Best 20+ Tools for Integrating APIs in 2025

Keboola is a comprehensive data platform that handles your entire data stack as a service. Instead of managing separate tools for extraction, transformation, storage, and orchestration, everything works together in one integrated environment. The platform connects to virtually any data source through its extensive library of 700+ native connectors and API integrations.

Sheety is a web service that converts Google Sheets into fully functional REST APIs. Think of it as a translator that speaks both spreadsheet language and web application language. When you connect your Google Sheet to Sheety, it automatically creates API endpoints that let you read, create, update, and delete data using simple HTTP requests.

BuildShip is an AI-powered visual backend builder designed to help businesses and developers create scalable backend infrastructure without extensive coding knowledge. Think of it as a smart toolbox that combines no-code simplicity with low-code flexibility.

Line0 is an AI-powered development tool that creates Express.js backend services through natural language commands. You simply describe what backend functionality you need, and Line0 generates secure, well-structured code following industry best practices.

Chatwith is an intelligent chatbot creation platform that transforms your existing content into a smart AI assistant. Unlike generic chatbots, it learns specifically from your business data including website pages, knowledge base articles, PDFs, DOCX files, and YouTube videos to provide accurate, contextual answers to customer questions.

re:tune is a comprehensive no-code AI application builder that specializes in creating custom chatbots and AI assistants. The platform allows users to train their AI models using any data source, from website content to internal documents and customer data. Users can choose from advanced AI models like GPT-4, GPT-3.5, and Claude to power their applications.

Typing Mind is an advanced chat frontend for popular AI models like ChatGPT, Claude, Gemini, and others. Instead of using the official websites, you use your own API keys with Typing Mind to get a much better chat experience.

Integry is an enterprise-grade integration platform that serves as the bridge between SaaS applications and hundreds of third-party tools. Unlike traditional integration solutions, Integry focuses on embedded, user-facing integrations that work directly within your product interface.

Apiway is a "free integration platform and marketplace" that connects different business applications to automate workflows. This means you can set up automatic actions between your favorite apps without writing any code or having technical skills.

Paragon is an embedded integration infrastructure platform designed specifically for B2B SaaS companies that need to offer native integrations to their customers. Think of it as the backbone that powers all your app's connections to other software tools your customers use daily.