Face-api.js

Overview

Face-api.js is a free public API in the Machine Learning category. JavaScript API for face detection, recognition, and emotion analysis using TensorFlow.js.

Machine-learning APIs bring pre-trained models within reach — image recognition, language processing, and prediction without hosting your own model.

You can use this API in prototypes, side projects, and production applications — just keep the provider’s usage policy in mind.

Authentication

Face-api.js requires no authentication — you can start calling it directly, which makes it great for quick experiments and client-side demos.

HTTPS & CORS

• HTTPS: not supported — Face-api.js is served over plain HTTP only. Avoid sending sensitive data, and prefer HTTPS endpoints where possible.
• CORS: unknown — if you plan to call Face-api.js from the browser, verify CORS support in the official docs or with a quick test request.

Getting Started

1. Read the official documentation: https://github.com/justadudewhohacks/face-api.js
2. Make a test request with curl or your favourite HTTP client.

Rate Limits & Notes

• Rate limits, quotas, and free-tier terms are defined by the provider — always check the official documentation for Face-api.js before scaling up.
• The upstream listing is community-maintained; fields like auth, HTTPS and CORS reflect the state at listing time and may change.

FAQ

Does Face-api.js require an API key?

No — Face-api.js is listed as a no-auth API, so you can call it directly.