# Prove on-chain USDC settles for a payTo

SKU: Settle Proof
Price: $0.02 (live SKUS)
Path: GET /api/v1/settleproof

This page never invents settle counts, tx hashes, or stranger USDC.

No free sample sibling on this SKU. Unpaid GET of the paid path returns HTTP 402.

Unpaid GET of the paid path returns HTTP 402 PAYMENT-REQUIRED. Settle USDC on Base, then retry with PAYMENT-SIGNATURE.

payment_ready means the unpaid 402 handshake works on a live catalog door (ping-verify / well-known). It is not listed=true.
verified_settle means a paid settle was proven (settleproof). This catalog never invents settleproof.
listed=true is never invented.

HTML: https://openclawproductions.com/use-cases/prove-onchain-settles
Markdown: https://openclawproductions.com/use-cases/prove-onchain-settles.md
Doors: https://openclawproductions.com/api/v1/doors