var myHeaders = new Headers();
myHeaders.append("Content-Type", "application/json");
myHeaders.append("x-api-key", "YOUR_PDFCO_API_KEY");

// You can also upload your own file into PDF.co and use it as url. Check "Upload File" samples for code snippets: https://github.com/bytescout/pdf-co-api-samples/tree/master/File%20Upload/    
var raw = JSON.stringify({
 "url": "https://bytescout-com.s3-us-west-2.amazonaws.com/files/demo-files/cloud-api/document-parser/sample-invoice.pdf",
 "rulescsv": "Amazon,Amazon Web Services Invoice|Amazon CloudFront\nDigital Ocean,DigitalOcean|DOInvoice\nAcme,ACME Inc.|1540 Long Street, Jacksonville, 32099",
 "caseSensitive": "true",
 "async": false,
 "encrypt": "false",
 "inline": "true",
 "password": "",
 "profiles": ""
});

var requestOptions = {
	method: 'POST',
	headers: myHeaders,
	body: raw,
	redirect: 'follow'
};

fetch("https://api.pdf.co/v1/pdf/classifier", requestOptions)
	.then(response => response.text())
	.then(result => console.log(result))
	.catch(error => console.log('error', error));