Volksbank Mittelhessen API Access & Open Banking

Volksbank Mittelhessen (BIC VBMHDE5FXXX) is a Hessen cooperative bank serving the Gießen, Marburg and Wetzlar region. With open-banking.io you can bring its balances and transactions into one place — and, if you write code, query them programmatically — without certificates, bank partnerships or PSD2 licences of your own. Both business and personal accounts are supported, with consent lasting up to 180 days before you re-approve.

The difference from a raw bank API is privacy: open-banking.io is zero-knowledge. Encryption keys are generated on your own device, and the service only ever holds your public key, so nobody on the server side can read your Volksbank Mittelhessen data.

How to connect Volksbank Mittelhessen

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 created locally on your device.
  2. In the dashboard, search for Volksbank Mittelhessen and choose the account type — business or personal.
  3. You are redirected to Volksbank Mittelhessen's own secure login, where you approve access under PSD2 consent.
  4. Your accounts sync back into the dashboard, and refresh automatically within the 180-day consent window.

Access your data

Once a connection exists, developers can optionally read it programmatically. 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 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. The API key alone only ever returns ciphertext — without your private key it stays unreadable, even to open-banking.io. The CLI and SDK read and sync existing connections; they never create them.

Pricing is roughly EUR 3/month for full access.

Can I connect a business account?

Yes. Volksbank Mittelhessen supports both business and personal accounts; pick the type when you select the bank in the dashboard.

Do I need an API key to connect the bank?

No. Connecting is done in the dashboard by approving access on Volksbank Mittelhessen's login. API keys only matter later, if you want to read data with code.

How long does access last?

Consent runs for up to 180 days, after which you simply re-approve on the bank's consent screen.

Start at open-banking.io.