eID Easy eSignature API is a platform that provides a single API integration point for accessing electronic signature services across multiple Qualified Trust Service Providers (QTSPs) and identity providers in Europe, Latin America, and Asia-Pacific. The platform supports all legally recognized eSignature types: - Simple Electronic Signature (SES) - Advanced Electronic Signature (AdES Light) - AdES with AATL Certificate - Full AdES with Qualified Certificate - Qualified Electronic Signature (QES) Instead of requiring businesses to integrate separately with each QTSP or regional provider, eID Easy consolidates access through one API. The platform handles the technical connections, certificate access, billing, and regulatory compliance on behalf of the integrating business. Users who already hold USB, smart card, or cloud-based certificates issued by QTSPs can use them directly. Users without certificates can be enrolled through the platform to a QTSP. Key capabilities include: - Trusted timestamping to ensure long-term signature validity - Multi-level signing, allowing different signature types within a single document workflow - Batch (bulk) signing of multiple documents with a single confirmation (QTSP-dependent) - One-shot eSignature for instant, single-use signing scenarios - Cross-provider access to multiple QTSPs through one integration The platform is designed for compliance with eIDAS regulations and targets businesses that require legally valid digital signatures across multiple jurisdictions.