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Folio API

Norwegian business banking. Source of truth for transactions and receipts.

Setting Value
Base URL https://api.folio.no/v2
Auth Bearer token
Rate limit 60 req/10s, 1000 req/hr

Endpoints

Endpoint Params Purpose
GET /accounts Balances (Driftskonto, Kort, Skattetrekk)
GET /events startDate required Transactions with attachments
POST /events/{id}/attachments multipart Attach receipt

Key Facts

  • Attachments sync to Fiken automatically
  • attachments: [] = missing receipt
  • Card purchases → cardAuthorization.merchantName
  • Bank transfers → payment.creditor.name
  • startDate required on /events (400 without it)