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Create payment in Fortnox

Accounting API · write, waits for approval · 100% field coverage

Your agent can create payment in Fortnox through Apideck's Accounting API, the same call it makes for every Accounting app. It changes data in the customer's Fortnox account, so it stops with the exact request until a person approves it. Apideck adds the customer's Fortnox credentials, so no token ever reaches the agent.

Paste into Claude Code, Cursor or any coding agent.

The call

POST https://unify.apideck.com/accounting/payments

Headers: x-apideck-service-id: fortnox, plus your app id and the customer's consumer id. Apideck MCP tool: accounting-payments-add. Agent operation id: unified.accounting.paymentsAdd.

Body fields

FieldTypeDescription
currencystringIndicates the associated currency for an amount of money. Values correspond to [ISO 4217](https://en.wikipedia.org/wiki/
currency_ratenumberCurrency Exchange Rate at the time entity was recorded/generated.
total_amount · requirednumberThe total amount of the transaction or record
referencestringOptional transaction reference message ie: Debit remittance detail.
payment_methodstringPayment method used for the transaction, such as cash, credit card, bank transfer, or check
payment_method_referencestringOptional reference message returned by payment method on processing
payment_method_idstringA unique identifier for an object.
accounts_receivable_account_typestringType of accounts receivable account.
accounts_receivable_account_idstringUnique identifier for the account to allocate payment to.
accountobject
transaction_date · requiredstringThe date of the transaction - YYYY:MM::DDThh:mm:ss.sTZD
customerobjectThe customer this entity is linked to.
supplierobjectThe supplier this entity is linked to.
company_idstringThe company ID the transaction belongs to
subsidiaryobject
reconciledbooleanIndicates if the transaction has been reconciled.
statusstringStatus of payment
typestringType of payment
allocationsarray
notestringNote associated with the transaction
numberstringNumber associated with the transaction
tracking_categoriesarrayA list of linked tracking categories.
custom_fieldsarray
row_versionstringA binary value used to detect updates to a object and prevent data conflicts. It is incremented each time an update is m
display_idstringId to be displayed.

More for payments in Fortnox

list_paymentsget_paymentupdate_paymentdelete_payment

Create payment in other Accounting apps

The same call works for each of these; only the service id changes.

Access FinancialsAcumaticaAFAS SoftwareAlegraCampfireDualentryExact OnlineExact Online NLExact Online UKFreshBooksHoldedIntuit Enterprise SuiteMoneybirdMYOBMYOB AcumaticaNetSuiteOdooQuickBooksRilletSage Business Cloud AccountingSage IntacctSage Intacct RESTSAP S/4HANA CloudSpirisVisma eAccountingVisma NetvisorWafeqXeroZoho Books