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The Finup API lets approved clients integrate with Finup accounts, cards, and transaction data. This documentation is intentionally limited to client-facing endpoints. Internal admin, frontend-only, support, marketing, script, and webhook-processing endpoints are not included here.

Get started

Make your first authenticated request against the sandbox API.

Authentication

Learn how to authenticate API requests with x-api-key.

Accounts

Create accounts and read account balances, wallets, bins, and card capabilities.

Cards

Issue cards, move funds, and change card status.

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Base URL

Production: https://api.finup.io/backend

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Public API scope

The first version of these docs includes:
  • Account creation, capabilities, limits, fees, and available card bins
  • Transaction list, count, and summary
  • Card issuing, listing, details, funding, withdrawal, freeze, unfreeze, and close
  • API key authentication guidance