Volksbank Heidelberg-Neckartal Open Banking API Access

Reaching your Volksbank Heidelberg-Neckartal accounts programmatically no longer means wrestling with eIDAS certificates or a bespoke bank integration. open-banking.io gives you PSD2 access to Volksbank Heidelberg-Neckartal (BIC GENODE61NGD) across both business and personal account types, with every byte decrypted on your own device using a key only you hold. It's a single dashboard for 2,600+ EU and UK banks, priced at roughly EUR 3/month.

How to connect Volksbank Heidelberg-Neckartal

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

1. Sign up for open-banking.io and set your encryption passphrase. Your keypair is generated locally on your device; the service only ever sees your public key.
2. In the dashboard, pick Volksbank Heidelberg-Neckartal and choose the account type you want to link — business or personal.
3. You're redirected to Volksbank Heidelberg-Neckartal's own secure login to approve access. You authenticate directly with the bank and grant PSD2 consent there — your credentials never touch open-banking.io.
4. Once approved, your accounts sync back into the dashboard. Consent lasts up to 180 days, after which you simply re-approve on the bank's screen.

Access your data

After a connection exists, reading it programmatically is an optional developer step. From the Developers page, create an API key and export a credentials.json — this bundles your API key together with your private decryption key. Then 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 CLI and SDK only read and sync connections that already exist — there is no connect command, because linking a bank always goes through the dashboard consent flow above.

This is what zero-knowledge means in practice: open-banking.io stores only ciphertext and your public key, so even the servers holding your synced Volksbank Heidelberg-Neckartal data cannot read it. No certificates, no bank onboarding paperwork.

Do I need an eIDAS certificate?

No. open-banking.io is certificate-free. Consent is granted directly on Volksbank Heidelberg-Neckartal's login screen — you never manage QWAC/QSEAL certificates yourself.

Can open-banking.io see my account data?

No. Your private key never leaves your device, and decryption happens locally. The service only holds encrypted data and your public key.

Does an API key alone return readable data?

No. An X-Api-Key request returns ciphertext; without your private decryption key from credentials.json you cannot read it.

Start at open-banking.io.