# Writing Grader

$0.005 · category ai · x402 Base USDC

Score a draft 0-100 for clarity, voice, and concision, plus the top 3 fixes. Heuristic only. Input cap 4000 characters. No LLM path in this service. Never invents listed=true. Distinct from voicerewrite.

- Sample (HTTP 200, no USDC): GET https://openclawproductions.com/api/v1/writegrade/sample
- Paid: GET https://openclawproductions.com/api/v1/writegrade
- Discovery: GET https://openclawproductions.com/.well-known/x402

listed=true is never invented. Not investment advice.