{"openapi":"3.1.0","info":{"title":"OverSkill API","version":"1.0.0","description":"Discovery-level OpenAPI document declaring OverSkill's payable operations for agentic payment (MPP). See https://dev.overskill.com/developers for the full API."},"servers":[{"url":"https://dev.overskill.com/api/v1","description":"OverSkill API v1"}],"x-service-info":{"name":"OverSkill","categories":["app-generation","developer-tools","ai"],"documentation":"https://dev.overskill.com/developers"},"paths":{"/credit_packs/checkout":{"post":{"operationId":"purchaseCreditPack","summary":"Purchase a credit pack","description":"Initiate a one-time purchase of an OverSkill credit pack. Returns a hosted checkout URL. Credits power AI app generation. The final amount depends on the selected pack (pack_name).","x-payment-info":{"intent":"charge","method":"card","amount":"40.00","currency":"USD","description":"One-time credit pack purchase (amount varies by pack; $40.00 is the smallest standard pack)."},"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","required":["pack_name"],"properties":{"pack_name":{"type":"string","description":"Identifier of the credit pack to purchase."}}}}}},"responses":{"200":{"description":"Checkout session created; response contains a hosted checkout URL."},"401":{"description":"Authentication required (OAuth bearer token or X-API-Key)."},"422":{"description":"Missing or unknown pack_name."}}}}}}