{"success":true,"packages":[{"id":"starter","calls":50,"priceUsd":0.1,"priceUsdc":"100000","perCallUsd":"0.002000","expiresIn":"7 days"},{"id":"standard","calls":250,"priceUsd":0.4,"priceUsdc":"400000","perCallUsd":"0.001600","expiresIn":"7 days"},{"id":"pro","calls":1000,"priceUsd":1,"priceUsdc":"1000000","perCallUsd":"0.001000","expiresIn":"7 days"}],"payTo":"0xd5f8481D8F25d3966d2010DBf9B47fFbdf745A9E","network":"base","howToActivate":{"step1":"Pay the package priceUsdc to 0xd5f8481D8F25d3966d2010DBf9B47fFbdf745A9E on base (USDC)","step2":"POST /v1/sessions/activate with { packageId, txHash, walletOrCustomer }","step3":"Server verifies tx on-chain (receipt + USDC Transfer log + amount + recipient)","step4":"On success: receive session token — include as X-Session-Token header"}}