printr-agent-payments
Use when building a Solana paywall — charging users for agent actions with on-chain memo-match invoice verification. Generates cryptographically-random memos, builds SOL or USDC transfer transactions for client signing, and verifies payments on-chain by scanning the treasury wallet's signature history. Platform-agnostic — works for any Solana SPL mint and any Solana wallet adapter. Pairs with `printr-swap` and `printr-tokenized-agent` for a full agent-revenue + buyback-and-burn loop on Printr POB tokens.