Bookkeeping Data

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This guide describes how to use the API to sync bookkeeping data (verifications, transactions) to an external system.

Sections

• Activation level — Choose per-company or per-organization credentials.
• Access — Required entities and permissions.
• Implementation example — Step-by-step data fetching and optional sync marking.

Entity relationships

Verifications are created from Invoice, Payment, or Debt Invoice events; that determines whether a verification is linked to an Invoice, Payment, or Debt Invoice.

Bookkeeping chain:

Verification sources and invoice PDFs: