XLSX JSON Template Engine API.
Template (xlsx) + Data (json) ➞ Document.
You can create xlsx document or pdf file with template and json data.
Sending email with XLSX, PDF attachment.
Please run the actual xlsx, pdf creation engine from the following site.
home page: https://xlsx-template.kurukona.net/
Live demo: https://xlsx-template.kurukona.net/developer/#TemplateTester