HTTP 402 Payment Required middleware for Mantle Network Monetize your APIs with on-chain blockchain payments
Mantle-402 is an open-source Express.js middleware that enables API monetization through blockchain payments.
🔌 One-line integration - Add middleware to any endpoint
💰 Flexible pricing - Pay-per-request or prepaid balance
⚡ Low fees - Built on Mantle L2 for cheap microtransactions
🔒 Secure - On-chain payment verification, no chargebacks
Perfect for developers who want to monetize their APIs without complex payment integrations.