The Call+ Sandbox API Developer Hub

Welcome to the Call+ Sandbox API developer hub. You'll find comprehensive guides and documentation to help you start working with the Call+ Sandbox API as quickly as possible, as well as support if you get stuck. Let's jump right in!

Automate Call+ Simulations for Your Clients

Integrate real-time stock options plan calculations into your platform. Accurate Belgian tax computations, instant PDF reports, zero manual work.

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Instant Results

Run a complete Call+ simulation in real time.

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Client-Ready Reports

Generate official PDF reports in French or Dutch, ready to be sent directly to your clients.

✓

Always Accurate

Belgian tax rates and regulations built in. No spreadsheet errors, no outdated formulas.

Two API Calls. That's It.

Embed Call+ simulations directly into your accounting software.

1

Request a Simulation

Send data related to the company, the beneficiary and the Call+ plan via POST /simulations, and receive the full calculation results.

2

Download the PDF

Call GET /simulations/{id}/pdf to generate an official PDF report for the beneficiary

3

Deliver to Your Client

The generated report can be delivered directly to your client.

Ready to Integrate?

Contact us to get your API key and start building.

Contact [email protected]