Unified in-app purchase API that works everywhere. Go live in 10 minutes.
// Before: 100+ lines per platform
// After: Just 3 lines with avarlabs
SimpleIap.init('YOUR_API_KEY');
await SimpleIap.purchase('product_id');
// That's it! Works on all platforms ✨Join the 96% of developers who struggle with IAP implementation
"IAP worked perfectly in development but failed immediately after App Store release. Took 4 hours of deleting, restarting, and re-downloading to fix. Lost hundreds of launch day sales."
— iOS Developer, Stack Overflow
"Google's webhook payload was base64 encoded in an undocumented field. Spent 2 weeks debugging why subscriptions weren't syncing with our database."
— Android Developer, Reddit
Works in sandbox, breaks in production. No way to test real transactions until it's too late.
Apple allows pausing subscriptions, Google doesn't. Different APIs, different edge cases.
"Network error" rejections that can't be reproduced locally. Weeks of back-and-forth.
iOS subscription APIs are under-documented. Trial and error is the only way forward.
Server-side validation means more infrastructure. Client-side opens security holes.
Subscription changes happen silently. Building your own polling system is a nightmare.
Developers avoid IAP
Months to implement
Average dev cost
Have critical bugs
Everything you need, nothing you don't
One interface. Every store. Zero headaches.
Faster than ordering coffee
Processing $10M+ monthly with 99.99% uptime
Slack, Gmail, HTTP notifications
Manage products, subscriptions, and purchases across App Store and Google Play with one unified REST API
# One REST API, Both Stores
POST https://api.avarlabs.com/v1/products
{
"id": "premium_monthly",
"price": {
"app_store": 9.99,
"play_store": 9.99
},
"duration": "P1M"
}
# Automatically syncs with both storesTest every payment scenario without real transactions. Perfect development environment included
# Switch to sandbox mode
POST https://sandbox.avarlabs.com/v1/configure
{
"test_users": ["user@test.com"],
"mode": "sandbox"
}
# Test purchases, refunds, subscriptions
# No real charges, full functionality// iOS StoreKit Implementation // 200+ lines of code... // Android Billing Implementation // 200+ lines of code... // Product sync logic // 100+ lines of code... // Webhook handling // 150+ lines of code...
# Simple REST API calls
POST /v1/purchases
{"product_id": "premium"}
GET /v1/purchases/restore
POST /v1/subscriptions
{"plan_id": "monthly"}
# Works on iOS, Android, WebGet instant notifications for every transaction, failure, and refund. Connect your favorite tools and stay informed across all channels.
Route notifications to Slack channels, email addresses, Discord servers, or your custom HTTP endpoints with a single configuration.
Sub-second delivery with intelligent retry logic, exponential backoff, and guaranteed delivery for critical payment events.
HMAC-SHA256 signatures, encrypted payloads, and IP allowlisting ensure your webhook data is secure and authentic.
Start free. Scale affordably.
⏰ Limited spots remaining - Beta closes at 1,000 users
Get beta access and lock in lifetime pricing
⏰ Limited spots remaining - Beta closes at 1,000 users