Migrate to Adyen’s new login method by September 9, 2026

February 20, 2026 08:50

Adyen is deprecating the legacy login system (username, account, and password) on September 9, 2026. This change affects how you access the Customer Area and Essentials portals.

After this date, all human users will need to log in using either:

Email-based login, or
Single sign-on (SSO) (if your company has it configured).

This update enhances your account security and provides a simpler, more reliable login experience.

1. Overview of the change

The new login methods offer a more secure and unified experience.

Legacy login	New login options
Username, account, password	Email-based login or single sign-on (SSO)
Separate credentials per account	One secure login across all related legal entities
Higher risk of credential-related issues	Improved security and simplified management

2. Who Needs to act

Company admins must migrate their users in bulk before September 9, 2026.
Individual users can migrate their own accounts to email-based login (unless your company uses SSO).
Third-party integrators and partners must onboard through the partner flow.

If migration is not completed before the deadline:

Eligible users will be prompted to migrate on their next login.
Ineligible users (for example, those with email conflicts) will lose access to the Customer Area and Essentials until the required steps are completed.

3. Migration options

Email-based login

Most users will migrate to email-based login. You can migrate individually or, if you are an admin, migrate users in bulk.

Documentation: Migrate to email-based login (see the Start migration → Individual or Bulk sections).

Single sign-on (SSO)

If your company uses SSO, migration can only be done by an admin. Individual users cannot migrate themselves.

Documentation: SSO login migration guide

4. Handling ineligible users

During migration, some users may appear as ineligible. This usually occurs for one of the two reasons:

A. Conflicting email addresses (user exists on multiple related legal entities)

For Admins Only:

This step applies to administrators managing users across multiple related legal entities.

The new login system requires each user to have a unique email address. If a user’s email is linked to multiple company accounts, this must be resolved before migration.

To check and fix conflicts:

Log in to the Customer Area for each company account you believe should be grouped.
Navigate to Settings > Company (in Test) or Account settings (in Live).
Look for a section titled User management.

If you see User management, you can group the company accounts under one organization and proceed with migration. If you do not see User management, contact your Adyen representative with the list of company accounts. The grouping feature will be enabled for you.

Once the accounts are grouped, migration can proceed normally.

B. Third-party Integrators or partners

Third-party providers or system integrators who work with multiple merchants (that cannot be part of the same organization) cannot be migrated through the standard flow. These users must be onboarded via the partner flow.

Documentation: Partner flow overview

5. Troubleshooting common errors

If you see an error such as “Unable to migrate to email-based login,” the email address is likely linked to multiple company accounts. Review your situation below and follow the corresponding action.

Scenario	Description	Action Required
You only need access to one company account.	Your email is tied to multiple accounts, but you only use one.	Log in to each extra account and change the user’s email to a dummy address (for example, old_user_dummy@company.com). Each dummy must be unique.
You need access to multiple related accounts.	You work across multiple related or sister companies.	Contact your company admin and ask them to group the accounts into an organization.
One of your company accounts is inactive.	An inactive company account is preventing migration.	Contact the Adyen Support team to update your email under the inactive company account. You will be required to provide official consent.
One of your user accounts is inactive.	An inactive user account is preventing migration.	Contact your admin to update your inactive user’s email.
You are a third-party partner or system integrator.	You work with multiple unrelated merchants.	You cannot migrate through this process. You must onboard through the partner flow. Contact your admin or Adyen representative.

6. What happens after the deadline

On September 9, 2026:

All eligible users will be automatically marked for migration. They will be required to complete migration on their next login.
Users who remain ineligible will temporarily lose access to the Customer Area and Essentials until the necessary actions are taken.

We will send additional reminders as the deadline approaches.

Need help?

If you need assistance with the migration or have questions about your login setup, contact your Adyen representative or visit: help.adyen.com/contact.