JSON API to XLSX downloads

Turn JSON into Excel files without building export logic

Send structured JSON, including nested data, and get a temporary download URL for a generated Microsoft Excel workbook.

Free tier 1,000 requests/mo
Generated links Expire in 5 minutes
Typical latency 600ms
1

Send JSON

Post rows, ordering, filename, and sheet name to the API.

2

Generate XLSX

The service creates an Excel workbook from your payload.

3

Download securely

Receive a temporary pre-signed URL for the finished file.

{
  "url": "https://.../report.xlsx"
}

Designed for API workflows

Use it from browsers, backends, scripts, automations, or no-code tools.

Handles nested JSON

Convert complex payloads into a workbook without hand-writing flattening code.

Private temporary files

Each response returns a pre-signed download URL that expires after 5 minutes.

Pricing

Start free, upgrade only when you need more volume.

Basic

$0.00 / mo

Pro

$1.99 / mo

API requests 1000 / mo 50,000 / mo
Rate limit 1000 / ph -
Priority support
Dedicated account manager
Start free Choose Pro

FAQ

Will it work in the browser?
Yes, you can call the API from the browser or from a backend application.
Are the files I generate public?
No, the URL returned in the response from the API is a pre-signed url. The generated Microsoft Excel file is only accessible via the URL for 5 minutes, after which it is deleted.
Can I cancel my plan any time?
Yes you can cancel your subscription plan at any time.
Is my payment information secure?
Credit cards are processed through a PCI compliant banking partner.
What if I exceed my plan limits?
You will not incur overage charges.
Does the API have documentation?

Yes, have a read over the docs here.

Is there a blog?

Yes, keep up to date with the latest developments with our blog.

How do I download the URL in the browser?

This code snippet will trigger a download using JavaScript in the browser.

window.location = "url-returned-from-api";