eID Easy eSignature API vs Exostar ProviderPass: Side-by-Side Comparison (2026)

eID Easy eSignature API: Single API for QES/AdES eSignatures across multiple QTSPs globally. built by eID Easy. Core capabilities include Qualified Electronic Signature (QES) support, Advanced Electronic Signature (AdES) support, Trusted timestamping for long-term signature validity..

Exostar ProviderPass: IAL2-certified EPCS compliance tool for DEA-compliant digital Rx signing. built by Exostar. Core capabilities include IAL2-certified identity proofing via Kantara Initiative, Two-factor authentication (2FA) for prescribing workflow access control, PKI-based digital signing for DEA-compliant tamper-proof prescriptions..

Both serve the Identity Verification market but differ in approach, feature depth, and target audience.

eID Easy eSignature API differentiates with Qualified Electronic Signature (QES) support, Advanced Electronic Signature (AdES) support, Trusted timestamping for long-term signature validity. Exostar ProviderPass differentiates with IAL2-certified identity proofing via Kantara Initiative, Two-factor authentication (2FA) for prescribing workflow access control, PKI-based digital signing for DEA-compliant tamper-proof prescriptions.

eID Easy eSignature API is developed by eID Easy. Exostar ProviderPass is developed by Exostar. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

eID Easy eSignature API and Exostar ProviderPass serve similar Identity Verification use cases: both are Identity Verification tools, both cover MFA, Authentication. Review the feature comparison above to determine which fits your requirements.