Best AI API Design Tools in 2025

Stability AI is an AI platform that aims to activate humanity's potential by building a foundation for AI development by the people, for the people..

Pinecone is a vector database that allows users to search through billions of items and find similar matches to any object in milliseconds. It is a next-generation search solution that can be accessed through an API call..

Lip-sync a video to any audio in any language..

Lip-sync a video to any audio in any language..

Eden AI is an AI platform that provides a unique API connected to the best AI engines, offering a wide range of AI technologies such as generative AI, translation, text analysis, image analysis, video content analysis, OCR/document parsing, and speech transcription. It is designed to make AI easy for all product builders, including developers, no coders, and AI enthusiasts..

One AI is a platform that offers the world's best Generative AI for integration into your product. It provides a library of pre-trained AI capabilities, as well as the option to customize your own capabilities..

AlTable.ai is a platform that allows users to easily turn tables into AI-powered chatbots with just one click..

Music.AI allows companies and developers to build and scale audio-driven AI products and services. The ecosystem includes a wide range of state-of-the-art AI models that can be combined to deliver customized solutions for a wide range of use cases..

Beagle Security is a web application and API penetration testing tool that helps identify vulnerabilities in your web apps, APIs, and GraphQL. It provides actionable insights to remediate these vulnerabilities and protect your applications from potential harm caused by hackers..

Chatwith is a custom AI chatbot that allows you to boost your customer service and cut your support workload using AI. It can be trained on your content and back-end data, enabling it to handle customer questions and provide real-time information..

Shaped is a platform that helps companies increase engagement for feeds, recommendations, and notifications using machine learning. It provides solutions for various sectors including marketplaces, social media, media platforms, e-commerce, and more..

Integrate facial recognition into your website, app or software with our cloud API. Accurately recognize and compare human faces. Identify previously tagged people in images. Detect age, gender, and emotions in the photo..

Imagga is an image recognition API that provides solutions for image tagging, categorization, visual search, and content moderation..

Flagright is a platform that offers AML compliance and fraud prevention solutions for financial service providers. It provides transaction monitoring, case management, and more to help detect and investigate suspicious activity..

Nuclia is an AI-powered search and generative answers platform that automatically indexes unstructured data from any source. It allows users to search data by keywords or use natural language queries to get accurate search results and generative answers..

Hance.ai has created machine learning algorithms that can reduce noise, remove reverb (echo), voice boost, recover signals and separate stems (instruments) – all in real time..

Verbatik is an AI-powered text-to-speech platform that allows users to convert text into natural-sounding speech in over 142 languages and accents. It offers a wide range of realistic AI voices to choose from, making it easy to create high-quality voiceovers for various purposes..

This is a large language model inferencing service. We run LLMs on high-end machines, and let you run whatever prompts you want against them. Sign up to use a pretty good LLM as much as you want, for free! (Or, pay me and use harder/better/faster/stronger models.).

API2D is an OpenAI API that provides access to third-party applications for artificial intelligence tasks such as natural language processing, machine learning, intelligent conversation, text generation, and language translation..

Riku.AI is a platform that enables users to build AI models without coding. It offers accessible AI solutions to individuals and businesses by providing integrations, API access, and public share links..

Collect real-time search results, and monitor your brand or product mentions. SpaceSerp will help you gather results from any location and device. System powered by cutting-edge AI models..

Your personal nutritionist, always online. PrevessAI is a science-based solution for personalized nutrition, sleep, and mental coaching. It provides tailored coaching, accurate insights, and tangible results..

AI-Driven Business Logic Testing for Application Security.

Cradl AI is a platform built for developers in businesses with advanced data capturing needs. It allows developers to build document parsing APIs using deep learning technology, enabling them to extract data automatically from any document..

Spine AI is a platform that enables teams to deploy a conversational interface built on top of internal APIs, allowing users to interact with AI copilots. It helps businesses integrate AI capabilities into their products without the need for an AI team. The AI copilots can perform tasks, offer real-time data insights, and understand user intent..

Cape Privacy is a platform that allows users to keep their sensitive data private while using large language models (LLMs). It encrypts documents and redacts any sensitive data to ensure privacy..

PluginLab is a platform that helps ChatGPT plugin creators launch their plugins quickly by handling user management and payment hassles. It offers a no-code solution for setting up user authentication and monetization, allowing creators to connect with popular OAuth providers and Stripe in just a few minutes..

Middle layer for AI applications that allows you to build better and faster..

AiPrice is an API service that allows you to calculate the estimated cost of your prompt that will be sent to the OpenAI API. It counts the tokens and applies the pricing according to the OpenAI pricing plans. All costs are just an estimate..

Tiktokenizer is a platform designed for developers to track their users' AI tokens. It enables seamless monitoring of customer usage, ensuring a transparent and fair billing process for users of AI apps..

Superflows is an AI email assistant that helps you get through your inbox faster with AI generated 1-click replies, customised to your workflows and tone of voice. For each email, Superflows prepares several intelligently generated reply options, ready to go in a single click. You can personalise the options with calendar links and other information, so you never have to copy-and-paste into an email again..

Alphadoc is an interactive documentation platform that helps developers create engaging onboarding experiences on top of their APIs and SDKs. It allows users to explain APIs and SDKs in a single environment, keep documentation in sync, reuse content, and leverage powerful AI capabilities..

Meteron AI is a powerful yet easy-to-use toolset for growing your AI business. It handles load-balancing, ordering, storage, and limits for your AI systems, allowing you to focus on creating better models and attracting more traffic. With a passionate community, Meteron offers guides, rapid AI product building, queue requests, unlimited storage, metering, and model agnostic capabilities..

Turn prompts into powerful, custom and shareable AI models. Create powerful and shareable AI models. Extending human capabilities and experience with AI..

Code99 is a powerful web development tool that combines the capabilities of Nest.js and TypeORM with AI-generated code generation. It allows developers to effortlessly create REST APIs with seamless Swagger integration, authentication module, and email integration..

No-code AI-powered scalable backend builder.

Prompteams is an AI Prompt Management System that allows you to seamlessly craft your own AI agents for your team using live testing, efficient version control, and auto-generated APIs for smooth integration..

Rediscover the internet is a website that offers an AI-powered search API. It allows users to integrate advanced search capabilities into their applications using natural language processing and machine learning technologies..

GPT-Prompter is a Chrome extension that allows users to harness the power of GPT-3, GPT-4, and ChatGPT API without the need to navigate to the OpenAI website or rely on intermediaries. It provides a convenient and hassle-free experience for utilizing the full potential of GPT by offering pre-made customizable prompts, conversations, and a playground-like interface..

Hire Hoc is an AI-powered hiring tool designed to automate the recruiting workflow. It helps organizations streamline their recruitment process, improve the quality of hire, and reduce hiring costs..

Gapier offers 50 tailor-made, free Actions APIs for GPTs creators. Expand your GPTs capabilities with our diverse and easily integrable APIs, designed specifically for ChatGPT users..

GreenEyes.AI is a digital technology cohort focused on building Computer Vision APIs and SaaS products. They provide state-of-the-art, low-carbon footprint, managed Cloud AI solutions and applications to empower and entertain the public. Their mission is to create a better world through responsible and sustainable technology..

useCloak is an anonymous chat platform that integrates OpenAI's ChatGPT API while ensuring data privacy and security. It offers developers a PII-free AI solution that maintains user privacy and adheres to data protection regulations..

CRUDERRA is an AI-powered Document Operations (DocOps) platform designed for software development teams. It allows developers to generate interactive documentation and architecture as code, making it easier to understand, update, and collaborate on codebase..

Our AI Platform enforces 100s of API Industry-Standards, resulting in Rapid Development, Consistent, and Highly Adoptable APIs..

Postlog is an API documentation tool that automatically generates clear and concise API docs in seconds using advanced LLM technology. It supports frameworks like Express, Flask, Django, FastAPI, and more, facilitating seamless integration into your project’s pipeline..

DeployFast is a concise boilerplate for AI wrapping, designed to streamline development for all skill levels, enabling rapid, innovative, and efficient AI solution creation..

AI detects, catalogs & enforces data privacy standards.

Lingtual is a platform that allows users to instantly build AI business tools and chatbots. It provides a way to connect various tools and services without the need for coding. Lingtual enables users to control, modify, and observe their businesses using existing software and messaging platforms..

Andes is a Machine Learning API Marketplace that allows you to unleash the power of AI in your applications. It offers a marketplace for Large Language Model (LLM) APIs, enabling you to connect with leading AI technology and enhance your application's capabilities with natural language processing, automatic text generation, translation, and more..