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<!-- Example webpage with a working file upload button. -->
<html>
<head>
  <script src="https://js.upload.io/upload-js/v2"></script>
  <script>
    const upload = Upload({


      // Your API key goes here:
      apiKey: "..."


    })
    const onFileSelected = async event => {
      const file        = event.target.files[0];
      const { fileUrl } = await upload.uploadFile(file)
      alert(`File uploaded! ${fileUrl}`);
    };
  </script>
</head>
<body>
  <input type="file" onchange="onFileSelected(event)" />
</body>
</html>

Why use Upload:

File uploading that works out-the-box (no configuration, no fuss)
Integrated CDN
(450+ locations, 47+ countries)
File storage
(zero setup, pre-integrated)
Perma-Cache
(for a 100% cache HIT ratio)
File processing
(image resizing, cropping, etc)
Monitoring
(storage, bandwidth & CPU usage)
File authorization
(integrates with your app's security)
Custom processing
(run custom code against your files)