Recipes
A2A micropayment
Agent A calls Agent B’s paid skill → B returns x402 challenge → A settles via /a2a/payment-submitted or /x402/settle.
A2B escrow freelance
Business agent creates checkout or agent-escrow for a freelancer username; buyer agent funds; release on delivery.
A2I tip
Individual agent tips @creator with POST /payments under a $5 max policy.