Get error number, from a whole answer in json - NodeJS

GotError: GET https://api.github.com/repos/org/repo/contents/package.json response code is 403 (Forbidden)
    at /Users/santiago/Documents/license/node_modules/got/index.js:175:12
    at BufferStream.<anonymous> (/Users//Documents/license/node_modules/read-all-stream/index.js:64:3)
    at emitNone (events.js:91:20)
    at BufferStream.emit (events.js:185:7)
    at finishMaybe (/Users//Documents/license/node_modules/readable-stream/lib/_stream_writable.js:513:14)
    at endWritable (/Users//Documents/license/node_modules/readable-stream/lib/_stream_writable.js:523:3)
    at BufferStream.Writable.end (/Users//Documents/license/node_modules/readable-stream/lib/_stream_writable.js:493:41)
    at Unzip.onend (_stream_readable.js:511:10)
    at Unzip.g (events.js:291:16)
    at emitNone (events.js:91:20) nested: null, code: 403 }

getFromGithub: function(allRepos, callback){
		var self = this;

		var apiRequest = api('/repos/' + self.settings.org + '/' + self.repo + '/contents/package.json', {
			token: self.settings.gitToken
		});

		apiRequest.on('data', function(response) {
			self.reposParsed = JSON.stringify(allRepos);

			var packageJSON = new PackageJSON(self.settings, self.reposParsed);
			packageJSON.parseFromString(response.content, function(){
				self.getLicenseTree(packageJSON, function(err){
					if(err)
						return callback(err, null);

					self.licenses = packageJSON.list;

					callback(null, self.licenses);
				});
			});
		});

		apiRequest.on('error', function(err) {
			console.log(err);
			callback(err, null);
		});
	},