Banque Chalus API Access & Open Banking Data Sync

Banque Chalus, the Avignon-based cooperative bank of the Crédit Agricole family, keeps your everyday accounts, savings and cards in its own portal. open-banking.io lets you pull that same information into one place — and, if you write code, read it programmatically — without EQ certificates, eIDAS setups or a licence of your own. Both business and personal Banque Chalus accounts are supported, with a PSD2 consent that stays valid for up to 180 days before you re-approve.

The difference is where your data ends up. open-banking.io is zero-knowledge: the encryption keys are generated on your own device from a passphrase you choose, and the service only ever holds your public key. Everything you fetch is decrypted locally, so no server — not even open-banking.io's — can read your Banque Chalus balances or transactions.

How to connect Banque Chalus

Connecting happens entirely inside 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 at this moment.
  2. In the dashboard, search for Banque Chalus and choose the account type you hold (business or personal).
  3. You are redirected to Banque Chalus's own secure login, where you approve access on the bank's PSD2 consent screen.
  4. Your accounts sync back into your dashboard, ready to view.

Note that Banque Chalus does not publish a public BIC here (BIC n/a), so simply pick it by name in the list.

Access your data

Once the connection exists, developers can optionally read it in code. Open 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 the CLI (openbanking accounts, openbanking transactions, openbanking sync), an SDK, or the REST API return your data. Every request carries the X-Api-Key header, and each response is decrypted locally with your own key — the key alone yields only ciphertext. The CLI and SDK only read and sync connections that already exist; they never create one.

At roughly EUR 3/month, you get ongoing access across 2,600+ EU/UK banks.

Does open-banking.io store my Banque Chalus password?

No. You authenticate directly on Banque Chalus's site; open-banking.io never sees your credentials.

Can open-banking.io read my transactions?

No. It holds only your public key, so data is decrypted solely on your device.

Up to 180 days, after which you re-approve access with Banque Chalus.

Start at https://open-banking.io.