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See x402 payments in action at paywall.renvoy.ai.

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What the demo does

The paywall demo lets you create a temporary paywall and share it with anyone. Visitors pay USDC to access the content behind it.

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How to use it

1

Go to paywall.renvoy.ai

Visit paywall.renvoy.ai
2

Create a paywall

Set a price, add your content, and provide your wallet address
3

Get a shareable URL

Each paywall gets a unique link
4

Share it

Anyone with the link can pay to access your content
5

Receive USDC

Payments go directly to your wallet on Base or Solana

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What’s happening under the hood

When a visitor clicks “Pay”:
  1. The demo server responds with 402 Payment Required and the price you set
  2. The visitor’s wallet signs a USDC transfer authorization
  3. The facilitator (Renvoy sandbox) settles the payment on-chain
  4. The demo server unlocks the content
The full x402 flow — from 402 response to on-chain settlement — happens in a few seconds.

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Try it yourself

The demo uses the sandbox facilitator and supports both Base Sepolia and Solana Devnet, so no real money is involved. You’ll need testnet USDC in a wallet — get some from the Circle faucet (supports both Base Sepolia and Solana Devnet).