API key management for subscription-based APIs.
Holdify connects your payment provider (Polar, Stripe) to your API. When someone subscribes, their API key is created automatically with the right limits.
Features:
• API key generation & verification
• Rate limiting per customer
• Native Polar integration
• Usage analytics
• Automatic subscription sync
Free tier: 150K requests/month
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About this launch
Holdify by Alix Will be launched January 19th 2027.