2x2 inch label, barcode on the bottom and 3 lines

Placeholder keys

Provide values for each key when calling the render API.

• barcode STRING

  Barcode

  Max length: 12

  Required: Yes

• string_1 STRING

  String 1

  Max length: 30

  Required: No

• string_2 STRING

  String 2

  Max length: 50

  Required: No

• string_3 STRING

  String 3

  Max length: 50

  Required: No

Render via API

Submit a POST request using this template ID:

POST /api/templates/20/render

We log request counts only. Payloads and rendered ZPL never leave memory.