Sparkasse Gevelsberg-Wetter API Access & Open Banking

Pulling your Sparkasse Gevelsberg-Wetter account and transaction data into your own tools usually means wrestling with PSD2 certificates and sandbox paperwork. open-banking.io removes all of that. It is a certificate-free service covering 2,600+ banks across the EU and UK, and it lets you reach Sparkasse Gevelsberg-Wetter (BIC WELADED1GEV) for both business and personal accounts. Everything is encrypted on your own device, so only you can read what comes back.

How to connect Sparkasse Gevelsberg-Wetter

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 locally on your device; the service never sees your private key.
  2. In the dashboard, pick Sparkasse Gevelsberg-Wetter and choose the account type you want to link — business or personal.
  3. You are redirected to Sparkasse Gevelsberg-Wetter's own secure login, where you approve access on the bank's PSD2 consent screen. Consent lasts up to 180 days before you renew it.
  4. Your accounts sync back into the dashboard, and balances and transactions appear ready to view.

Access your data

Reading your data programmatically is an optional step you take after the bank is connected. 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. Requests authenticate with the X-Api-Key header, and every response is decrypted locally with your own key. The API key on its own only ever returns ciphertext — without your private key it stays unreadable. The CLI and SDK read and sync existing connections; they never create a new bank link.

Privacy and pricing

open-banking.io is zero-knowledge: it holds only your public key and stores your data encrypted, so no one at the service can decrypt your Sparkasse Gevelsberg-Wetter transactions. There are no eIDAS certificates to buy or renew. Pricing is roughly EUR 3 per month.

Do I need a PSD2 certificate for Sparkasse Gevelsberg-Wetter?

No. open-banking.io is certificate-free — you approve access directly on the bank's consent screen.

Can open-banking.io read my account data?

No. Data is decrypted locally with a key only you hold. The service stores only ciphertext and your public key.

How long does access to Sparkasse Gevelsberg-Wetter last?

Up to 180 days per consent. When it expires, you re-approve access on the bank's login screen.

Ready to start? Visit open-banking.io.