Machine Learning & MLOps APIs let you add machine learning & mlops capabilities without building from scratch. Every entry below is profiled with trust signals — pricing model, authentication requirements, CORS support, rate limits, and live uptime checks — so you can compare options and pick production-safe choices instead of guessing from a link list.
| API | Pricing | Auth | CORS | Health | |
|---|---|---|---|---|---|
| AI For Thai Free Various Thai AI API | Free | API Key | No | Profile | |
| AI/ML API Access 100+ curated AI Models over 1 API | Freemium | API Key | No | Profile | |
| Advanced Multilanguage AI Translator (RapidAPI) AI-powered translator supporting multiple languages with fast, context-aware responses | Freemium | API Key | No | Profile | |
| Cloudmersive Image captioning, face recognition, NSFW classification | Freemium | API Key | No | Profile | |
| 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. | Freemium | API Key | Yes | Profile | |
| Dialogflow Natural Language Processing | Freemium | API Key | No | Profile | |
| EXUDE-API Used for the primary ways for filtering the stopping, stemming words from the text data | Free | No | Yes | Profile | |
| Eden Get all AI models in one place, e.g. OpenAI, Google and lots more! | Freemium | API Key | No | Profile | |
| Face-api.js JavaScript API for face detection, recognition, and emotion analysis using TensorFlow.js | Free | No | No | Profile | |
| Gladia Artificial intelligence API's | Freemium | API Key | No | Profile | |
| Imagga Image Recognition Solutions like Tagging, Visual Search, NSFW moderation | Freemium | API Key | No | Profile | |
| Inferdo Computer Vision services like Facial detection, Image labeling, NSFW classification | Freemium | API Key | No | Profile | |
| Irisnet Realtime content moderation API that blocks or blurs unwanted images in real-time | Freemium | API Key | No | Profile | |
| Keen IO Data Analytics | Paid | API Key | No | Profile | |
| Machinetutors AI Solutions: Video/Image Classification & Tagging, NSFW, Icon/Image/Audio Search, NLP | Freemium | API Key | No | Profile | |
| MessengerX.io A FREE API for developers to build and monetize personalized ML based chat apps | Free | API Key | Yes | Profile | |
| NLP Cloud NLP API using spaCy and transformers for NER, sentiments, classification, summarization, and more | Freemium | API Key | No | Profile | |
| Perspective NLP API to return probability that if text is toxic, obscene, insulting or threatening | Free | API Key | No | Profile | |
| Roboflow Universe Pre-trained computer vision models | Freemium | API Key | No | Profile | |
| SkyBiometry Face Detection, Face Recognition and Face Grouping | Freemium | API Key | No | Profile | |
| Spam Hunter Free service to classify text as spam using ML | Free | API Key | No | Profile | |
| Summarize Text with AI This API generates customizable summaries of text and web pages using AI | Freemium | API Key | No | Profile | |
| Unplugg Forecasting API for timeseries data | Freemium | API Key | Yes | Profile | |
| Weights & Biases API Weights & Biases: experiment tracking, model management, and ML pipeline monitoring API. | Freemium | API Key | No | Profile | |
| WolframAlpha Provides specific answers to questions using data and algorithms | Freemium | API Key | Yes | Profile | |
| jsonAi.cloud Save JSON schemas as api endpoints, feed it with your data and get structured JSON responses with AI | Freemium | API Key | Yes | Profile |
Start with pricing and auth: free tiers and no-auth APIs are fastest to prototype with. Then check CORS if your app calls the API from the browser, and health before you commit — a great API that's been down for a week will block your launch. Each profile below shows all of these signals plus rate limits where documented.