[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["没有我需要的信息","missingTheInformationINeed","thumb-down"],["太复杂/步骤太多","tooComplicatedTooManySteps","thumb-down"],["内容需要更新","outOfDate","thumb-down"],["翻译问题","translationIssue","thumb-down"],["示例/代码问题","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC):2025-07-25。"],[[["Merchants can connect their existing Google Merchant Center account to streamline onboarding and leverage historical data."],["Two scenarios are outlined for merchants with single or multiple existing accounts, providing visual guidance for account connection."],["Technical guidance includes identifying the Merchant Center account, storing data, linking accounts, and understanding implications for existing data."],["Utilizing the Content API, developers can facilitate account connections and manage merchant accounts efficiently."],["Merchants should be informed that connecting an existing account may overwrite existing product data and settings."]]],["Merchants can utilize their existing Merchant Center accounts, which may expedite onboarding due to pre-existing data and policy approvals. To enable this, use the `account.authinfo` API endpoint to identify the merchant's associated account and store the sub-account details. Linking the merchant's account to your MCA is done via the `account.link` API. Note that these accounts won't be sub-accounts of your MCA. Merchants should be informed that connecting an existing account will overwrite existing data.\n"]]