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Read and create most of what the Fortnox API offers: bookkeeping, invoices, supplier invoices, customers, articles, projects, documents and more. See features.

No. Writing tools are marked so that Claude and ChatGPT ask for your approval – unless you have chosen to allow them automatically. With read-only mode, the AI cannot change anything at all. Deletion is only possible for files, customers, suppliers and articles, and vouchers and invoices can never be deleted.

No. Only the encrypted login and a log of calls (without content) are stored. Read more under security.

Yes, the same address works in both. ChatGPT requires developer mode and some plans can only read.

Yes. Add the connector on the web or in the desktop app – it is then available in the mobile app with the same account.

Yes. Ask the AI to connect a new company and you get a link. You can connect as many companies as your Fortnox user has access to.

Mention the company’s name or registration number. If you only have one company it is used automatically. Not sure? Ask “which companies have I connected?”.

Yes. Claude and ChatGPT answer in the language you write in. The data in Fortnox – account names, for example – stays as it is in your Fortnox, usually in Swedish.

SEK 79 per month and company. You buy and pay through Fortnox Integrations, with a 30-day right of return.

You, Fortnox and the AI service you use. Emni staff have no access to your bookkeeping.

Remove the connector in Claude or ChatGPT, ask the AI to disconnect the company, and revoke EmniAi Connector under Integrations in Fortnox.

Check that your Fortnox user has access to the company and that EmniAi Connector is bought and activated for the company under Integrations in Fortnox. Then try connecting again.

The Fortnox access has expired, e.g. after more than 12 months without use or because it was revoked in Fortnox. You will then get an email. Click Reconnect under My companies or ask the AI for a link to connect the company again.

Ask “which companies have I connected?” and then mention the company by name or registration number in your question.

Check that EmniAi Connector is switched on for the conversation (via + or the tools menu). Start a new conversation after adding the connector.

In organisation accounts, often only owners or admins may add custom connectors. Ask your admin to follow the guide.

Writing tools in custom MCP servers depend on your ChatGPT plan and on developer mode being on. See the ChatGPT guide.

Your Fortnox user lacks permission for that part, or the company lacks the module. This is changed in Fortnox under the user’s permissions.

Each company needs EmniAi Connector bought and activated under Integrations in Fortnox. Open the app in Fortnox, activate it for the company and try again – you don’t need to reconnect.

Claude handles files in its own environment that only reaches approved web addresses. Open claude.ai in your browser, go to Settings → Capabilities and add mcp.emni.se to the allowed domains. In Team and Enterprise accounts this is done by the admin under Organization settings → Capabilities. Then try again.

Fortnox limits the number of calls per second. For large reviews Emni waits automatically. Splitting large questions by period helps.