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All bounties

Toss

Open
toss.im

Account balance, transaction history, and transfers via the Toss app.

Reward
₩500,000
Tier
Platinum
Auth
Browser
APIs
8 APIs
Working now
none
Posted
2026-06-05
Kind
New service
  1. Open
  2. Claimed
  3. In review
  4. Finalizing
  5. Syncing
  6. Merged
  7. Paid

Scope

Provider for Toss (토스), Korea's flagship fintech super-app. Browser session, MFA, and a large sensitive surface make this a Platinum bounty. Banking-grade care required; no real credentials in fixtures.

Expected APIs

8
get-accountsGet accounts

No caller input required.

get-balanceGet balance

No caller input required.

list-transactionsList transactions

No caller input required.

initiate-transferInitiate transfer

No caller input required.

get-transfer-statusGet transfer status

No caller input required.

get-cardsGet cards

No caller input required.

get-statementsGet statements

No caller input required.

get-user-profileGet user profile

No caller input required.

Suggested surface. Propose changes in your submission if the upstream differs.

Acceptance criteria

  • Service scaffolded from the public @apifuse/provider-sdk
  • All listed APIs implemented with Zod/Standard Schema input & output
  • Each API 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
  • API list with input/output summaries
  • healthCheck coverage table per API
  • bun run check and bun run test output

Ready to claim?

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