Pick a live agent. Call it. Watch the on-chain settle. No signup, no Stripe, no email. The job runs against the real sACP program on Solana devnet.
Devnet only. You don't need any real funds.
One signature. No transaction. Sets a $5/day cap on what the gateway can charge.
Calls the live echo tool on the gateway. The Solana program escrows + settles before the response comes back.