Business account, latest operations
- Incoming: Nowak Sp. z o.o.+PLN 6,200.00
- Social security (ZUS)-PLN 1,774.10
- Office rent-PLN 2,100.00
AIS
Account data, account-to-account payments and AI assistants across 40+ banks in CEE. Through an API, a widget, MCP or the payment gateway.


Works with:
In testing:
Data, payments and AI agents run on the same bank connections, the same user consent. Access through API, widget, MCP or the payment gateway.
Business account, latest operations
AIS
A bank transfer instead of a card. One-off, recurring, deferred or bulk, approved in the banking app.
Explore paymentsConnect Claude, ChatGPT or another agent to bank accounts. Legally and read-only.
Explore Fizen MCPAI assistant with Fizen MCP
How much did I spend on fuel this month?
In October, 7 transactions at petrol stations, PLN 1,284.60 in total. That is 12% more than in September.
Three ways in
APIREST + webhooks
Payments and data straight in your system. Statuses and new transactions arrive by webhook.
WidgetFizen Connect
A ready screen for choosing the bank, consent and payment. Embed it in your app or shop instead of building your own.
MCPmcp.fizen.com
A server for Claude, ChatGPT and your own agents. The assistant reads balances and history, read-only.
One integration gives you retail and business banks across the region.
PKO Finat, Kropka lottery
100,000
receipts a month verified through AIS

In the Kropka lottery, Fizen confirms, with the participant's consent, that an added receipt matches a real transaction from their account.
It was one of the most pleasant and trouble-free integrations of my career in digital banking. Together we proved that PSD2 and open banking do not have to come with a pile of technical problems.
REST with webhooks for payments and data, the Fizen Connect widget for bank choice and consent, an MCP server for agents. The sandbox with test banks works from day one.
curl -X POST "https://api.sandbox.fizen.com/[payment initiation path]" \ -H "apiKey: [YOUR_API_KEY]" \ -H "token: [YOUR_TOKEN]" \ -H "Content-Type: application/json" \ -d '{ "amount": "149.00", "currency": "PLN", "description": "Order 10482", "recipientIban": "[recipient IBAN]", "redirectUrl": "https://your-shop.com/payment/return" }'{ "mcpServers": { "fizen": { "type": "http", "url": "https://mcp.fizen.com" } }}We set up business accounts and API keys after a short conversation: tell us what you do and we reply within one business day. For yourself, you can start right away.