Sparkasse Mittelsachsen API Access & Open Banking

Sparkasse Mittelsachsen serves the Freiberg region and the wider Mittelsachsen district in Saxony. If you want to pull your own balances and transaction history out of it — for bookkeeping, cash-flow dashboards, or a personal finance tool — open-banking.io gives you a standardised, PSD2-compliant way in that works for both business and personal accounts. There is nothing to install at the bank, no eIDAS certificate to buy, and no screen-scraping.

Everything runs on encryption keys generated on your own device, so open-banking.io never holds anything it could read. It supports Sparkasse Mittelsachsen (BIC WELADED1FGX) alongside 2,600+ other EU and UK banks.

How to connect Sparkasse Mittelsachsen

Connecting happens entirely inside the open-banking.io dashboard — not through any API or code:

  1. Sign up for an open-banking.io account.
  2. Set an encryption passphrase. Your key pair is created locally on your device; only your public key ever leaves it.
  3. In the dashboard, search for Sparkasse Mittelsachsen and choose your account type (business or personal).
  4. You are redirected to Sparkasse Mittelsachsen's own secure login, where you approve access under PSD2. Consent lasts up to 180 days, after which you simply re-approve.
  5. Your accounts sync back into the dashboard, ready to view.

The bank authenticates you directly — open-banking.io never sees your banking credentials.

Access your data

Once 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 with your private decryption key. From there use the CLI (openbanking accounts, openbanking transactions, openbanking sync), an SDK, or the REST API. Every request carries your key in the X-Api-Key header, and every response is decrypted locally with your private key. The API key alone only ever returns ciphertext — without your key, nobody, including open-banking.io's servers, can read a thing. The CLI and SDK only read and sync connections you already made in the dashboard.

Pricing is around EUR 3/month, flat.

FAQ

Do I need a developer account to connect?

No. Connecting Sparkasse Mittelsachsen is done in the dashboard by approving access on the bank's login screen. API keys are only for reading data afterwards.

Can open-banking.io see my transactions?

No. It is zero-knowledge — it stores only your public key. Data is decrypted on your device with a private key that never leaves it.

Can I connect both business and personal accounts?

Yes. Sparkasse Mittelsachsen supports both, each authorised separately for up to 180 days.

Start at open-banking.io.