| 40001 | invalid credential | Invalid credential |
| 40002 | invalid grant_type | Invalid grant_type |
| 40003 | invalid openid | Invalid OpenID |
| 40004 | invalid media type | Invalid media file type |
| 40007 | invalid media_id | Invalid media_id |
| 40008 | invalid message type | Invalid message_type |
| 40009 | invalid image size | Invalid image size |
| 40010 | invalid voice size | Invalid voice file size |
| 40011 | invalid video size | Invalid video size |
| 40012 | invalid thumb size | Invalid thumbnail size |
| 40013 | invalid appid | Invalid AppID |
| 40014 | invalid access_token | Invalid access_token |
| 40015 | invalid menu type | Invalid menu type |
| 40016 | invalid button size | Invalid number of menu buttons |
| 40017 | invalid button type | Invalid button type |
| 40018 | invalid button name size | Invalid button name length |
| 40019 | invalid button key size | Invalid button KEY length |
| 40020 | invalid button url size | Invalid URL length |
| 40023 | invalid sub button size | Invalid number of sub-menu buttons |
| 40024 | invalid sub button type | Invalid sub-menu type |
| 40025 | invalid sub button name size | Invalid sub-menu button name length |
| 40026 | invalid sub button key size | Invalid sub-menu button KEY length |
| 40027 | invalid sub button url size | Invalid sub-menu button URL length |
| 40029 | invalid code | Invalid or expired code |
| 40030 | invalid refresh_token | Invalid refresh_token |
| 40036 | invalid template_id size | Invalid template_id length |
| 40037 | invalid template_id | Invalid template_id |
| 40039 | invalid url size | Invalid URL length |
| 40048 | invalid url domain | Invalid URL/domain name |
| 40054 | invalid sub button url domain | Invalid sub-menu button URL/domain name |
| 40055 | invalid button url domain | Invalid sub-menu button URL/domain name |
| 40066 | invalid url | Invalid URL |
| 41001 | access_token missing | Parameter access_token is missing |
| 41002 | appid missing | Parameter appid is missing |
| 41003 | refresh_token missing | Parameter refresh_token is missing |
| 41004 | appsecret missing | Parameter secret is missing |
| 41005 | media data missing | Binary media file is missing |
| 41006 | media_id missing | Parameter media_id is missing |
| 41007 | sub_menu data missing | Sub-menu data is missing |
| 41008 | missing code | Parameter code is missing |
| 41009 | missing openid | Parameter openid is missing |
| 41010 | missing url | Parameter url is missing |
| 42001 | access_token expired | access_token expired |
| 42002 | refresh_token expired | refresh_token expired |
| 42003 | code expired | code expired |
| 43001 | require GET method | GET method is required |
| 43002 | require POST method | POST method is required |
| 43003 | require https | HTTPS is required |
| 43004 | require subscribe | Subscription is required |
| 44001 | empty media data | Empty binary data |
| 44002 | empty post data | Empty POST data |
| 44003 | empty news data | Empty news data |
| 44004 | empty content | Empty content |
| 44005 | empty list size | Empty list |
| 45001 | media size out of limit | The length of binary media file exceeds the limit |
| 45002 | content size out of limit | The length of parameter content exceeds the limit |
| 45003 | title size out of limit | The length of parameter title exceeds the limit |
| 45004 | description size out of limit | The length of parameter description exceeds the limit |
| 45005 | url size out of limit | The length of parameter url exceeds the limit |
| 45006 | picurl size out of limit | The length of parameter picurl exceeds the limit |
| 45007 | playtime out of limit | Playback duration exceeds the limit (60s for voice files) |
| 45008 | article size out of limit | The length of parameter article exceeds the limit |
| 45009 | api freq out of limit | API call frequency exceeds the limit |
| 45010 | create menu limit | Created menu is limited |
| 45011 | api limit | Rate Limit |
| 45012 | template size out of limit | Template size exceeds the limit |
| 45016 | can't modify sys group | Default group cannot be modified |
| 45017 | can't set group name too long sys group | Group name exceeds the limit |
| 45018 | too many group now, no need to add new | Number of groups exceeds the limit |
| 50001 | api unauthorized | API is not authorized |