> ## Documentation Index > Fetch the complete documentation index at: https://docs.bolta.io/llms.txt > Use this file to discover all available pages before exploring further. # List Bank Accounts > Returns the bank accounts connected to the business that owns the API key, with the sync status of each account. You need a Standard plan or higher, and the call deducts no points. Connect accounts in the Bolta dashboard first. Test keys return two fixed sample accounts regardless of your subscription. [Bank account transactions guide](/en/docs/api-introduction/bank-account-transactions) ## OpenAPI ````yaml /openapi.en.yaml get /v1/bankAccounts openapi: 3.1.0 info: title: Bolta API description: > The Bolta e-tax invoice API. [API Overview](/en/docs/api-introduction/overview) | [Authentication guide](/en/docs/api-introduction/authentication) | [Use cases](/en/docs/api-introduction/usecase-b2b) version: 1.0.0 servers: - url: https://xapi.bolta.io description: Bolta API server security: - basicAuth: [] tags: - name: Tax Invoice Issuance description: > Issue and amend e-tax invoices. [Calculating the issuance amount](/en/docs/api-introduction/issuance-guide) | [Amendment types](/en/docs/api-introduction/amendment-guide) - name: Tax Invoice Retrieval description: > Retrieve e-tax invoice results and request processing status, and download the PDF of an issued tax invoice. [Tax invoice PDF guide](/en/docs/api-introduction/tax-invoice-pdf) - name: Reverse Issuance description: > Request and manage reverse issuance of e-tax invoices. [Email-approval reverse issuance](/en/docs/api-introduction/usecase-reverse-email) | [Simple-approval reverse issuance](/en/docs/api-introduction/usecase-reverse-simple) - name: Cash Receipt description: > Issue, cancel, and check the status of cash receipts. [Cash receipt guide](/en/docs/api-introduction/cash-receipt-guide) | [Cash receipt webhooks](/en/docs/api-introduction/webhook-cash-receipt) - name: Business Registration Status description: > Check the registration status and tax type of a business registration number. Look up one number or up to 100 numbers at once. This API requires no issuer registration and no certificate. [Business registration status guide](/en/docs/api-introduction/business-registration-status) - name: Revenue and Expense description: > Retrieve the revenue and expense tax invoices of your own business in Bolta in the order they changed, and request a collection. Responses include documents issued through Bolta and documents collected from Hometax. You need a Standard plan or higher, and the calls deduct no points. Connect Hometax in the Bolta dashboard first. [Revenue and expense guide](/en/docs/api-introduction/revenue-expense) - name: Bank Account Transactions description: > Retrieve the bank accounts and transactions connected to your own business in Bolta, and request a sync. You need a Standard plan or higher, and the calls deduct no points. Connect bank accounts in the Bolta dashboard first. [Bank account transactions guide](/en/docs/api-introduction/bank-account-transactions) - name: Bank Account Holder description: > Look up account holder names with a bank code and an account number. One path takes a single account and the other takes up to 100 accounts at once. Each account that returns a holder name deducts 50 points. [Bank account holder guide](/en/docs/api-introduction/bank-account-holder) - name: Document Issuance description: > Issue National Tax Service certificates from Hometax or a certified copy of corporate registry, and download the original PDF. Hometax documents are issued only for the business that owns the API key, and you must register a joint certificate in the Bolta dashboard. A corporate registry is issued for the corporation in `corporationNumber` and needs no joint certificate. Supported corporation types are stock company, limited company, general partnership company, limited partnership company, limited liability company, incorporated association, incorporated foundation, medical corporation, cooperative (including social cooperative), and other corporate entity (such as a patent corporation). Each document deducts 500 points for Hometax documents, 1,000 points for a corporate registry view copy, and 1,500 points for a submission copy. [Document issuance guide](/en/docs/api-introduction/document-issuance) - name: Issuer description: > Register and manage businesses that act as tax invoice issuers. Certificate requirements depend on the issuance type. [Glossary](/en/docs/api-introduction/glossary) | [Delegated issuance](/en/docs/api-introduction/usecase-delegated) | [Brokered Tax Invoice Issuance](/en/docs/api-introduction/usecase-brokered) - name: Certificate description: > Register and manage issuer certificates. [Certificate registration](/en/docs/api-introduction/certificate-registration) paths: /v1/bankAccounts: get: tags: - Bank Account Transactions summary: List Bank Accounts description: > Returns the bank accounts connected to the business that owns the API key, with the sync status of each account. You need a Standard plan or higher, and the call deducts no points. Connect accounts in the Bolta dashboard first. Test keys return two fixed sample accounts regardless of your subscription. [Bank account transactions guide](/en/docs/api-introduction/bank-account-transactions) responses: '200': description: Lookup succeeded content: application/json: schema: $ref: '#/components/schemas/BankAccountListResponse' examples: Test key sample accounts: x-parity-id: test-accounts summary: Fixed samples returned for test keys value: items: - id: '1' bankCode: '004' bankName: 국민은행 accountNumber: 123456-01-234567 name: 운영자금 currencyCode: KRW lastSyncedAt: null syncStatus: IDLE - id: '2' bankCode: '088' bankName: 신한은행 accountNumber: 110-123-456789 name: 매출입금 currencyCode: KRW lastSyncedAt: null syncStatus: IDLE Sync in progress: x-parity-id: in-progress summary: An account right after a sync request value: items: - id: '1' bankCode: '004' bankName: 국민은행 accountNumber: 123456-01-234567 name: 운영자금 currencyCode: KRW lastSyncedAt: '2026-09-18T00:00:12Z' syncStatus: IN_PROGRESS headers: {} '401': description: API key authentication failed. The response has no body. '402': description: >- Your subscription is below the Standard plan. The response `code` is `PLAN_UPGRADE_REQUIRED`. Upgrade your plan from the billing menu in the Bolta dashboard, then call again. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '500': description: >- Internal server error. The response `code` is `INTERNAL_SERVER_ERROR`. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '503': description: >- Temporary internal API communication error. The response `code` is `SERVICE_UNAVAILABLE`. content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' deprecated: false components: schemas: BankAccountListResponse: type: object description: Bank account list result properties: items: type: array description: Connected bank accounts. Empty when no account is connected. items: $ref: '#/components/schemas/BankAccount' required: - items ErrorResponse: type: object description: The error response returned when an API request fails properties: code: type: string description: Error type identifier message: type: string description: Error description traceId: type: string description: Request trace identifier required: - code - message - traceId BankAccount: type: object description: A bank account connected to Bolta properties: id: type: string description: Account identifier bankCode: $ref: '#/components/schemas/BankAccountBankCode' bankName: type: string description: Bank name accountNumber: type: string description: Account number with hyphens name: type: string description: Alias set in the dashboard. Falls back to the bank's account name. currencyCode: $ref: '#/components/schemas/BankAccountCurrencyCode' lastSyncedAt: type: - string - 'null' format: date-time description: >- Time of the last completed sync (UTC). `null` when no sync has completed yet. syncStatus: $ref: '#/components/schemas/BankAccountSyncStatus' required: - id - bankCode - bankName - accountNumber - name - currencyCode - lastSyncedAt - syncStatus BankAccountBankCode: type: string enum: - '088' - '004' - '020' - '081' - '023' - '027' - '011' - '003' - '031' - '032' - '071' - '089' - '045' - '048' - '039' - '034' - '035' - '037' - '002' - '007' description: > Three-digit standard bank code assigned by the Korea Financial Telecommunications & Clearings Institute (KFTC). `088`: Shinhan Bank. `004`: KB Kookmin Bank. `020`: Woori Bank. `081`: Hana Bank. `023`: SC First Bank. `027`: Citibank Korea. `011`: NH NongHyup Bank. `003`: IBK Industrial Bank of Korea. `031`: iM Bank (formerly Daegu Bank). `032`: Busan Bank. `071`: Korea Post. `089`: K Bank. `045`: MG Community Credit Cooperatives. `048`: National Credit Union Federation of Korea. `039`: Kyongnam Bank. `034`: Kwangju Bank. `035`: Jeju Bank. `037`: Jeonbuk Bank. `002`: Korea Development Bank. `007`: Suhyup Bank. Local NongHyup cooperative accounts also use `011`. BankAccountCurrencyCode: type: string enum: - KRW - USD - JPY description: | ISO 4217 currency code. BankAccountSyncStatus: type: string enum: - IDLE - IN_PROGRESS - FAILED description: > Account sync status. `IDLE`: No sync is running. `IN_PROGRESS`: A bank lookup is running. `FAILED`: The last sync failed. securitySchemes: basicAuth: type: http scheme: basic description: >- Append a colon to your API key, Base64-encode it, and put it in the header. Enter the API key as the username and leave the password empty. ````