🔌 World Public API Directory
Discover 30 free public APIs across 52 categories
Showing 1–30 of 30 APIs
| API ▲ | Description | Category | Auth | HTTPS | CORS |
|---|---|---|---|---|---|
| Advanced Multilanguage AI Translator (RapidAPI) | AI-powered translator supporting multiple languages with fast, context-aware responses | Machine Learning | API Key | ✅ | yes |
| AI For Thai | Free Various Thai AI API | Machine Learning | API Key | ✅ | yes |
| AI Learning Engine | Create, auto-grade, and analyze learning tasks with AI-based evaluations | Machine Learning | API Key | ✅ | yes |
| AI/ML API | Access 100+ curated AI Models over 1 API | Machine Learning | Yes | ✅ | yes |
| Clarifai | Computer Vision | Machine Learning | OAuth | ✅ | unknown |
| Cloudmersive | Image captioning, face recognition, NSFW classification | Machine Learning | API Key | ✅ | yes |
| Cohere | Harness the power of language understanding. Join the developers and businesses who are using Cohere to generate, categorize and organize text at a scale that was previously unimaginable. | Machine Learning | API Key | ✅ | yes |
| CustomGPT.ai | RAG API with RESTful endpoints, comprehensive SDKs, and enterprise-grade reliability. | Machine Learning | API Key | ✅ | yes |
| Dialogflow | Natural Language Processing | Machine Learning | API Key | ✅ | unknown |
| Eden | Get all AI models in one place, e.g. OpenAI, Google and lots more! | Machine Learning | API Key | ✅ | yes |
| EXUDE-API | Used for the primary ways for filtering the stopping, stemming words from the text data | Machine Learning | Open | ✅ | yes |
| Face-api.js | JavaScript API for face detection, recognition, and emotion analysis using TensorFlow.js | Machine Learning | Open | ❌ | unknown |
| Gladia | Artificial intelligence API's | Machine Learning | API Key | ✅ | no |
| HOL Registry Broker | Discovery API for AI agents & MCP servers (search, verify, UAID, chat) | Machine Learning | API Key | ✅ | yes |
| Imagga | Image Recognition Solutions like Tagging, Visual Search, NSFW moderation | Machine Learning | API Key | ✅ | unknown |
| Inferdo | Computer Vision services like Facial detection, Image labeling, NSFW classification | Machine Learning | API Key | ✅ | unknown |
| Irisnet | Realtime content moderation API that blocks or blurs unwanted images in real-time | Machine Learning | API Key | ✅ | yes |
| jsonAi.cloud | Save JSON schemas as api endpoints, feed it with your data and get structured JSON responses with AI | Machine Learning | API Key | ✅ | unknown |
| Keen IO | Data Analytics | Machine Learning | API Key | ✅ | unknown |
| Machinetutors | AI Solutions: Video/Image Classification & Tagging, NSFW, Icon/Image/Audio Search, NLP | Machine Learning | API Key | ✅ | yes |
| MessengerX.io | A FREE API for developers to build and monetize personalized ML based chat apps | Machine Learning | API Key | ✅ | yes |
| NLP Cloud | NLP API using spaCy and transformers for NER, sentiments, classification, summarization, and more | Machine Learning | API Key | ✅ | unknown |
| OpenAI | Use AI models such as ChatGPT or DALL-E to experience the capabilities of AI | Machine Learning | API Key | ✅ | yes |
| Perspective | NLP API to return probability that if text is toxic, obscene, insulting or threatening | Machine Learning | API Key | ✅ | unknown |
| Roboflow Universe | Pre-trained computer vision models | Machine Learning | API Key | ✅ | yes |
| SkyBiometry | Face Detection, Face Recognition and Face Grouping | Machine Learning | API Key | ✅ | unknown |
| Spam Hunter | Free service to classify text as spam using ML | Machine Learning | API Key | ✅ | yes |
| Summarize Text with AI | This API generates customizable summaries of text and web pages using AI | Machine Learning | API Key | ✅ | yes |
| Unplugg | Forecasting API for timeseries data | Machine Learning | API Key | ✅ | unknown |
| WolframAlpha | Provides specific answers to questions using data and algorithms | Machine Learning | API Key | ✅ | unknown |