How to implement json.seller

If you’re looking to communicate information about authorized sellers in a JSON format, you might consider creating a JSON endpoint on your server that provides this information. This is not a standard part of the ads.txt or app-ads.txt specifications, but you can create your own API endpoint that returns seller information in JSON format.

Here’s a simplified example using Node.js and Express:

1. Install Express (if not already installed):
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   npm install express

2. Create a simple Express app:
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   const express = require('express');
const app = express();
const port = 3000;app.get(‘/json/seller’, (req, res) => {
   const sellerInfo = {
   sellers: [
   {
   domain: ‘example.com’,
   publisherId: ‘pub-0000000000000000’,
   relationship: ‘DIRECT’,
   tagId: ‘f08c47fec0942fa0’
   }
   // Add more sellers as needed
   ]
   };res.json(sellerInfo);
   });

   app.listen(port, () => {
   console.log(`Server is running at http://localhost:${port}`);
   });

3. Run the server:
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   node your-file-name.js


This example sets up a simple Express server with an endpoint at /json/seller that returns seller information in JSON format. You can customize this endpoint and the returned JSON structure according to your needs.

Remember that this approach is not part of the official ads.txt or app-ads.txt specifications. It’s a custom solution using JSON to expose seller information through an API endpoint. Advertisers would need to be aware of and use your custom API endpoint to retrieve seller information in JSON format. If you are working within the context of the ads.txt or app-ads.txt specifications, stick to the plain text format outlined in those standards.