Perkly lets you deliver personalised promotions and special offers directly inside your card app or loyalty programme — adding real, tangible value to your service with a single API call.
Simple by design
Pass a year of birth, MCC codes, and preferred language. Get back a ranked list of personalised promotions — with images, voucher codes, and masked redirect URLs — ready to render directly in your app.
// Request
{
"client_id": "card-abc123",
"dob_year": 1988,
"mcc_codes": ["5411", "5812"],
"lang": "en"
}
// Response (truncated)
{
"total": 12,
"assets": [{
"headline": "20% off dining",
"voucher_code": "DINE20",
"image_url": "https://cdn.gc-assets.com/...",
"url": "https://api.gc-assets.com/r/..."
}]
}Why Perkly
Start with 1,500 free API calls per month. Scale to Growth (€50/mo) or Scale (€200/mo) as your user base grows — no setup fees ever.
The API works on anonymised signals — year of birth and MCC codes. No names, emails, or card numbers ever leave your system.
EU by default (Germany & Finland). US and SG regions available — all compliant with local data regulations and UK GDPR.
JWT auth, token-scoped rate limiting, and optimised CORS headers for iOS and Android. Back-off signals via standard rate-limit headers.
20 deterministic test offers across 10 categories. Build and test your entire integration before touching production data.
Single REST endpoint, clear OpenAPI schema, no SDKs required. Most integrations go live in under a week.
Integration
Fill in our short company form. We review every application personally and respond within 2 business days with your sandbox credentials.
Use the sandbox endpoint to build your UI against 20 fixed test offers. Validate click-throughs, images, and localisation without any risk.
Swap to production credentials and switch your endpoint URL. That's it — your cardholders start seeing personalised offers immediately.
Use cases
Enrich banking apps with relevant offers to drive card usage
Deliver card-linked offers without a separate CLO platform
Add a rewards layer to your spending insights
Supplement points with merchant-funded cashback offers
Lifestyle perks and wellness offers for members
Subscriber rewards tied to mobile spending patterns
Cross-category offers to complement your own rewards
White-label offer delivery for your card-programme clients
Content
Pricing
Start free on EU infrastructure. Scale globally as your user base grows. No setup fees, no credit card required to start.
All prices are exclusive of VAT (or applicable local sales tax). VAT is added at checkout where required by law. · Talk to us about custom volumes or multi-region setups.
Apply today — sandbox credentials arrive instantly. Scale when you're ready.