# Set primary bank account

> POST /bank-details/{bank_details_id}/set-primary

Source: https://docs.trykintsugi.com/reference/2026-07-21/set-primary-bank-account

API version: Tenanted API release 2026-07-21

POST /bank-details/{bank_details_id}/set-primary

Set primary bank account

Sets the named bank account as the organization's debit account. Requires a user credential (an API key is rejected) that is an Owner or Admin of the organization selected by Organization-Id, Connection-Id, or Entity-Id. The response masks the account and routing numbers to their last four characters.

Category: Bank Details

Path parameters:
bank_details_id (string, required)

Response fields:
id (string, required) - Opaque identifier of the bank-details record.
bankName (string, required) - Name of the bank, or null when not captured.
accountNumberLast4 (string, required) - Last four characters of the account number, or null when not captured.
accountType (PublicBankAccountTypeEnum, required) - Account type, or null when not captured.
  allowed values: CHECKING, SAVINGS
accountHolderName (string, required) - Name on the account, or null when not captured.
routingNumberLast4 (string, required) - Last four characters of the routing number, or null when not captured.

Response statuses: 200, 400, 401, 403, 404, 422

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