Entrust Signhost
Developer Hub

Integrate document signing into your application quickly and easily.

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Lightning-Fast Integration

Get your first digital signature flowing in under 5 minutes with our intuitive REST API and comprehensive documentation.

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Multiple SDKs & Languages

Use the official C# .NET SDK or generate your own using the OpenAPI specification.

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Enterprise-Grade Security

Built on Entrust's trusted infrastructure with advanced encryption, audit trails, and compliance with eIDAS, GDPR, and SOC 2.

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Smart Identity Verification

From simple email to advanced eID (DigiD, eHerkenning), biometrics, and national identity systems - verify signers your way.

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Multi-Document Workflows

Handle complex signing workflows with multiple documents, sequential or parallel signing, and automated reminders.

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Real-Time Status Updates

Track every step with webhooks, real-time status updates, and detailed activity logs for complete transparency.

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Global Reach

Support for 20+ languages and localized experiences across Europe with country-specific compliance and branding.

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Interactive API Explorer

Test endpoints live with our Scalar API explorer, complete with examples, schemas, and instant feedback.

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AI-Ready Documentation

LLM-optimized content with structured llms.txt files following industry standards for seamless AI integration and training.