Banco Santander Luxembourg Open Banking API Access

Want a private, standards-based way to reach your Banco Santander (Luxembourg) accounts? open-banking.io links to Banco Santander over regulated PSD2 access, so you can view balances and transactions — or pull them programmatically — without ever handing your raw financial data to a third party. Your bank data is decrypted locally with a key that only you hold, which is what makes this a zero-knowledge, certificate-free service across 2,600+ EU and UK banks.

Banco Santander (Luxembourg) is reachable under BIC BSCHLULLXXX, and open-banking.io supports both business and personal account types. A single consent lasts up to 180 days before you're asked to re-approve, so day-to-day syncing runs uninterrupted.

How to connect Banco Santander

Connecting happens entirely in the open-banking.io dashboard — there is no API call, code, or key involved in this step:

  1. Sign up for open-banking.io and set your encryption passphrase. Your keys are generated on your own device, so nobody else — including open-banking.io — can decrypt what you sync.
  2. In the dashboard, pick Banco Santander (Luxembourg) and choose whether you're linking a business or personal account.
  3. You're redirected to Banco Santander's own secure login, where you approve access on the bank's PSD2 consent screen.
  4. Once approved, your accounts sync straight into your open-banking.io dashboard, ready to view.

That's the whole flow: you authorise directly with Banco Santander, and open-banking.io only ever stores your public key.

Access your data

After the connection exists, reading it programmatically is an optional developer step. On the Developers page, create an API key and export a credentials.json — this bundles the API key together with your private decryption key. From there you can use the CLI (openbanking accounts, openbanking transactions, openbanking sync), an SDK, or the REST API directly. Requests authenticate with the X-Api-Key header, and every response is decrypted locally with your own key — an API key on its own only ever returns ciphertext.

All of this runs for roughly EUR 3/month, with no eIDAS certificates or bank-specific onboarding to manage.

Do I need an API key to connect Banco Santander?

No. Connecting is a dashboard-only action where you approve access on Banco Santander's login screen. API keys matter only if you later want to read the data with code.

Can open-banking.io read my Banco Santander data?

No. It's zero-knowledge and holds only your public key. Decryption happens on your device with a key you alone control.

Can business and personal accounts both be linked?

Yes. Banco Santander (Luxembourg) supports both under BIC BSCHLULLXXX, each with consent valid for up to 180 days.

Ready to start? Visit open-banking.io.