Insert Affiliate Flutter SDK

insertAffiliateSdk = InsertAffiliateFlutterSDK(
  companyCode: "YOUR_COMPANY_CODE",
  verboseLogging: true,              // Enable detailed debugging logs
  insertLinksEnabled: true,          // Enable Insert Links (built-in deep linking)
  insertLinksClipboardEnabled: true, // Enable clipboard attribution (triggers permission prompt)
  attributionTimeout: 604800,        // 7 days attribution timeout in seconds
  preventAffiliateTransfer: true,    // Protect original affiliate from being overwritten
);

Parameters:

• verboseLogging: Shows detailed logs for debugging (disable in production)
• insertLinksEnabled: Set to true if using Insert Links, false if using Branch/AppsFlyer
• insertLinksClipboardEnabled: Enables clipboard-based attribution for Insert Links
• attributionTimeout: How long affiliate attribution lasts in seconds (0 = never expires)
• preventAffiliateTransfer: When true, blocks new affiliates from overwriting existing attribution (default: false)

Step 1: Code Setup

Complete the RevenueCat Flutter SDK installation first, then:

import 'package:purchases_flutter/purchases_flutter.dart';
import 'package:insert_affiliate_flutter_sdk/insert_affiliate_flutter_sdk.dart';

class _MyAppState extends State<MyApp> {
  @override
  void initState() {
    super.initState();
    _initializeAsyncDependencies();
  }

  Future<void> _initializeAsyncDependencies() async {
    // Initialize RevenueCat
    await Purchases.configure(PurchasesConfiguration("YOUR_REVENUECAT_API_KEY"));

    // Set up callback to sync affiliate identifier to RevenueCat whenever it changes
    // Note: Use preventAffiliateTransfer in constructor to block affiliate changes in the SDK
    insertAffiliateSdk.setInsertAffiliateIdentifierChangeCallback((identifier, offerCode) async {
      if (identifier == null) return;

      // Ensure subscriber exists by fetching customer info first
      final customerInfo = await Purchases.getCustomerInfo();

      // OPTIONAL: Prevent attribution for existing subscribers
      // Uncomment to ensure affiliates only earn from users they actually brought:
      // if (customerInfo.entitlements.active.isNotEmpty) return; // User already subscribed, don't attribute

      // Get expiry timestamp for insert_timedout
      final expiryTimestamp = await insertAffiliateSdk.getAffiliateExpiryTimestamp();

      // Set RevenueCat attributes
      var attributes = {
        "insert_affiliate": identifier,
        "insert_timedout": expiryTimestamp?.toString() ?? "",  // Expiry timestamp
      };
      if (offerCode != null) {
        attributes["affiliateOfferCode"] = offerCode;
      }

      await Purchases.setAttributes(attributes);
      print('[RevenueCat] Set attributes: $attributes');

      // Sync attributes and refresh offerings for targeting
      await Purchases.syncAttributesAndOfferingsIfNeeded();
    });

    // Check for existing affiliate identifier on app launch
    final existingId = await insertAffiliateSdk.returnInsertAffiliateIdentifier();
    if (existingId != null) {
      final expiryTimestamp = await insertAffiliateSdk.getAffiliateExpiryTimestamp();
      await Purchases.setAttributes({
        "insert_affiliate": existingId,
        "insert_timedout": expiryTimestamp?.toString() ?? "",
      });
    }
  }
}

Step 2: Webhook Setup

1. In RevenueCat, create a new webhook
2. Configure webhook settings:
   • Webhook URL: https://api.insertaffiliate.com/v1/api/revenuecat-webhook
   • Event Type: "All events"
3. In your Insert Affiliate dashboard:
   • Set In-App Purchase Verification to RevenueCat
   • Copy the RevenueCat Webhook Authentication Header value
4. Paste the authentication header into RevenueCat's Authorization header field

✅ RevenueCat setup complete!

Step 1: Install Adapty SDK

Add to your pubspec.yaml:

dependencies:
  adapty_flutter: ^3.2.1

Then run:

flutter pub get

Complete the Adapty Flutter SDK installation for any additional platform-specific setup.

Step 2: Code Setup

import 'package:flutter/material.dart';
import 'package:adapty_flutter/adapty_flutter.dart';
import 'package:insert_affiliate_flutter_sdk/insert_affiliate_flutter_sdk.dart';

late final InsertAffiliateFlutterSDK insertAffiliateSdk;

void main() async {
  WidgetsFlutterBinding.ensureInitialized();

  // Initialize Insert Affiliate SDK
  insertAffiliateSdk = InsertAffiliateFlutterSDK(
    companyCode: "YOUR_COMPANY_CODE",
  );

  runApp(MyApp());
}

class _MyAppState extends State<MyApp> {
  @override
  void initState() {
    super.initState();
    _initializeSDKs();
  }

  Future<void> _initializeSDKs() async {
    // Initialize Adapty
    await Adapty().activate(
      configuration: AdaptyConfiguration(apiKey: 'YOUR_ADAPTY_PUBLIC_KEY')
        ..withLogLevel(AdaptyLogLevel.verbose),
    );

    // Set up callback for affiliate identifier changes
    insertAffiliateSdk.setInsertAffiliateIdentifierChangeCallback((identifier, offerCode) async {
      if (identifier != null && identifier.isNotEmpty) {
        await _updateAdaptyWithAffiliateId(identifier);
      }
    });

    // Check for existing affiliate identifier
    final existingId = await insertAffiliateSdk.returnInsertAffiliateIdentifier();
    if (existingId != null && existingId.isNotEmpty) {
      await _updateAdaptyWithAffiliateId(existingId);
    }
  }

  Future<void> _updateAdaptyWithAffiliateId(String affiliateId) async {
    final builder = AdaptyProfileParametersBuilder()
      ..setCustomStringAttribute(affiliateId, 'insert_affiliate');
    await Adapty().updateProfile(builder.build());
  }
}

Step 3: Ensure Attribution Before Purchase

Future<void> _makePurchase(AdaptyPaywallProduct product) async {
  // Always ensure affiliate ID is set before purchase
  final affiliateId = await insertAffiliateSdk.returnInsertAffiliateIdentifier();
  if (affiliateId != null && affiliateId.isNotEmpty) {
    final builder = AdaptyProfileParametersBuilder()
      ..setCustomStringAttribute(affiliateId, 'insert_affiliate');
    await Adapty().updateProfile(builder.build());
  }

  // Now make the purchase
  final result = await Adapty().makePurchase(product: product);
  // Handle result...
}

Step 4: Webhook Setup

1. In your Insert Affiliate dashboard:

   • Set In-App Purchase Verification to Adapty
   • Copy the Adapty Webhook URL
   • Copy the Adapty Webhook Authorization Header value

2. In the Adapty Dashboard:

   • Navigate to Integrations → Webhooks
   • Set Production URL to the webhook URL from Insert Affiliate
   • Set Sandbox URL to the same webhook URL
   • Paste the authorization header value into Authorization header value
   • Enable these options:
     • Exclude historical events
     • Send attribution
     • Send trial price
     • Send user attributes
   • Save the configuration

Step 5: Verify Integration

To confirm the affiliate identifier is set correctly:

1. Go to app.adapty.io/profiles/users
2. Find the test user who made a purchase
3. Look for insert_affiliate in Custom attributes with format: {SHORT_CODE}-{UUID}

✅ Adapty setup complete!

Step 1: Code Setup

Complete the In App Purchase Flutter Library setup first:

import 'package:in_app_purchase/in_app_purchase.dart';
import 'package:insert_affiliate_flutter_sdk/insert_affiliate_flutter_sdk.dart';

class _MyAppState extends State<MyApp> {
  final InAppPurchase _iap = InAppPurchase.instance;

  void _listenToPurchaseUpdated(List<PurchaseDetails> purchaseDetailsList) async {
    for (var purchaseDetails in purchaseDetailsList) {
      if (purchaseDetails.status == PurchaseStatus.purchased) {
        final jsonIapPurchase = {
          'transactionReceipt': purchaseDetails.verificationData.localVerificationData,
          'orderId': purchaseDetails.purchaseID,
          'purchaseToken': purchaseDetails.verificationData.serverVerificationData,
          'signature': purchaseDetails.verificationData.localVerificationData,
          'applicationUsername': await insertAffiliateSdk.returnInsertAffiliateIdentifier(),
        };

        await insertAffiliateSdk.validatePurchaseWithIapticAPI(
          jsonIapPurchase,
          "YOUR_IAPTIC_APP_ID",
          "YOUR_IAPTIC_APP_NAME",
          "YOUR_IAPTIC_PUBLIC_KEY"
        );
      }
    }
  }
}

Step 2: Webhook Setup

1. In Insert Affiliate settings:
   • Set verification method to Iaptic
   • Copy the Iaptic Webhook URL and Iaptic Webhook Sandbox URL
2. In Iaptic Settings:
   • Paste the Webhook URLs into corresponding fields
   • Click Save Settings
3. Complete Iaptic App Store Server Notifications setup
4. Complete Iaptic Google Play Notifications setup

✅ Iaptic setup complete!

Step 1: Visit our docs and complete the App Store Server Notifications setup.

Step 2: Implementing Purchases

import 'dart:io';
import 'package:in_app_purchase/in_app_purchase.dart';
import 'package:insert_affiliate_flutter_sdk/insert_affiliate_flutter_sdk.dart';

void _buySubscription(ProductDetails product) async {
  String? appAccountToken;
  if (Platform.isIOS) {
    appAccountToken = await insertAffiliateSdk.returnUserAccountTokenAndStoreExpectedTransaction();
  }

  final purchaseParam = PurchaseParam(
    productDetails: product,
    applicationUserName: appAccountToken,
  );

  _iap.buyNonConsumable(purchaseParam: purchaseParam);
}

✅ App Store Direct setup complete!

Step 1: Visit our docs and complete the RTDN setup.

Step 2: Implementing Purchases

import 'dart:io';
import 'package:in_app_purchase/in_app_purchase.dart';
import 'package:in_app_purchase_android/in_app_purchase_android.dart';
import 'package:insert_affiliate_flutter_sdk/insert_affiliate_flutter_sdk.dart';

void _listenToPurchaseUpdated(List<PurchaseDetails> purchaseDetailsList) async {
  for (var purchaseDetails in purchaseDetailsList) {
    if (purchaseDetails.status == PurchaseStatus.purchased) {
      if (Platform.isAndroid && purchaseDetails is GooglePlayPurchaseDetails) {
        final purchaseToken = purchaseDetails.billingClientPurchase.purchaseToken;
        if (purchaseToken.isNotEmpty) {
          await insertAffiliateSdk.storeExpectedStoreTransaction(purchaseToken);
        }
      }
      InAppPurchase.instance.completePurchase(purchaseDetails);
    }
  }
}

✅ Google Play Direct setup complete!

Insert Links is Insert Affiliate's built-in deep linking solution.

Step 1: Complete the Insert Links setup in the dashboard.

Step 2: Initialize with Insert Links enabled

insertAffiliateSdk = InsertAffiliateFlutterSDK(
  companyCode: "YOUR_COMPANY_CODE",
  verboseLogging: true,
  insertLinksEnabled: true,
  insertLinksClipboardEnabled: true,
);

Step 3: Set up deep link handling with app_links

Add to pubspec.yaml:

dependencies:
  app_links: ^6.3.2

import 'package:app_links/app_links.dart';
import 'package:insert_affiliate_flutter_sdk/insert_affiliate_flutter_sdk.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();

  insertAffiliateSdk = InsertAffiliateFlutterSDK(
    companyCode: "YOUR_COMPANY_CODE",
    insertLinksEnabled: true,
    insertLinksClipboardEnabled: true,
  );

  // Set up callback for affiliate identifier changes
  insertAffiliateSdk.setInsertAffiliateIdentifierChangeCallback((identifier, offerCode) async {
    if (identifier != null) {
      // For RevenueCat:
      // var attrs = {"insert_affiliate": identifier, "insert_timedout": ""};
      // if (offerCode != null) attrs["affiliateOfferCode"] = offerCode;
      // await Purchases.setAttributes(attrs);
      // await Purchases.syncAttributesAndOfferingsIfNeeded();

      // For Adapty:
      // final builder = AdaptyProfileParametersBuilder()
      //   ..setCustomStringAttribute(identifier, 'insert_affiliate');
      // await Adapty().updateProfile(builder.build());

      // For Apphud:
      // await Apphud.setUserProperty(key: "insert_affiliate", value: identifier, setOnce: false);
    }
  });

  // Set up deep link listener
  _setupDeepLinkListener();

  runApp(MyApp());
}

void _setupDeepLinkListener() async {
  final appLinks = AppLinks();

  // Check for initial link
  final initialLink = await appLinks.getInitialLink();
  if (initialLink != null) {
    await insertAffiliateSdk.handleDeepLink(initialLink.toString());
  }

  // Listen for incoming links
  appLinks.uriLinkStream.listen((Uri uri) async {
    await insertAffiliateSdk.handleDeepLink(uri.toString());
  });
}

Universal Links (Optional, Recommended)

Universal Links provide a better user experience than custom URL schemes. When a user taps an Insert Link and already has your app installed, iOS opens the app directly — without loading the browser.

Prerequisites:

• Enter your Apple Team ID and iOS Bundle Identifier in the Insert Affiliate dashboard settings

Step 1: Add Associated Domains in Xcode

Go to your app target → Signing & Capabilities → + Capability → Associated Domains.

Add:

applinks:insertaffiliate.link

If you have a custom domain (e.g. links.yourcompany.com), also add:

applinks:links.yourcompany.com

Step 2: Disable Flutter's built-in deep link handling

Add this to your ios/Runner/Info.plist to prevent Flutter's engine from trying to route Universal Link URLs (which causes Safari to open after the SDK handles the link):

<key>FlutterDeepLinkingEnabled</key>
<false/>

Step 3: Handle Universal Links in your app

The app_links package used above already handles Universal Links — both getInitialLink() and uriLinkStream receive Universal Link URLs. The SDK's handleDeepLink() method routes them to the correct handler automatically. No additional code changes needed.

Note: Universal Links won't trigger if you type the URL directly into Safari's address bar — tap it from Notes or Messages for a real test.

Testing Universal Links:

# iOS Simulator
xcrun simctl openurl booted "https://insertaffiliate.link/YOUR_COMPANY_CODE/TEST_SHORT_CODE"

# Real device (get UDID from: xcrun devicectl list devices)
xcrun devicectl device process launch -d YOUR_DEVICE_UDID com.apple.mobilesafari "https://insertaffiliate.link/YOUR_COMPANY_CODE/TEST_SHORT_CODE"

Android App Links (Optional, Recommended)

Android App Links provide a better user experience than custom URL schemes. When a user taps an Insert Link and already has your app installed, Android opens the app directly — without loading the browser or showing a disambiguation dialog.

Prerequisites:

• Enter your Android Bundle Identifier (package name) and SHA-256 Certificate Fingerprints in the Insert Affiliate dashboard settings

Step 1: Add intent filter to AndroidManifest.xml

Add this inside your main <activity> tag in android/app/src/main/AndroidManifest.xml:

<intent-filter android:autoVerify="true">
    <action android:name="android.intent.action.VIEW" />
    <category android:name="android.intent.category.DEFAULT" />
    <category android:name="android.intent.category.BROWSABLE" />
    <data android:scheme="https" android:host="insertaffiliate.link" />
</intent-filter>

If you have a custom domain, add another intent filter with your domain.

Step 2: Set launch mode

Add android:launchMode="singleTop" to your main activity to prevent it being recreated when an App Link is tapped:

<activity
    android:name=".MainActivity"
    android:launchMode="singleTop"
    ...>

No additional code changes needed — the app_links package already receives App Link URLs and the SDK routes them to the correct handler automatically.

✅ Insert Links setup complete!

Key Integration Steps:

1. Install and configure Flutter Branch SDK
2. Listen for Branch deep link events with FlutterBranchSdk.listSession()
3. Extract ~referring_link from Branch callback
4. Pass to Insert Affiliate SDK using setInsertAffiliateIdentifier()

import 'package:flutter_branch_sdk/flutter_branch_sdk.dart';
import 'package:insert_affiliate_flutter_sdk/insert_affiliate_flutter_sdk.dart';

_branchStreamSubscription = FlutterBranchSdk.listSession().listen((data) {
  if (data.containsKey("+clicked_branch_link") && data["+clicked_branch_link"] == true) {
    insertAffiliateSdk.setInsertAffiliateIdentifier(data["~referring_link"]);

    // For RevenueCat: Update attributes
    insertAffiliateSdk.returnInsertAffiliateIdentifier().then((value) async {
      if (value != null) {
        await Purchases.setAttributes({"insert_affiliate": value});
        await Purchases.syncAttributesAndOfferingsIfNeeded();
      }
    });
  }
});

📖 View complete Branch.io integration guide →

Key Integration Steps:

1. Install and configure AppsFlyer Flutter SDK
2. Listen for onDeepLinking and onInstallConversionData callbacks
3. Pass deep link value to Insert Affiliate SDK using setInsertAffiliateIdentifier()

import 'package:appsflyer_sdk/appsflyer_sdk.dart';
import 'package:insert_affiliate_flutter_sdk/insert_affiliate_flutter_sdk.dart';

_appsflyerSdk.onDeepLinking((deepLinkResult) async {
  if (deepLinkResult.status == Status.FOUND) {
    final deepLinkValue = deepLinkResult.deepLink?.deepLinkValue;
    if (deepLinkValue != null) {
      await insertAffiliateSdk.setInsertAffiliateIdentifier(deepLinkValue);

      // For RevenueCat: Update attributes
      final affiliateId = await insertAffiliateSdk.returnInsertAffiliateIdentifier();
      if (affiliateId != null) {
        await Purchases.setAttributes({"insert_affiliate": affiliateId});
        await Purchases.syncAttributesAndOfferingsIfNeeded();
      }
    }
  }
});

📖 View complete AppsFlyer integration guide →

Track custom events beyond purchases to incentivize affiliates for specific actions.

ElevatedButton(
  onPressed: () {
    insertAffiliateSdk.trackEvent(eventName: "user_signup")
      .then((_) => print('Event tracked successfully!'))
      .catchError((error) => print('Error: $error'));
  },
  child: Text("Track Signup"),
);

Use Cases:

• Pay affiliates for signups instead of purchases
• Track trial starts, content unlocks, or other conversions

Short codes are unique, 3-25 character alphanumeric identifiers that affiliates can share.

Validate and Store Short Code:

final isValid = await insertAffiliateSdk.setShortCode('SAVE20');

if (isValid) {
  showDialog(
    context: context,
    builder: (context) => AlertDialog(
      title: Text('Success'),
      content: Text('Affiliate code applied!'),
    ),
  );
} else {
  showDialog(
    context: context,
    builder: (context) => AlertDialog(
      title: Text('Error'),
      content: Text('Invalid affiliate code'),
    ),
  );
}

Get Affiliate Details Without Setting:

final details = await insertAffiliateSdk.getAffiliateDetails('SAVE20');

if (details != null) {
  print('Affiliate Name: ${details.affiliateName}');
  print('Short Code: ${details.affiliateShortCode}');
  print('Deep Link: ${details.deeplinkUrl}');
}

Learn more: Short Codes Documentation

Automatically apply discounts or trials when users come from specific affiliates.

How It Works:

1. Configure an offer code modifier in your dashboard (e.g., oneWeekFree)
2. SDK automatically fetches and stores the modifier when affiliate identifier is set
3. The affiliateOfferCode attribute is set in RevenueCat for targeting

Option 1: RevenueCat Targeting (Recommended)

Use RevenueCat's targeting feature to automatically show different offerings based on the affiliateOfferCode attribute. No manual product ID construction needed.

Step 1: Create offerings in RevenueCat (e.g., default and oneWeekFree)

Step 2: Configure targeting rules in RevenueCat:

• Condition: affiliateOfferCode is any of oneWeekFree
• Show Offering: Select your promotional offering

Step 3: Just use offerings.current in your app:

final offerings = await Purchases.getOfferings();
final packages = offerings.current?.availablePackages ?? [];
// RevenueCat targeting automatically shows the right offering!

Option 2: Manual Product ID Construction (Alternative)

If not using RevenueCat targeting, you can manually construct product IDs:

String? offerCode = await insertAffiliateSdk.getStoredOfferCode();

final baseProductId = "oneMonthSubscription";
final dynamicProductId = offerCode != null
    ? '${baseProductId}_$offerCode'  // e.g., "oneMonthSubscription_oneWeekFree"
    : baseProductId;

📖 View complete Dynamic Offer Codes guide →

Control how long affiliate attribution remains active.

Set Timeout During Initialization:

insertAffiliateSdk = InsertAffiliateFlutterSDK(
  companyCode: "YOUR_COMPANY_CODE",
  attributionTimeout: 604800, // 7 days in seconds
);

Runtime Updates:

// Set 7-day timeout
await insertAffiliateSdk.setAffiliateAttributionTimeout(604800);

// Disable timeout (never expires)
await insertAffiliateSdk.setAffiliateAttributionTimeout(0);

// Check if attribution is still valid
final isValid = await insertAffiliateSdk.isAffiliateAttributionValid();

// Get when attribution was stored
final storedDate = await insertAffiliateSdk.getAffiliateStoredDate();

Common Timeout Values:

• 1 day: 86400
• 7 days: 604800 (recommended)
• 30 days: 2592000
• No timeout: 0 (default)

Bypass Timeout for Testing:

// Get identifier even if attribution has expired
final identifier = await insertAffiliateSdk.returnInsertAffiliateIdentifier(ignoreTimeout: true);

Get notified when the affiliate identifier changes. The callback now includes both the identifier and the offer code:

insertAffiliateSdk.setInsertAffiliateIdentifierChangeCallback((identifier, offerCode) async {
  if (identifier != null) {
    print('Affiliate changed: $identifier, offer code: $offerCode');

    // Update your IAP platform with both identifier and offer code
    var attributes = {"insert_affiliate": identifier, "insert_timedout": ""};
    if (offerCode != null) {
      attributes["affiliateOfferCode"] = offerCode;
    }
    await Purchases.setAttributes(attributes);
    await Purchases.syncAttributesAndOfferingsIfNeeded();
  }
});

Get the Unix timestamp (in milliseconds) when the current affiliate attribution expires:

final expiryTimestamp = await insertAffiliateSdk.getAffiliateExpiryTimestamp();

if (expiryTimestamp != null) {
  final expiryDate = DateTime.fromMillisecondsSinceEpoch(expiryTimestamp);
  print('Attribution expires at: $expiryDate');

  // Check if expired
  if (DateTime.now().millisecondsSinceEpoch > expiryTimestamp) {
    print('Attribution has expired');
  }
}

Returns null if no attribution date is stored or if timeout is disabled.

Turn your own users into affiliates from inside your app. Each referrer is a normal Insert Affiliate affiliate (same dashboard, commission and payouts), and your app can read how many referrals they have made to reward them.

Switch the program on in the Insert Affiliate dashboard first. Enrolment is refused while it is off.

Drop-in screen:

await insertAffiliateSdk.showReferAFriend(
  context,
  options: ReferAFriendOptions(
    email: currentUser.email, // prefill with your logged-in user
    name: currentUser.name,
    appUserId: revenueCatAppUserId, // optional, for automatic rewards (see below)
    shareMessage: 'Get a free week of MyApp: {link}', // optional, supports {link} and {code}
    primaryColor: Colors.teal,  // optional, overrides the dashboard colour
    headline: 'Invite friends', // optional, overrides the dashboard copy
    rewardText: 'Earn a free week for every friend who subscribes.',
    onClose: () => refreshRewards(),
  ),
);

The screen handles every step: loading, the "Get my link" form, the 6-digit email code when the email is already an affiliate, and the enrolled view with the code, link, Copy and Share buttons, referral count, amount earned and an "Open my dashboard" link. When the referrer has been granted rewards it also shows "Free premium until {date}" (while that date is in the future) a "Your rewards" list of the codes this phone can redeem, each with a Redeem button: App Store offer codes on iOS, Google Play promo codes on Android. You can also push or embed ReferAFriendScreen(sdk: insertAffiliateSdk, options: ...) yourself.

Headline, reward text and colour come from your options first, then your dashboard settings, then the defaults ("Refer a friend", #6A0DAD), so you can change the wording without an app release. fontFamily and cornerRadius are also available.

Translating or rewording the screen: pass strings. Every field is optional, and one left out or blank keeps the English default below. {email} and {date} are replaced when the screen shows the text, so keep them in a translation.

await insertAffiliateSdk.showReferAFriend(
  context,
  options: const ReferAFriendOptions(
    strings: ReferralStrings(
      joinIntro: 'Receba o seu link para partilhar com amigos.',
      emailLabel: 'Email',
      nameLabel: 'Nome',
      joinButton: 'Obter o meu link',
      codeSentNotice: 'Enviamos um codigo de 6 digitos para {email}.',
      verifyButton: 'Confirmar',
      premiumUntil: 'Premium gratuito ate {date}',
      errorNetwork: 'Sem ligacao. Tente novamente.',
    ),
  ),
);

The headline and the reward line are not in strings: they stay on headline and rewardText, which fall back to your dashboard settings.

Headless methods (build your own UI):

// Make the user a referrer. appUserId and playPurchaseToken are optional (see Automatic rewards below).
final result = await insertAffiliateSdk.createAffiliateForUser(
  'jane@example.com',
  'Jane',
  appUserId: revenueCatAppUserId,
);

switch (result.status) {
  case AffiliateEnrolmentStatus.created:
    print('Share this: ${result.affiliate?.deeplinkUrl}');
    break;
  case AffiliateEnrolmentStatus.verificationRequired:
    // The email is already an affiliate. We emailed them a 6-digit code.
    final verified = await insertAffiliateSdk.verifyAffiliateCode('jane@example.com', codeFromUser);
    break;
  case AffiliateEnrolmentStatus.error:
    print('${result.errorCode}: ${result.errorMessage}');
    break;
  default:
    break;
}

// Referral stats (null when this device is not connected)
final me = await insertAffiliateSdk.getMyAffiliateDetails();
if (me != null) {
  print('${me.referralCount} referrals, earned ${me.totalEarned} ${me.currency}');
  print('${me.rewardsGranted} rewards, premium until ${me.premiumUntil}');
  for (final reward in me.rewardCodes) {
    print('${reward.store} ${reward.code}: ${reward.redeemUrl}'); // newest first
  }
}

// The user subscribed or logged in after joining: save their account so waiting rewards are granted
await insertAffiliateSdk.setReferrerAccount(appUserId: revenueCatAppUserId);

final isReferrer = await insertAffiliateSdk.isUserAnAffiliate(); // local check, no network
final config = await insertAffiliateSdk.getReferralProgramConfig(); // dashboard settings
await insertAffiliateSdk.shareReferralLink(message: 'Join me on MyApp: {link}'); // system share sheet
await insertAffiliateSdk.signOutAffiliate(); // call when your user logs out

Error codes: PROGRAM_DISABLED, AFFILIATE_LIMIT_REACHED, INVALID_EMAIL, INVALID_CODE, TOO_MANY_CODES, RATE_LIMITED, NETWORK_ERROR.

referralCount is the count for what your dashboard counts as a referral (install, a tracked event, or a purchase). It only goes up, so you can compare it with what you have already rewarded and grant the difference.

How the device stays connected: enrolling stores a private token for your company code in the SDK's app storage (the token is never logged). If the app is deleted, or the user moves to a new phone, calling createAffiliateForUser again with the same email sends them a code to reconnect. Their affiliate account and earnings are untouched.

Rewarding referrers: values on the device are for display. A modified device can fake them, so grant anything of real value (credits, premium time) from your server using the referral.created webhook or the Public API. For free premium time, use Apple/Google offer codes or RevenueCat promotional entitlements.

Automatic rewards: when referrer rewards are set up in the dashboard (RevenueCat, Adapty, App Store offer codes or Google Play), Insert Affiliate grants them for you. To know who to reward, pass the referrer's appUserId (RevenueCat app user id or Adapty customer user id) and/or playPurchaseToken (their own Google Play subscription purchase token) to createAffiliateForUser / verifyAffiliateCode. The drop-in screen takes the same values as appUserId / playPurchaseToken options: it sends them when the user enrols, and calls setReferrerAccount for you when it opens for a user who is already enrolled. If the user subscribes or logs in later, call setReferrerAccount then; any rewards that were waiting are granted. The SDK also sends its device id so a user cannot refer themselves. Reward codes appear in rewardCodes. Each has a store: 'app_store' for an App Store offer code (iOS only) or 'google_play' for a Google Play promo code (Android only, redeemUrl is https://play.google.com/redeem?code=...). Codes from older servers have no store and are read as 'app_store'. The drop-in screen lists only the codes the phone can redeem; rewardCodesForPlatform(codes, platform: defaultTargetPlatform, isWeb: kIsWeb) does the same filtering for your own UI.

Build your own screen: everything the drop-in screen does is a method call, so you can ignore ReferAFriendScreen entirely. In the order you would call them:

1. getReferralProgramConfig() for the program settings and copy. enabled false means joining is refused.
2. isUserAnAffiliate() to see whether this device is already connected, without a network call.
3. Not enrolled: createAffiliateForUser(email, name). status is created (connected, result.affiliate has the code and link), verificationRequired, or error.
4. Code needed: verifyAffiliateCode(email, code) with the 6-digit code from the email. Call createAffiliateForUser again to send a new code, and go back to step 3 for a different email. Digits typed in any script are accepted.
5. Enrolled: getMyAffiliateDetails() for the code, link, referralCount, earnings and dashboardUrl.
6. Rewards: on the same object, rewardsGranted, premiumUntil and rewardCodes (each with code, redeemUrl, store, grantedAt). rewardCodesForPlatform(codes, platform: defaultTargetPlatform, isWeb: kIsWeb) keeps the ones this phone can redeem, and buildReferralShareText(...) builds the same share text the screen uses.
7. Sharing: shareReferralLink() for the system share sheet, or your own UI around the link and code.
8. Accounts and sign out: setReferrerAccount(...) when the user subscribes or logs in, signOutAffiliate() when they log out.

Errors: createAffiliateForUser and verifyAffiliateCode return errorCode (PROGRAM_DISABLED, AFFILIATE_LIMIT_REACHED, INVALID_CODE, TOO_MANY_CODES, RATE_LIMITED, INVALID_EMAIL, NETWORK_ERROR, INVALID_COMPANY_ID, INVALID_RESPONSE, or HTTP_<status>) and errorMessage, so you can write your own wording. getMyAffiliateDetails() and getReferralProgramConfig() return null instead of a code: after a null, isUserAnAffiliate() returning true means the device is still connected and the call failed for network reasons, which is exactly how the drop-in screen tells the two apart.

Store rules: the SDK uses the system share sheet only and never reads Contacts. Never gate app features behind sharing, and never reward ratings or reviews.

This feature adds the share_plus dependency for the system share sheet.