---
updatedAt: 2025-09-18T21:26:04.000Z
agentTools:
  projectIndex: https://developers.payfit.io/llms.txt
---

# Social security number 🇫🇷

Reinforce the control with the unique French identifier.

### French social security number

The social security number is specific to the French market. It is an unique number that identified a citizen in the French administration.

You can use the social security number to match the collaborators between PayFit and your database if this data is collected in your solution.