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KakaoBank

kakaobank.com

Unofficial KakaoBank provider for accounts and transaction history.

Tier: 💎 Platinum
Reward: ₩500,000
Auth: Browser
Operations: 3
Working now: 0 contributors
Status: Open

Scope

This models the unofficial KakaoBank web or app surface rather than a public API. It is hard because the workflow depends on authenticated banking sessions, device or OTP checks, and careful handling of personal financial data.

Expected operations

list-linked-accountsList linked accountsreadDifficulty: hard

Retrieve the user's KakaoBank deposit and card accounts from the authenticated session, including masked numbers and balances for already linked products.

Inputs

include_inactivebooleanoptional

Suggested surface — propose changes in your submission if the upstream differs.

Acceptance criteria

Provider scaffolded from the public @apifuse/provider-sdk
All listed operations implemented with Zod/Standard Schema input & output
Each operation declares exactly one of healthCheck or healthCheckUnsupported
Real upstream fixture data included where applicable
bun run check and bun run test pass
Auth, credential, and env-secret behavior documented (no real secrets committed)

Evidence to submit

Workspace repository and main commit link
SDK version/tag and the create command used
Operation list with input/output summaries
Health coverage table per operation
bun run check and bun run test output

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Whether hidden or closed accounts should be included

Outputs

account_idbank_nameaccount_typemasked_numberbalancecurrency

Acceptance

Returns only the accounts available to the signed-in KakaoBank customer.
Keeps account identifiers and masked numbers consistent across calls.
Rejects access when the banking session or OTP state is incomplete.

Auth required for this operation.

list-transactionsList transactionsreadDifficulty: hard

Fetch a time-bounded transaction ledger for one KakaoBank account using the user's authenticated bank session. The implementation must respect the bank's paging or chunking rules.

Inputs

account_idstringrequired
Linked account identifier from the account list
acct_12345
from_datedaterequired
Start date for the ledger window
2026-06-01
to_datedaterequired
End date for the ledger window
2026-06-30

Outputs

account_idtransactionstransaction_idamountmerchant_nametransaction_date

get-account-balanceGet account balancereadDifficulty: hard

Load the current balance snapshot for a single KakaoBank account from the authenticated session. This is the right call when you need the latest balance rather than the full history.

Inputs

account_idstringrequired
Account identifier to inspect
acct_12345

Outputs

account_idmasked_numberbalanceavailable_balancecurrencyas_of

Acceptance

Returns ledger entries only for the requested account and date window.
Includes transaction identifiers, amounts, dates, merchant or memo text, and balance where available.
Fails closed when the requested account is not part of the current KakaoBank session.

Auth required for this operation.

Acceptance

Returns a balance snapshot with an as-of timestamp for the selected account.
Preserves the link between the account list and the balance payload.
Throws an authorization failure if the banking session cannot prove access.

Auth required for this operation.