Frequently Asked Questions:

What is the cost to join the Coupa Supplier Portal (CSP)?

There is no charge for suppliers to use the CSP.

What are the key benefits of joining the CSP?

  • CSP makes managing customers and transactions easy.
  • Manage settings on a customer-by-customer basis, including viewing purchase orders, setting up delivery methods, creating catalogs, etc.
  • Tracking the real time status of transactions.

Do I need additional software to use the CSP?

No, additional software is not required. Coupa is a cloud-based technology and all you will need is an active email account and web browser to access the portal.

Where do I register for the CSP?

You can request an invitation to join the CSP. Ask your customer to send you an invitation via email or visit

I am trying to register on the system by completing the registration section page, but I haven’t received an email, what should I do?

Check your spam folder as it may have been sent there.

How do I change the primary email address for my account?

If you need to change the email address for your CSP account, please reach out to your Coupa customer. They will need to update your record in Coupa.

I am having an issue logging in, what can I try?

  • Ensure you are not using the browsers auto-populating feature to enter username and password.
  • Try in a different browser or incognito mode.

I have a message saying, “Unauthorized or Expired account,” what can I do?

Please contact your Coupa customer and ask them to check the status of your supplier account.

I want to invoice a customer, but I don’t see them in CSP, how do I add them? Or how do I link to a customer?

You need to contact your customer and ask them to send you an invitation link to join Coupa Supplier Portal (CSP).

Where can I find more information on the Coupa Supplier Portal?