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SlimPay Help Center

How to access my account




Your SlimPay account is accessible via three different interfaces:

  • An online User Interface which is our Dashboard (V.1 or V.2).
  • A web Application Programming Interface (web API).
  • A file Application Programming Interface (file API).

Each interface has its own authentication mechanism and credential format:

How can I obtain API access? 

Once you have signed your Slimpay contract, you will have access to our two environments: test (or preprod) and production.


Test environment

Your test API access allows you to discover our solution and understand how it works.

You will be able to create orders such as signing mandates or creating SDD payments.

Once your test account is created, you will received your access credentials:

  • your creditor reference
  • your App ID

You will have to create your App secret from your Dashboard. These credentials will give you access to your test API.


I'm not able to connect, what can I do?

If you cannot connect to the Dashboard, please follow these instructions:






also called Back Office

In production

  • Enter your password without using copy and paste
  • Clear the memory cache of your browser 
  • Clear the memory cache of your browser 

In pre-production

If after this process you still don't manage to connect to your account, please contact our customer support at


NB: If you are still using the first version of the Dashboard (also known as the Back Office), do not hesitate to request access to the Dashboard V.2 at



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