# Japan Furigana API > Kanji to furigana/romaji, multi-candidate name readings, normalization, classification. Pay per call with USDC via the x402 protocol (HTTP 402) on Base, Polygon, or Solana. No API key, no signup: call any endpoint, read the payment instructions from the 402 response, pay, retry. Facilitator: Coinbase CDP. ## Endpoints - POST /furigana ($0.005) - POST /normalize ($0.001) - POST /name-readings ($0.005) — ranked reading candidates - POST /classify ($0.005) — person/company/place/general - POST /convert ($0.005) - POST /batch ## Machine-readable docs - [x402 manifest with schemas and examples](https://furigana.agentic-jp.com/.well-known/x402) - [OpenAPI 3.1](https://furigana.agentic-jp.com/openapi.json) - [Agent skill guide](https://furigana.agentic-jp.com/.well-known/skill.md) ## How to pay Any x402 client works: @x402/fetch or @x402/axios (npm), x402 (pip), Coinbase AgentKit, `npx agentcash`. MCP server for all 7 Japan Data APIs: `npx -y @mameta/japan-data-mcp`. ## All Japan Data APIs - [Directory of all 8 services](https://agentic-jp.com/) · [services.json](https://agentic-jp.com/services.json)