diff --git a/README.md b/README.md
index 954336a..47dc762 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ $ yarn add datadog-winston
 ```
 
 ## Options
-- **apiKey**: Your datadog api key *[required]*
+- **apiKey**: Your datadog api key or client token *[required]*
 - **hostname**: The machine/server hostname
 - **service**: The name of the application or service generating the logs
 - **ddsource**: The technology from which the logs originated
diff --git a/__tests__/index.js b/__tests__/index.js
index 14f9eed..bc333ec 100644
--- a/__tests__/index.js
+++ b/__tests__/index.js
@@ -36,17 +36,32 @@ describe('DatadogTransport#log(info, callback)', () => {
       opts: {
         intakeRegion: 'eu'
       }
+    },
+    {
+      case: 'transfers logs to the browser intake',
+      uri: 'https://browser-http-intake.logs.datadoghq.com',
+      opts: {
+        apiKey: 'pubXXX'
+      }
     }
   ]
     .forEach(testCase => {
       it(testCase.case, async () => {
+        const opts = Object.assign({}, {
+          apiKey: 'apikey',
+          service: 'service',
+          ddsource: 'ddsource',
+          ddtags: 'env:production',
+          hostname: 'hostname'
+        }, testCase.opts ? testCase.opts : {})
+
         const scope = nock(testCase.uri,
           {
             reqheaders: {
               'content-type': 'application/json'
             }
           }).post(
-          '/v1/input/apikey',
+          `/v1/input/${opts.apiKey}`,
           JSON.stringify({
             dd: {
               trace_id: 'abc',
@@ -61,14 +76,6 @@ describe('DatadogTransport#log(info, callback)', () => {
           hostname: 'hostname'
         }).reply(204)
 
-        const opts = Object.assign({}, {
-          apiKey: 'apikey',
-          service: 'service',
-          ddsource: 'ddsource',
-          ddtags: 'env:production',
-          hostname: 'hostname'
-        }, testCase.opts ? testCase.opts : {})
-
         const transport = new DatadogTransport(opts)
         const callback = jest.fn()
         await transport.log({
diff --git a/lib/index.js b/lib/index.js
index 167f16c..3d3012b 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -11,7 +11,7 @@ module.exports = class DatadogTransport extends Transport {
    * Constructor for the Datadog Transport responsible for making
    * HTTP requests whenever log messages are received
    * @param {!Object} opts Transport options
-   * @param {string} opts.apiKey The Datadog API key
+   * @param {string} opts.apiKey The Datadog API key or Client token
    * @param {string} [intakeRegion] The intake region to be used
    */
   constructor (opts = {}) {
@@ -21,11 +21,10 @@ module.exports = class DatadogTransport extends Transport {
       throw new Error('Missing required option: `apiKey`')
     }
     this.opts = opts
-    if (this.opts.intakeRegion === 'eu') {
-      this.api = `https://http-intake.logs.datadoghq.eu/v1/input/${opts.apiKey}`
-    } else {
-      this.api = `https://http-intake.logs.datadoghq.com/v1/input/${opts.apiKey}`
-    }
+
+    const tld = opts.intakeRegion === 'eu' ? 'eu' : 'com'
+    const subdomain = opts.apiKey.startsWith('pub') ? 'browser-http-intake' : 'http-intake'
+    this.api = `https://${subdomain}.logs.datadoghq.${tld}/v1/input/${opts.apiKey}`
   }
 
   /**