in one place in order to improve the efficiency of their workflows. Unified APIs also provide users with the ability to communicate between different applications and services, making it easier for developers to create complex interconnected systems. Finally, unified APIs enable the use of powerful analytics tools for more accurate decision-making based on data stored in multiple systems. Compare and read user reviews of the best Unified APIs currently available using the table below. This list is updated regularly.

  • 1
    Plaid

    Plaid

    Plaid

    Plaid is a global fintech infrastructure platform that enables businesses and consumers to securely connect to financial data and services. Through APIs that connect to more than 12,000 financial institutions across 20+ countries, Plaid operates the world’s largest open banking data network. By removing the complexity of direct bank integrations, Plaid enables developers, financial institutions, and enterprises to build secure, user-friendly, and conversion-optimized financial products. Plaid powers payments, lending, identity verification, fraud prevention, and personal finance applications. Today, more than 100 million people worldwide, including half of U.S. adults, have relied on Plaid through their connections to over 7,000 apps and services.
    Starting Price: Free
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  • 2
    NexHealth

    NexHealth

    NexHealth

    Deliver an end-to-end patient experience that integrates in real-time with your practice management system. The only solution that reads and writes data in real-time with your practice management system. We spend most of our engineering resources on creating the best bidirectional integrations with EHR and practice management systems. Now you can develop and deploy your product in weeks, not years. Our engineers consume our own API to build our own doctor-facing SaaS product, so you know you will always get an experience that is tested and can scale. Online patient scheduling allows visitors to see your availability in real-time and schedule appointments on-demand from any location or device. NexHealth scheduling software fully customizes your schedule right out of the box. Our team of product experts helps implement both your calendar of record and your EHR system – no matter how complex your schedule.
  • 3
    Alloy Automation

    Alloy Automation

    Alloy Automation

    Alloy Automation is a no-code ecommerce automation tool used by leading brands and agencies to automate tedious tasks across fulfillments, marketing, and operations. Enrich customer profiles in your system of record and notify your team of churn, renewals, etc. Centralize customer data in your support desk and automate actions loyalty, 3PL, & UGC apps. Export analytics dynamically and configure internal Slack reporting. Use data from dozens of different channels to segment customers and messaging. Keep your customers in the loop about deliveries and improve the experience. We have a marketplace of best-in-class workflows made by top users and partners. Using a recipe enables you to start automating in minutes. Once you’ve selected a recipe, we’ll walk you through setup so that the resulting workflow is entirely customized to your needs. After setting up your recipe, all you need to do is activate the workflow and Alloy starts automating. Sit back and watch as we do the magic.
    Starting Price: $120 per month
  • 4
    Tray.ai

    Tray.ai

    Tray.ai

    Tray.ai is an API integration platform that allows users to innovate, integrate, and automate organization with no developer resources needed. Tray.io enables users to connect their entire cloud stack on their own. With Tray.ai, users can easily build and streamline processes with a specifically designed visual workflow editor. Tray.io also empowers the users' workforce with automated processes. The intelligence powering the first iPaaS that everyone can use to complete business processes using natural language instructions. Tray.ai is a low-code automation platform designed for both non-technical and technical users to create sophisticated workflow automations that facilitate efficient data movement and actions across multiple applications. Our low-code builder and new Merlin AI transform the automation process by bringing together the power of flexible, scalable automation; support for advanced business logic; and native generative AI capabilities that anyone can use.
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