Sentinel SDKs

Sentinel ships official SDKs for Go, JavaScript, and Python - each covering a different language and use case, but all letting you query chain state, manage subscriptions and sessions, and connect to dVPN nodes. The community has also built additional SDKs and libraries that extend support to other languages and use cases; those are listed under Community SDKs below and are not officially maintained by the Sentinel team.

⚙️ Official SDKs

Golang SDK

Full-stack SDK built on Cosmos SDK. Blockchain client, node communication, and native WireGuard/V2Ray/OpenVPN tunnel management.

Javascript SDK

CosmJS-based SDK for browser and Node.js. Queries, signing, WebSocket events, and VPN session handshakes.

Python SDK

gRPC-based SDK for scripting and backend services. Node queries, subscription management, and session handling.

🌐 Community SDKs

.NET / C# SDK

Community-built .NET 8 SDK with WireGuard + V2Ray tunnel support, Cosmos blockchain integration, and a full WPF desktop client example.

Blue JavaScript SDK

Community-built JavaScript SDK for Sentinel dVPN with WireGuard + V2Ray tunnel support and Cosmos blockchain integration.

🤖 Agent & Automation

AI Connect

Community-built JavaScript library for integrating Sentinel dVPN connectivity into AI agents and automation workflows.

x402

Payments layer that lets AI agents pay USDC on Base or Solana for private VPN access through Sentinel nodes.

Plan Manager

Commerce layer for Sentinel dVPN — create on-chain subscription plans, curate node pools, manage subscribers, and issue fee grants.