Function paymentProxy

paymentProxy(
    routes: RoutesConfig,
    server: t402ResourceServer,
    paywallConfig?: PaywallConfig,
    paywall?: PaywallProvider,
    syncFacilitatorOnStart?: boolean,
): (req: NextRequest) => Promise<NextResponse<unknown>>
Next.js payment proxy for t402 protocol (direct server instance).

Use this when you want to pass a pre-configured t402ResourceServer instance. This provides more flexibility for testing, custom configuration, and reusing server instances across multiple proxies.
Parameters
- routes: RoutesConfig
  Route configurations for protected endpoints
- server: t402ResourceServer
  Pre-configured t402ResourceServer instance
- OptionalpaywallConfig: PaywallConfig
  Optional configuration for the built-in paywall UI
- Optionalpaywall: PaywallProvider
  Optional custom paywall provider (overrides default)
- syncFacilitatorOnStart: boolean = true
  Whether to sync with the facilitator on startup (defaults to true)
Returns (req: NextRequest) => Promise<NextResponse<unknown>>
Next.js proxy handler
Example
```
import { paymentProxy } from "@t402/next";
import { t402ResourceServer } from "@t402/core/server";
import { registerExactEvmScheme } from "@t402/evm/exact/server";

const server = new t402ResourceServer(myFacilitatorClient);
registerExactEvmScheme(server, {});

export const proxy = paymentProxy(routes, server, paywallConfig);
```
- Defined in http/next/src/index.ts:59