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Google Cloud Vision API: Node.js Client

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Node.js idiomatic client for Vision API .

Client API Reference

Quickstart

Before you begin

  1. Select or create a Cloud Platform project.

    Go to the projects page

  2. Enable billing for your project.

    Enable billing

  3. Enable the Google Cloud Vision API API.

    Enable the API

  4. Set up authentication with a service account so you can access the API from your local workstation.

Installing the client library

npm install --save @google-cloud/vision

Using the client library

// Imports the Google Cloud client library
const vision = require('@google-cloud/vision');

// Creates a client
const client = new vision.ImageAnnotatorClient();

// Performs label detection on the image file
client
  .labelDetection('./resources/wakeupcat.jpg')
  .then(results => {
    const labels = results[0].labelAnnotations;

    console.log('Labels:');
    labels.forEach(label => console.log(label.description));
  })
  .catch(err => {
    console.error('ERROR:', err);
  });

Samples

Samples are in the samples/ directory. The samples' README.md has instructions for running the samples.

Sample Source Code Try it
Detection samples source code Open in Cloud Shell
Detection samples for Beta API source code Open in Cloud Shell

The Vision API Node.js Client API Reference documentation also contains samples.

Versioning

This library follows Semantic Versioning .

This library is considered to be in beta . This means it is expected to be mostly stable while we work toward a general availability release; however, complete stability is not guaranteed. We will address issues and requests against beta libraries with a high priority.

More Information: Google Cloud Platform Launch Stages

Contributing

Contributions welcome! See the Contributing Guide .

License

Apache Version 2.0

See LICENSE