APPD
ProtocolsFacilitatorsGuide
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Facilitators/Mogami
Easyby Mogami Tech

Mogami

The Java-exclusive x402 solution. Spring Boot Starter with single-annotation API protection (@X402Protected). Docker-deployable facilitator with MCP server for AI agent payments. Zero fees, no account or API key required. Published on Maven Central.

Last researched: 2026-03-30

Supported Chains

BaseEthereumPolygonAvalancheSKALESolana

Pricing

Free

No fees, no account, no API key required. Gas sponsored.

Free

SDKs & Libraries

Java

x402-spring-boot-starterx402-java-clientx402-commonsx402-facilitatorx402-mcp-serverx402-examples

Setup Steps

  1. 1
    Add x402-spring-boot-starter dependency from Maven Central
  2. 2
    Annotate your API endpoint with @X402Protected
  3. 3
    Configure the facilitator URL (https://facilitator.mogami.tech)
  4. 4
    Optionally deploy the Docker-based facilitator for self-hosting
  5. 5
    Set up the MCP server for AI agent payment integration

Use Cases

  • •Java/Spring Boot API monetization with x402
  • •Single-annotation payment protection for existing APIs
  • •AI agent payments via MCP server
  • •Gas-sponsored zero-friction payments

Pros & Cons

Pros

  • +Only Java/Spring Boot x402 implementation available
  • +Single @X402Protected annotation for API protection
  • +Zero fees with gas-sponsored transactions
  • +MCP server for AI agent integration
  • +SKALE zero-gas support

Cons

  • -Java-only (no JavaScript, Python, or Rust SDKs)
  • -Smallest community among facilitators
  • -AGPL-3.0 license on facilitator component
  • -V1 protocol only, early versions (0.0.x)

Links

GitHub→Website→Facilitator→MCP Server→
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