multisource•api is a Swiss customer data quality and enrichment platform that automates address validation, contact data updates and customer intelligence directly inside CRM and business systems. Organizations use multisource to maintain accurate customer records, reduce manual data maintenance and improve marketing, sales and service processes through reliable real-time data. Key capabilities include: • Real-time address autocomplete and validation • Reverse phone lookup and caller identification • Automated move and death notifications • Customer data enrichment with 200+ attributes • Batch data cleansing and CRM synchronization The solution integrates seamlessly with CRM and business platforms such as Salesforce, HubSpot and Microsoft Dynamics via a modular REST API. An optional admin interface provides transparency, monitoring and operational control for business users. All data is sourced and hosted in Switzerland, ensuring compliance with strict data protection and governance requirements.