sendgridapijava，是不是有些API需要分用户，分用户需要付费版，对吧？
sendgrid api java, do some APIs need to have sub-users, and sub-users need a paid version, right?
是不是有些API需要分用户，分用户需要付费版，对吧？ "sg.addRequestHeader("on-behalf-of", .."程序中有这样的代码一定要用收费版吗？
此处为 Twilio SendGrid 开发人员布道师。
on-behalf-of SubUser header takes a SubUser username as an argument, so yes, it requires your account to have SubUsers and yes, you need to have a Pro Email API or an Advanced Marketing Campaigns subscription 使用 SubUsers。
是不是有些API需要分用户，分用户需要付费版，对吧？ "sg.addRequestHeader("on-behalf-of", .."程序中有这样的代码一定要用收费版吗？
此处为 Twilio SendGrid 开发人员布道师。
on-behalf-of SubUser header takes a SubUser username as an argument, so yes, it requires your account to have SubUsers and yes, you need to have a Pro Email API or an Advanced Marketing Campaigns subscription 使用 SubUsers。