{"summary":"本接口用于查询阿里云 ECS提供的实例规格族列表。通过该接口获取不同系列的实例规格族信息，从而更好地帮助您了解可用的实例规格资源，为您选择合适的实例规格创建 ECS 实例提供参考。","methods":["post","get"],"schemes":["http","https"],"security":[{"AK":[]}],"operationType":"read","deprecated":false,"systemTags":{"operationType":"get","riskType":"none","chargeType":"free","abilityTreeCode":"28958","abilityTreeNodes":["FEATUREecsILZKWZ"],"tenantRelevance":"publicInformation"},"parameters":[{"name":"RegionId","in":"query","schema":{"description":"地域ID。您可以调用[DescribeRegions](~~25609~~)查看最新的阿里云地域列表。","type":"string","required":true,"example":"cn-hangzhou"}},{"name":"Generation","in":"query","schema":{"description":"实例规格族的系列信息。更多信息，请参见[实例规格族](~~25378~~)。取值范围：\n\n- ecs-1：系列I实例规格，上线时间较早，性价比高。\n\n- ecs-2：系列II实例规格族，第二次软硬件升级，实例性能增强。\n\n- ecs-3：系列III实例规格族，实例性能优良，能承载不同业务需求。\n\n- ecs-4：系列IV实例规格族，包含常见的企业级实例规格（g5、c5、r5等）、弹性裸金属服务器实例规格（ebmc5s、ebmg5s、ebmr5s等）、突发性能实例规格（t5）等，具有强大的场景适应性，能承载海量热门业务需求，延迟更低。\n\n- ecs-5：系列V实例规格族，包含常见的企业级实例规格（g6、c6、r6等）、弹性裸金属服务器实例规格（ebmg6、ebmg6e、ebmc6等）、存储增强型实例规格（g6e）等，响应更快，性能更优越。\n\n- ecs-6：系列VI实例规格族，包含企业级实例规格（hfc7、hfg7、hfr7等）、弹性裸金属服务器实例规格（ebmhfg7等），该系列实例规格族正在邀测中。","type":"string","required":false,"example":"ecs-5"}}],"responses":{"200":{"schema":{"description":"请求ID。","type":"object","properties":{"RequestId":{"description":"请求ID。","type":"string","example":"473469C7-AA6F-4DC5-B3DB-A3DC0DE3****"},"InstanceTypeFamilies":{"type":"object","itemNode":true,"properties":{"InstanceTypeFamily":{"description":"由实例规格族InstanceTypeFamily组成的集合。","type":"array","items":{"description":"实例规格族所属代数。","type":"object","properties":{"Generation":{"description":"实例规格族所属代数。","type":"string","example":"ecs-5"},"InstanceTypeFamilyId":{"description":"实例规格族ID。","type":"string","example":"ecs.g6"}}}}},"description":""}}}}},"errorCodes":{"404":[{"errorCode":"InvalidRegionId.NotFound","errorMessage":"The RegionId provided does not exist in our records.","description":"地域信息错误"}]},"title":"查询实例规格族列表","requestParamsDescription":" ","responseParamsDescription":" ","extraInfo":" ","changeSet":[],"flowControl":{"flowControlList":[{"threshold":"1000","countWindow":60,"regionId":"*","api":"DescribeInstanceTypeFamilies"}],"product":{"code":"ecs","title":"云服务器 ECS"}},"ramActions":[],"responseDemo":"[{\"type\":\"json\",\"example\":\"{\\n  \\\"RequestId\\\": \\\"473469C7-AA6F-4DC5-B3DB-A3DC0DE3****\\\",\\n  \\\"InstanceTypeFamilies\\\": {\\n    \\\"InstanceTypeFamily\\\": [\\n      {\\n        \\\"Generation\\\": \\\"ecs-5\\\",\\n        \\\"InstanceTypeFamilyId\\\": \\\"ecs.g6\\\"\\n      }\\n    ]\\n  }\\n}\",\"errorExample\":\"\"},{\"type\":\"xml\",\"example\":\"<DescribeInstanceTypeFamiliesResponse>\\n    <InstanceTypeFamilies>\\n        <InstanceTypeFamily>\\n            <InstanceTypeFamilyId>ecs.g6</InstanceTypeFamilyId>\\n            <Generation>ecs-5</Generation>\\n        </InstanceTypeFamily>\\n        <InstanceTypeFamily>\\n            <InstanceTypeFamilyId>ecs.ebmg6</InstanceTypeFamilyId>\\n            <Generation>ecs-5</Generation>\\n        </InstanceTypeFamily>\\n        <InstanceTypeFamily>\\n            <InstanceTypeFamilyId>ecs.ebmg6e</InstanceTypeFamilyId>\\n            <Generation>ecs-5</Generation>\\n        </InstanceTypeFamily>\\n        <InstanceTypeFamily>\\n            <InstanceTypeFamilyId>ecs.g6e</InstanceTypeFamilyId>\\n            <Generation>ecs-5</Generation>\\n        </InstanceTypeFamily>\\n        <InstanceTypeFamily>\\n            <InstanceTypeFamilyId>ecs.c6</InstanceTypeFamilyId>\\n            <Generation>ecs-5</Generation>\\n        </InstanceTypeFamily>\\n        <InstanceTypeFamily>\\n            <InstanceTypeFamilyId>ecs.r6</InstanceTypeFamilyId>\\n            <Generation>ecs-5</Generation>\\n        </InstanceTypeFamily>\\n        <InstanceTypeFamily>\\n            <InstanceTypeFamilyId>ecs.t6</InstanceTypeFamilyId>\\n            <Generation>ecs-5</Generation>\\n        </InstanceTypeFamily>\\n        <InstanceTypeFamily>\\n            <InstanceTypeFamilyId>ecs.hfc6</InstanceTypeFamilyId>\\n            <Generation>ecs-5</Generation>\\n        </InstanceTypeFamily>\\n        <InstanceTypeFamily>\\n            <InstanceTypeFamilyId>ecs.hfg6</InstanceTypeFamilyId>\\n            <Generation>ecs-5</Generation>\\n        </InstanceTypeFamily>\\n        <InstanceTypeFamily>\\n            <InstanceTypeFamilyId>ecs.hfr6</InstanceTypeFamilyId>\\n            <Generation>ecs-5</Generation>\\n        </InstanceTypeFamily>\\n        <InstanceTypeFamily>\\n            <InstanceTypeFamilyId>ecs.ebmc6</InstanceTypeFamilyId>\\n            <Generation>ecs-5</Generation>\\n        </InstanceTypeFamily>\\n        <InstanceTypeFamily>\\n            <InstanceTypeFamilyId>ecs.ebmr6</InstanceTypeFamilyId>\\n            <Generation>ecs-5</Generation>\\n        </InstanceTypeFamily>\\n    </InstanceTypeFamilies>\\n    <RequestId>A66D039A-EC35-4130-B0D1-E9873C07****</RequestId>\\n</DescribeInstanceTypeFamiliesResponse>\",\"errorExample\":\"\"}]","components":{"schemas":{}}}