x402-spring-boot-starter
Protect your APIs with pay-per-call logic using a single Spring Boot annotation.
In the AI payments ecosystem
x402-spring-boot-starter is an early-stage Java project in the AI payments / x402 ecosystem, focused on cryptocurrency, java, spring, spring-boot. It currently has 11 GitHub stars and 0 forks, and sits alongside related tools like x402-examples, x402-java-client, x402-facilitator, x402-commons, sample-agentcore-cloudfront-x402-payments, x402-deploy.
Website • Quick start • Documentation • Examples • Twitter
Mogami Java server SDK (Spring boot starter)
The Mogami Java Server SDK lets you turn any endpoint into a pay-per-call API using the x402 protocol. With just one annotation, you can require stablecoin payments before granting access to your services - no accounts, no subscriptions, no friction. It handles payment verification, expiration, and signatures seamlessly, so you can focus on your business logic.
Similar projects
Learn x402 through real-world demos of paywalled endpoints and instant payment flows.
Use x402 payments into your apps: fetch requirements, sign, and send transactions.
Run your own payment gateway as a Docker image, or use ours online to verify and settle x402 transactions instantly.
Shared foundation for building x402-compatible systems
AWS payment demo of x402 using Bedrock AgentCore, Strands SDK, and CloudFront.
Turn any API or MCP server into a paid service with x402
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