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Introduction

Fiken is a Norwegian cloud accounting platform for small businesses, freelancers, and their accountants. It handles bookkeeping, invoicing, expense tracking, VAT reporting, and bank reconciliation.

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Activate Fiken

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Partner keys

You can use Chift’s app, or register your own with Fiken.

Use Chift's app

Reach out to your Chift point of contact. No developer account needed.

Use your own app

Register your own app in Fiken. Your app works with up to 5 connected users until Fiken grants it production status.
The steps below apply if you register your own app. If you use Chift’s app, skip straight to Test Fiken.
1

Enable developer mode

Log in to your Fiken account and go to Rediger konto → Profil → Andre innstillinger. Check the box indicating you are a developer.
2

Create an OAuth2 application

Click the API tab under Brukerinnstillinger and create a new application. Set the redirect URI to:
Then copy the Client ID and Client Secret. See the Fiken API documentation for the full flow.
3

Get certified for production

During development, your app works with up to 5 connected users. Before going further, onboard 2 to 3 real users, then email api@fiken.no to request production status.

Activate Fiken in your Chift account

In Connectors, enter your Client ID and Client Secret.

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Connector settings

No connector-specific settings.

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Test Fiken

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Vendor fees

Software editor (you)

No fees.

End user

99 NOK/month (excl. VAT) for Fiken’s API add-on, activated per company under Foretak → Tilleggstjenester. Test companies not registered in Brønnøysundregistrene are exempt.
For plans and pricing, see Fiken’s pricing page.

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Connect Fiken

Fiken setup guide for end users

The full step-by-step, with screenshots.
Before they start, your end users need:
  • a Fiken account
  • the API add-on activated on each Fiken company they connect (99 NOK/month excl. VAT, see Cost above)
To connect, they:
  • sign in with their Fiken account and authorize access via OAuth2
  • choose which Fiken company (or companies) to connect

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Rate limits

Fiken’s limits:
  • Only one API request at a time. Concurrent requests may return an HTTP 429 Too Many Requests error.
  • Above 4 requests per second, API calls may be slowed.
  • Repeated 429 errors can get your account banned. Contact Fiken support to be unbanned.
Chift automatically manages these limits to optimize performance and prevent interruptions. However, once the API rate limit is reached, Chift cannot bypass these limitations. See Fiken’s API documentation for details.

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Limitations & specificities

A contact’s bank account number must be a Norwegian domestic account number of 11 digits. IBAN or other formats are rejected.
A customer invoice needs a bank account as its payment method.All lines of an invoice must use the same analytic account. Fiken allows only one per invoice.
Financial entries can only be created in NOK. Any other currency is rejected.
A payment’s currency must match the currency of the invoice or purchase it settles. A payment in a currency other than NOK requires an exchange rate.

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Coverage

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Troubleshooting

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Specific errors for Fiken: