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You must have administrator access to the BIM 360 / ACC account so you can retrieve the Account ID and confirm the Data Region.

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Find your account ID

The account ID is the BIM 360 / ACC hub ID without the b. prefix. It is required for all 2-legged account-admin actions.

  • Sign in to the BIM 360 Account Admin portal.
  • The account ID appears in the URL after signing in.
  • Format: https://admin.b360.autodesk.com/accounts/{account_id}/...
  • Example: c8b0c73d-3ae9-4b5f-a1c2-d33e44f55g66
  • Alternatively, if you already have a 3-legged connection, run the list_hubs action — each hub ID starts with b.; strip the prefix to get the account ID.

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Find your data region

Your data region identifies the Autodesk data center where your BIM 360 / ACC / Forma account is hosted. It is sent as the Region / x-ads-region header on region-aware endpoints.

  • Sign in to your Autodesk Construction Cloud account.
  • Check your browser address bar — the domain identifies the region.
  • United States: acc.autodesk.com → US
  • Canada: acc.can.autodesk.com → CAN
  • Europe: acc.autodesk.eu → EMEA
  • United Kingdom: acc.gbr.autodesk.com → GBR
  • Germany: acc.deu.autodesk.com → DEU
  • India: acc.ind.autodesk.com → IND
  • Japan: acc.jpn.autodesk.com → JPN
  • Australia: acc.aus.autodesk.com → AUS
  • See the ACC regions reference for the full list.

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Linking the Account from the Hub

1

Navigate to the Hub

Use one of the three Linking Account Methods to access the Hub.
2

Fill out the fields

Fill out the following fields using details from your provider:
  • Account ID
  • Data Region
3

Connect

  • Click Connect
  • If applicable, the provider will redirect you to a sign-in or authorization page. Complete the provider’s authorization flow.
  • Once authorization is successful, you will see a confirmation popup

If the account linking is successful, you will see the newly linked account in your Accounts page.