> ## Documentation Index > Fetch the complete documentation index at: https://docs.apiyi.com/llms.txt > Use this file to discover all available pages before exploring further. # Email Registration Support List FAQ Published > APIYI officially clarifies which email suffixes are accepted for sign-up: Gmail / Outlook / Hotmail / Foxmail and global university addresses (.edu / .edu.cn) are all supported; QQ / 126 / 163 are currently not supported; corporate custom-domain emails are off by default and require contacting support for whitelist approval. **2026/5/18 21:05 (UTC+8)** ยท Docs Update ๐Ÿ“ง **Email Registration Support List FAQ Published** โ€” New FAQ at [/en/faq/email-registration](/en/faq/email-registration): official clarification on which email suffixes are accepted for sign-up: **Gmail / Outlook / Hotmail / Foxmail** + **global university addresses** (`.edu` / `.edu.cn`) all work; **QQ / 126 / 163 are temporarily not supported** (low deliverability impacts verification codes and account notifications). **Corporate custom-domain mailboxes are off by default** โ€” contact us via the customer-service WeChat to have your suffix **reviewed and added to the whitelist** before registering. *** โ† [Back to Live Updates](/en/live) ยท ๐Ÿ“š [Monthly archive](/en/live/archive)