List of the Top 6 Artificial Intelligence (AI) APIs for Nango in 2026

OpenAI is committed to ensuring that artificial general intelligence (AGI)—characterized by its ability to perform most tasks that are economically important with a level of autonomy that surpasses human capabilities—benefits all of humanity. Our primary goal is to create AGI that is both safe and beneficial; however, we also view our mission as a success if we empower others to reach this same objective. You can take advantage of our API for numerous language-based functions, such as semantic search, summarization, sentiment analysis, content generation, translation, and much more, all achievable with just a few examples or a clear instruction in English. A simple integration gives you access to our ever-evolving AI technology, enabling you to test the API's features through these sample completions and uncover a wide array of potential uses. As you explore, you may find innovative ways to harness this technology for your projects or business needs.

Gemini is Google’s next-generation AI assistant designed to deliver intelligent help across research, creativity, communication, and task management. Built on Google’s most advanced AI models, including Gemini 3, it helps users understand complex topics, generate content, and solve problems through natural conversation. Gemini enables text, image, and video generation, allowing users to quickly turn ideas into visual and written outputs. Its grounding in Google Search ensures responses are informed, relevant, and easy to explore further through follow-up questions. Gemini supports hands-free and conversational brainstorming through Gemini Live, making it useful for presentations, interviews, and idea development. With Deep Research, Gemini can analyze hundreds of sources and compile detailed reports in a fraction of the time. The platform connects directly to Google apps like Gmail, Docs, Calendar, Maps, and YouTube to streamline everyday workflows. Users can build personalized AI helpers using Gems by saving detailed instructions and uploaded files. Gemini’s long context window allows it to process large documents, code repositories, and research materials in a single session. Multiple plans provide flexibility, from free access for students and casual users to premium tiers with higher limits and advanced features. Gemini is available across web and mobile devices for seamless access. Designed to adapt to different needs, Gemini supports consumers, professionals, educators, and enterprises alike.

The Exa API offers access to top-tier online content through a search methodology centered on embeddings. By understanding the deeper context of user queries, Exa provides outcomes that exceed those offered by conventional search engines. With its cutting-edge link prediction transformer, Exa adeptly anticipates connections that align with a user's intent. For queries that demand a nuanced semantic understanding, our advanced web embeddings model is designed specifically for our unique index, while simpler searches can rely on a traditional keyword-based option. You can forgo the complexities of web scraping or HTML parsing; instead, you can receive the entire clean text of any page indexed or get intelligently curated summaries ranked by relevance to your search. Users have the ability to customize their search experience by selecting date parameters, indicating preferred domains, choosing specific data categories, or accessing up to 10 million results, ensuring they discover precisely what they seek. This level of adaptability facilitates a more personalized method of information retrieval, making Exa an invaluable resource for a wide array of research requirements. Ultimately, the Exa API is designed to enhance user engagement by providing a seamless and efficient search experience tailored to individual needs.

Retell AI is an innovative platform tailored to assist organizations in creating, testing, launching, and managing AI-powered voice agents, significantly improving customer interactions. It features capabilities like transferring calls, managing appointments, and integrating knowledge bases seamlessly, which allows for the production of lifelike conversations with minimal latency. The platform is designed to work with various telephony systems and offers support for multiple languages, making it particularly suitable for global enterprises. With its scalable architecture, Retell AI ensures reliable performance while effectively handling large volumes of calls. Additionally, it provides robust monitoring tools that evaluate call efficiency and customer sentiment, promoting continuous improvements in voice agents and aiding in a deeper understanding of customer preferences. This all-encompassing strategy enables businesses to adapt swiftly and succeed in an ever-evolving digital environment, ensuring they remain competitive and responsive to market changes. With Retell AI, organizations can harness the full potential of AI technology to enhance their customer service experience.

Gemini Enterprise app is a powerful enterprise-grade AI platform that enables organizations to deploy, manage, and scale AI agents across their entire workforce. It integrates seamlessly with popular productivity tools and data sources, allowing users to access and analyze business data through a single interface. The platform supports advanced automation by enabling agents to execute complex, multi-step workflows across multiple applications. It includes prebuilt agents like NotebookLM Enterprise, as well as tools for building custom and third-party agents using a no-code approach. Gemini Enterprise app provides robust security, governance, and compliance features, including data access controls, encryption, and regulatory support. It offers centralized visibility into all agents, workflows, and permissions, ensuring efficient management at scale. The platform is designed to enhance productivity across departments by automating repetitive tasks and accelerating content creation. It also helps break down data silos by connecting multiple data sources into one system. With scalable pricing options and enterprise-grade infrastructure, it supports both small teams and large organizations. Overall, Gemini Enterprise app delivers a unified, secure, and scalable solution for AI-driven business transformation.

MiniMax is a leading artificial intelligence company focused on advancing multimodal AI technologies and delivering intelligent products for developers, enterprises, and consumers worldwide. Founded with the mission of co-creating intelligence with everyone, the company has developed a suite of proprietary foundation models capable of understanding, generating, and integrating content across text, audio, images, video, music, and code. Its flagship MiniMax M3 model combines frontier-level coding and agentic capabilities with native multimodal intelligence and an innovative sparse attention architecture that supports up to one million tokens of context, enabling complex long-form reasoning and large-scale task execution. MiniMax provides a broad ecosystem of AI-native products, including MiniMax Code for software development, Hailuo AI for video generation, MiniMax Audio for speech and music creation, Talkie for conversational experiences, and an open platform for developers and enterprises. The MiniMax Code environment allows users to deploy AI agents, automate coding workflows, build custom skills, manage schedules, and coordinate agent teams that can solve complex problems collaboratively. Developers can access advanced models through APIs and token plans designed to support high-volume AI workloads, application development, and enterprise integrations. The platform’s multimodal capabilities make it suitable for a wide range of use cases, including software engineering, business automation, content creation, research, knowledge management, customer experiences, and intelligent workflow orchestration. By combining cutting-edge AI research with practical products and developer-focused infrastructure, MiniMax helps organizations accelerate innovation, improve productivity, and build next-generation AI-powered applications.