Paid x402 capability check for this GPT-5.5 gateway. GET version for agents, crawlers, and wallets that prefer a simple no-body settlement proof. This endpoint settles a small x402 payment and returns service metadata without calling the upstream model.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.001000 USDC | 0x1f01...9a2f |