No SDK required. SDKs available.

import RevenueHog

@main
struct MyApp: App {
    init() {
        RevenueHog.configure(apiKey: "pk_live_…") // ← the one line
    }
    var body: some Scene { WindowGroup { ContentView() } }
}

// The SDK listens to StoreKit 2 Transaction.updates (plus current
// entitlements once at launch) and attributes every verified
// transaction automatically, to a persisted anonymous id, until:
RevenueHog.identify(userId: "user_42")
// …after which everything reported anonymously re-attributes to user_42.

RevenueHog.setAttributes(["plan": "pro", "cohort": "2026-07"])
RevenueHog.reset() // on logout: fresh anonymous id

import RevenueHog from '@revenuehog/react-native';

RevenueHog.configure({ apiKey: 'pk_live_…' }); // ← the one line

// With react-native-iap installed, purchases attribute automatically.
// Or wire it manually from your own purchase listener:
purchaseUpdatedListener((purchase) => {
  RevenueHog.attributePurchase({
    originalTransactionId:
      purchase.originalTransactionIdentifierIOS ?? purchase.transactionId!,
    productId: purchase.productId,
  });
});

await RevenueHog.identify('user_42'); // links prior anonymous reports
await RevenueHog.setAttributes({ plan: 'pro' });

class App : Application() {
    override fun onCreate() {
        super.onCreate()
        RevenueHog.configure(this, "pk_live_…") // ← the one line
    }
}

// When you know who the user is:
RevenueHog.identify("user_42")
RevenueHog.setAttributes(mapOf("plan" to "pro"))

// Play Billing purchases (stored for future Play ingestion;
// RevenueHog ingests Apple revenue today):
RevenueHog.attributePurchase(
    purchaseToken = purchase.purchaseToken,
    productId = purchase.products.firstOrNull(),
)

# identify: upsert a user (repeat calls merge attributes)
curl -X POST https://revenuehog.dev/api/sdk/v1/identify \
  -H "Authorization: Bearer pk_live_…" \
  -H "Content-Type: application/json" \
  -d '{
    "appUserId": "user_42",
    "bundleId": "com.example.app",
    "platform": "ios",
    "attributes": { "plan": "pro" }
  }'

# attribute: link a StoreKit transaction to that user
curl -X POST https://revenuehog.dev/api/sdk/v1/attribute \
  -H "Authorization: Bearer pk_live_…" \
  -H "Content-Type: application/json" \
  -d '{
    "appUserId": "user_42",
    "bundleId": "com.example.app",
    "originalTransactionId": "2000000123456789",
    "productId": "com.example.app.pro.monthly"
  }'