How To Parse Gzipped Data In Nodejs Submitted By External Api

An external API sends a POST request with its results compressed in the gzip format to my postback_url. Here is what I get in body param. Btw, I shorten the output as it is a very

Solution 1:

If it's a gzip in base64 then you can Decode it like this.

const zlib = require('zlib');

const buffer = Buffer.from(data, 'base64');

zlib.unzip(buffer, { finishFlush: zlib.constants.Z_SYNC_FLUSH }, (err, buffer) => {
    if (err) {
      console.error('An error occurred:', err);
    }
    console.log(JSON.parse(buffer.toString()));
});