Endpoint URL:

https://aisenseapi.com/services/v1/qrcode_decode

Description:

This endpoint decodes the content from a QR code image. It accepts input as a file upload or as a Base64-encoded image in JSON format. The API extracts the content from the QR code and returns it as a JSON response. If decoding fails, an appropriate error message is returned.

Response Format

• Content-Type: application/json

Example Success Responses
Example: URL
{ “qrcode_content”: “https://aisenseapi.com/” }
Example: Plain text
{ “qrcode_content”: “Hello, world!” }
Example: vCard (Contact Information)
{ “qrcode_content”: “BEGIN:VCARD\nFN:John Doe\nTEL:+1234567890\nEND:VCARD” }
Example: Wi-Fi Credentials
{ "qrcode_content": "WIFI:S:MyNetwork;T:WPA;P:mypassword;; }
Example: Event Details
{ "qrcode_content": "BEGIN:VEVENT\nSUMMARY:Meeting\nDTSTART:20230401T100000\nDTEND:20230401T110000\nEND:VEVENT }

Example Error Responses

Input Requirements

The API accepts input in two formats:

• File Upload (QR Code Image)
  • The file must be sent as multipart/form-data under the key qrcode_image.
  • The API will attempt to decode the QR code from the image.
• Base64-encoded QR code image
  • The file must be sent as application/json under the key qrcode_image.
  • Input must be a valid Base64-encoded PNG image wrapped in JSON.
  { "payload": "iVBORw0KGgoAAAANSUhEUg..." }

  • The image will be temporarily stored, processed, and deleted after decoding.

Use Cases

• Extracting QR code content from uploaded images.
• Decoding Base64-encoded QR code images.
• Automating QR code scanning in applications.

How to Use

1. Send a POST request to

2. Choose your input format

• File upload
  [...data from file...]
  • The file must be sent as multipart/form-data under the key qrcode_image.
• Base64-encoded QR code image
  { "payload": "iVBORw0KGgoAAAANSUhEUg..." }

3. Handle the response

• If the QR code is valid, the response contains the decoded QR code content.
• If the input is missing or invalid, an error message is returned.

Example cURL Requests

Decode QR Code from an Uploaded File

Decode QR Code from a Base64 Image

Key Features

• Supports both file uploads and Base64-encoded images
• Extracts QR code content from images
• Ensures clear error handling for invalid input
• No authentication required – free public API