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Elastic Docs ›Elasticsearch Node.js client [6.x] ›Authentication
« Basic authentication SSL configuration »

ApiKey authenticationedit

You can use the ApiKey authentication by passing the apiKey parameter via the auth option.
The apiKey parameter can be either a base64 encoded string or an object with the values that you can obtain from the create api key endpoint.

If you provide both basic authentication credentials and the Api Key configuration, the Api Key will take precedence.

const { Client } = require('@elastic/elasticsearch')
const client = new Client({
  node: 'https://localhost:9200',
  auth: {
    apiKey: 'base64EncodedKey'
  }
})
const { Client } = require('@elastic/elasticsearch')
const client = new Client({
  node: 'https://localhost:9200',
  auth: {
    apiKey: {
      id: 'foo',
      api_key: 'bar'
    }
  }
})
« Basic authentication SSL configuration »