PDF.co supports Mustache and Handlebars templates to produce HTML to PDF. Both Mustache and Handlebars are logic-less template syntax. They can be used for source codes, config files, HTML, and more. Handlebars is compatible with Mustache and is capable of swapping with Mustache in most cases.

Step by step guide:

1. We are now at the Invoice Template Sample 3 tutorial. Check out Template Sample 1 and Template Sample 2 for other template sample layouts.

2. Go to the Collections tab and click the PDF.co API v.1 folder.

Postman API

3. On the list of folders, look for and click on the HTML template. Then click on JSON (Invoice template 3).

JSON Template3

4. Here is the cURL version for this request:

curl --location --request POST 'https://api.pdf.co/v1/pdf/convert/from/url' \
--header 'x-api-key: INSERT_API_KEY_HERE' \
--header 'Content-Type: application/json' \
--data-raw '{
"url": "https://bytescout-com.s3-us-west-2.amazonaws.com/files/cloudapi-templates/template-invoice-3.html",
"name": "newInvoice.pdf",
"margins": "5px 5px 5px 5px",
"paperSize": "Letter",
"orientation": "Portrait",
"printBackground": true,
"header": "",
"footer": "",
"async": false,
"encrypt": false,
"templateData": "{\r\n \"invoice\": {\r\n \"id\": \"0021\",\r\n \"date\": \"August 29, 2041\",\r\n \"dateDue\": \"September 29, 2041\"\r\n },\r\n \"issuer\": {\r\n \"name\": \"Sarah Connor\",\r\n \"company\": \"T-800 Research Lab\",\r\n \"address\": \"435 South La Fayette Park Place, Los Angeles, CA 90057\",\r\n \"website\": \"www.example.com\",\r\n \"email\": \"info@example.com\"\r\n },\r\n \"client\": {\r\n \"name\": \"Cyberdyne Systems\",\r\n \"company\": \"Cyberdyne Systems\",\r\n \"address\": \"18144 El Camino Real, Sunnyvale, California\",\r\n \"website\": \"www.example.com\",\r\n \"email\": \"sales@example.com\"\r\n },\r\n \"items\": [\r\n {\r\n \"name\": \"T-800 Prototype Research\",\r\n \"price\": \"$1000.00\"\r\n },\r\n {\r\n \"name\": \"T-800 Cloud Sync Setup\",\r\n \"price\": \"$300.00\"\r\n },\r\n {\r\n \"name\": \"Skynet Domain Setup\",\r\n \"price\": \"$50.00\"\r\n },\r\n {\r\n \"name\": \"T-800 OS License\",\r\n \"price\": \"$350.00\"\r\n },\r\n {\r\n \"name\": \"T-800 Vision Testing\",\r\n \"price\": \"$150.00\"\r\n },\r\n ],\r\n \"discount\": \"$100.00%\",\r\n \"tax\": \"$126.88 (7.5%)\",\r\n \"total\": \"$1876.88\",\r\n \"paid\": true,\r\n \"note\": \"Thank you for your business with us.\",\r\n \"primaryColor\": \"#E4135A\",\r\n \"secondaryColor\": \"#00538B\",\r\n \"textColor\": \"#3F4254\"\r\n }"
}'

5. On the raw inside the Body menu is a JSON code that we will use to create the invoice with pre-filled invoice information.

JSON Body

6. This templateData parameter shows the invoice information that we added in the JSON code.

{
"invoice": {
"id": "0021",
"date": "August 29, 2041",
"dateDue": "September 29, 2041"
},
"issuer": {
"name": "Sarah Connor",
"company": "T-800 Research Lab",
"address": "435 South La Fayette Park Place, Los Angeles, CA 90057",
"website": "www.example.com",
"email": "info@example.com"
},
"client": {
"name": "Cyberdyne Systems",
"company": "Cyberdyne Systems",
"address": "18144 El Camino Real, Sunnyvale, California",
"website": "www.example.com",
"email": "sales@example.com"
},
"items": [
{
"name": "T-800 Prototype Research",
"price": "$1000.00"
},
{
"name": "T-800 Cloud Sync Setup",
"price": "$300.00"
},
{
"name": "Skynet Domain Setup",
"price": "$50.00"
},
{
"name": "T-800 OS License",
"price": "$350.00"
},
{
"name": "T-800 Vision Testing",
"price": "$150.00"
},
],
"discount": "$100.00%",
"tax": "$126.88 (7.5%)",
"total": "$1876.88",
"paid": true,
"note": "Thank you for your business with us.",
"primaryColor": "#E4135A",
"secondaryColor": "#00538B",
"textColor": "#3F4254"
}

7. To give you a picture of the invoice generation process. It starts from the engine that reads the HTML template. Next, the template processes the templateData parameter. Then, the invoice is created, which contains the data from templateData.

8. Click Send.

Send button

9. You are good to go when the status says 200 OK.

Status Code

10. Grab the URL in the result to open the invoice.

11. Super! We can now see our generated PDF Invoice.

Invoice Template3