npx create-expo-app@latest my-chipi-app
cd my-chipi-app

# Install Chipi Pay SDK
npx expo install @chipi-stack/chipi-expo

# Install Clerk and authentication packages
# (expo-local-authentication and expo-secure-store already installed in the SDK 55 upgrade above)
npx expo install @clerk/clerk-expo expo-web-browser

EXPO_PUBLIC_CHIPI_API_PUBLIC_KEY=pk_dev_your_public_key_here
EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY=pk_test_your_clerk_publishable_key

{
  "expo": {
    "plugins": [
      [
        "expo-local-authentication",
        {
          "faceIDPermission": "Allow $(PRODUCT_NAME) to use Face ID to unlock your wallet."
        }
      ],
      "expo-secure-store"
    ],
    "ios": {
      "supportsTablet": true,
      "infoPlist": {
        "NSFaceIDUsageDescription": "Allow $(PRODUCT_NAME) to use Face ID to unlock your wallet."
      }
    }
  }
}

// app/_layout.tsx
import { ClerkProvider } from "@clerk/clerk-expo";
import { ChipiProvider } from "@chipi-stack/chipi-expo";
import { tokenCache } from "@clerk/clerk-expo/token-cache";
import { Slot } from "expo-router";

export default function RootLayout() {
  return (
    <ClerkProvider
      publishableKey={process.env.EXPO_PUBLIC_CLERK_PUBLISHABLE_KEY!}
      tokenCache={tokenCache}
    >
      <ChipiProvider
        config={{
          apiPublicKey: process.env.EXPO_PUBLIC_CHIPI_API_PUBLIC_KEY!,
        }}
      >
        <Slot />
      </ChipiProvider>
    </ClerkProvider>
  );
}