xPlug SDK
xPlug SDK is the developer toolkit that connects applications on Solana with the x402 payment protocol. It allows builders to integrate verified, gasless, and trustless payments into their dApps with minimal setup and zero friction.
While xPlug Pay is built for everyday users, xPlug SDK is built for developers who want to power their apps with the same “Plug and Pay” simplicity.
How It Works (Conceptually)
xPlug SDK acts as the bridge between a developer’s application and the xPlug ecosystem:
A developer integrates the SDK into their Solana app.
When a user sends a payment, the SDK communicates directly with the xPlug Facilitator.
The Facilitator verifies the transaction through x402, ensures it’s valid, and records it securely on-chain.
The result: instant, verified payments without gas or manual validation.
Key Benefits
Plug-and-Play Integration Developers can enable x402 payments in minutes, not weeks.
Trustless by Default Every transaction is verified on-chain via x402.
Gasless Transactions Facilitators cover transaction fees, ensuring smooth UX for users.
Solana-Native Built to fully leverage Solana’s speed, cost efficiency, and scalability.
Developer-Friendly Simple setup, clear documentation, and ready-to-use modules.
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