Fortnox Customer Fields to update

Updated October 8, 2026

Choose which customer details may be updated in Fortnox.

Fields you don't turn on are only filled in when the customer is created the first time, and are never changed by the integration after that.

Fields you can choose

  • Customer is active (yes/no)

  • E-mail

  • Name

  • Organisation Number

  • Phone

  • Customer type (private/business)

  • VAT Number

Good to know

  • This is shown when customer updating is turned on.

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