Everything you need to ship.
SDKs for Node and Go, a self-hosting guide, multi-party approval setup, and end-user onboarding. The protocol spec is public; the source is AGPL-3.0.
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App Onboarding Guide
How to pair your device, approve requests, and manage servers in the Sigil Auth app
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Installing on Linux
Complete installation guide for Sigil Auth CLI device on Linux distributions
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Installing Sigil Auth on Windows
Install the Sigil Auth desktop app on Windows 10+ for hardware-backed authentication
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Integrator Quickstart
Get from zero to first successful authentication in 5 minutes
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CLI Device Tool
Command-line testing device for Sigil Auth integration development
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Go SDK Reference
Complete API reference for the Sigil Auth Go SDK
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Mobile-First Integration Guide
Add Sigil Auth to your iOS/Android app — three integration paths
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Multi-Party Approval Setup
Configure and use multi-party approval for sensitive actions requiring M-of-N group consensus
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Node SDK Reference
Complete API reference for the Sigil Auth Node.js/TypeScript SDK
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Self-Hosting Guide
Deploy Sigil Auth with Docker Compose — mnemonic initialization, webhooks, TLS, and production configuration