> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.mangopay.com/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.mangopay.com/_mcp/server.

# API - Oct 30, 2019 - Ficus Lyrata

Added

### New Sofort errors

For platforms operating in Germany, we worked on providing more detailed error for Klarna Pay Now (Sofort). We use to have "Null" or "Generic operation error", we now have clear and actionnable error information.\


Improved

### CVV card number and expiry date on iOS

We noticed that our iOS user had difficulties to see their card number and expiry date on the CVV collection page. In order to reassure them, we corrected this bug.\


Changed

### UBO Declaration is now mandatory

Six months ago, we launched the UBO declaration feature to make KYC process for businesses easier. Since the 16/09/2019, this feature is mandatory for the KYC validation. In order to ease up the process, we now allow you to check all the UBO declaration for a user sorted by date.