Kreissparkasse Melle API Access & Open Banking

Kreissparkasse Melle (BIC NOLADE21MEL) serves personal and business customers in the Melle region of Lower Saxony. With open-banking.io you can bring those account balances and transactions into one place — and, if you build software, read them programmatically — without chasing eIDAS certificates or maintaining your own PSD2 stack. Everything is decrypted on your own device with a key that never leaves it.

How to connect Kreissparkasse Melle

Connecting happens entirely inside the open-banking.io dashboard — there is no API call, endpoint, or key involved in linking a bank.

  1. Sign up for open-banking.io and set your encryption passphrase. Your keys are generated locally, on your device, so only you can later unlock the data.
  2. In the dashboard, search for Kreissparkasse Melle and choose the account type you hold — business or personal.
  3. You are redirected to Kreissparkasse Melle's own secure login, where you approve access under PSD2. Consent lasts up to 180 days, after which you simply re-approve.
  4. Your selected accounts sync back into the dashboard, ready to view.

That is the whole flow: you approve on the bank's screen, and open-banking.io never sees your banking credentials.

Access your data

Once Kreissparkasse Melle is connected, reading the data in code is an optional developer step. Open the Developers page, create an API key, and export a credentials.json — this bundles your API key together with your private decryption key. From there use the CLI (openbanking accounts, openbanking transactions, openbanking sync), an SDK, or the REST API directly. Requests carry your key in the X-Api-Key header, and every response is decrypted locally against your private key. The CLI and SDK only read and sync connections that already exist — there is no connect command, because linking always happens in the dashboard.

Because open-banking.io is zero-knowledge, its servers hold only your public key. An API key on its own returns ciphertext; without your private key the payload stays unreadable. All of this — plus 2,600+ other EU/UK banks — is around EUR 3/month.

Do I need a certificate to connect Kreissparkasse Melle?

No. open-banking.io is certificate-free. You only need a Kreissparkasse Melle login to approve consent on the bank's own page.

Can open-banking.io read my Kreissparkasse Melle transactions?

No. Data is decrypted locally with a key only you hold. The service stores your public key and encrypted data, nothing it can open.

How long does access last?

Kreissparkasse Melle grants consent for up to 180 days. When it expires, re-approve from the dashboard to keep syncing.

Ready to start? Visit open-banking.io.