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Free Machine Learning APIs[030]

30 free public APIs in the Machine Learning category — 2 require no authentication, 29 support HTTPS, 17 have CORS enabled.

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Advanced Multilanguage AI Translator (RapidAPI)

AI-powered translator supporting multiple languages with fast, context-aware responses

AUTH: APIKEYHTTPSOPEN ↗
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AI For Thai

Free Various Thai AI API

AUTH: APIKEYHTTPSOPEN ↗
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AI Learning Engine

Create, auto-grade, and analyze learning tasks with AI-based evaluations

AUTH: APIKEYHTTPSOPEN ↗
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AI/ML API

Access 100+ curated AI Models over 1 API

AUTH: YESHTTPSOPEN ↗
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Clarifai

Computer Vision

AUTH: OAUTHHTTPSOPEN ↗
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Cloudmersive

Image captioning, face recognition, NSFW classification

AUTH: APIKEYHTTPSOPEN ↗
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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.

AUTH: APIKEYHTTPSOPEN ↗
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CustomGPT.ai

RAG API with RESTful endpoints, comprehensive SDKs, and enterprise-grade reliability.

AUTH: APIKEYHTTPSOPEN ↗
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Dialogflow

Natural Language Processing

AUTH: APIKEYHTTPSOPEN ↗
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Eden

Get all AI models in one place, e.g. OpenAI, Google and lots more!

AUTH: APIKEYHTTPSOPEN ↗
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EXUDE-API

Used for the primary ways for filtering the stopping, stemming words from the text data

NO AUTHHTTPSOPEN ↗
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Face-api.js

JavaScript API for face detection, recognition, and emotion analysis using TensorFlow.js

NO AUTHOPEN ↗
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Gladia

Artificial intelligence API's

AUTH: APIKEYHTTPSOPEN ↗
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HOL Registry Broker

Discovery API for AI agents & MCP servers (search, verify, UAID, chat)

AUTH: APIKEYHTTPSOPEN ↗
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Imagga

Image Recognition Solutions like Tagging, Visual Search, NSFW moderation

AUTH: APIKEYHTTPSOPEN ↗
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Inferdo

Computer Vision services like Facial detection, Image labeling, NSFW classification

AUTH: APIKEYHTTPSOPEN ↗
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Irisnet

Realtime content moderation API that blocks or blurs unwanted images in real-time

AUTH: APIKEYHTTPSOPEN ↗
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jsonAi.cloud

Save JSON schemas as api endpoints, feed it with your data and get structured JSON responses with AI

AUTH: APIKEYHTTPSOPEN ↗
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Keen IO

Data Analytics

AUTH: APIKEYHTTPSOPEN ↗
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Machinetutors

AI Solutions: Video/Image Classification & Tagging, NSFW, Icon/Image/Audio Search, NLP

AUTH: APIKEYHTTPSOPEN ↗
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MessengerX.io

A FREE API for developers to build and monetize personalized ML based chat apps

AUTH: APIKEYHTTPSOPEN ↗
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NLP Cloud

NLP API using spaCy and transformers for NER, sentiments, classification, summarization, and more

AUTH: APIKEYHTTPSOPEN ↗
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OpenAI

Use AI models such as ChatGPT or DALL-E to experience the capabilities of AI

AUTH: APIKEYHTTPSOPEN ↗
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Perspective

NLP API to return probability that if text is toxic, obscene, insulting or threatening

AUTH: APIKEYHTTPSOPEN ↗
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Roboflow Universe

Pre-trained computer vision models

AUTH: APIKEYHTTPSOPEN ↗
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SkyBiometry

Face Detection, Face Recognition and Face Grouping

AUTH: APIKEYHTTPSOPEN ↗
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Spam Hunter

Free service to classify text as spam using ML

AUTH: APIKEYHTTPSOPEN ↗
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Summarize Text with AI

This API generates customizable summaries of text and web pages using AI

AUTH: APIKEYHTTPSOPEN ↗
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Unplugg

Forecasting API for timeseries data

AUTH: APIKEYHTTPSOPEN ↗
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WolframAlpha

Provides specific answers to questions using data and algorithms

AUTH: APIKEYHTTPSOPEN ↗

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What are the best free Machine Learning APIs?

The directory tracks 30 free public Machine Learning APIs. Top picks include Advanced Multilanguage AI Translator (RapidAPI), AI For Thai, AI Learning Engine, AI/ML API, Clarifai — see the full list above, all free to use.

Are there free Machine Learning APIs without authentication?

2 of 30 Machine Learning APIs require no authentication and can be used immediately without an API key.

Do these APIs support HTTPS?

29 of 30 Machine Learning APIs support HTTPS.