# Leads

Seller and buyer lead creation from external tools.

 - [POST /leads/sellers](https://api-doc.immo-facile.com/openapi/leads/createsellerlead.md): Creates a seller lead with a customer and a product. **Synchronization & duplicate behavior:** - The system automatically checks for duplicate customers by email OR phone OR mobile_phone. - Without `c
 - [POST /leads/buyers](https://api-doc.immo-facile.com/openapi/leads/createbuyerlead.md): Creates a buyer lead with a customer and optional search requests. **Synchronization & duplicate behavior:** Same as seller leads (see above). **Search requests:** Each search request contains criteri