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A paywall is where the money happens. It protects one route: price in USDC, methods, path — Proceeds generates the public payment URLs.

Before you start

  • An existing service
  • For the API path: an API key with paywalls:write

Using the dashboard

1

Open the service

On Paywalls, expand the service and click New Paywall.
2

Fill in the form

3

Save & Activate

Copy the payment URLs:
Use clear slugs and descriptions — they show up in transactions, events, and API discovery.

Using the API

In the API, price is USDC in smallest units (6 decimals) as a string. "50000" = $0.05.
Full reference: Create a paywall (API).

Verify the challenge

You should get 402 Payment Required.

Next

Set up an agent wallet

Fund an agent with real USDC, then pay the 402.