feishu-card (schema 2.0)

Key Rules

All cards use schema 2.0, elements go inside body.elements[], not top-level elements[]
Sending a card must use --as bot, --msg-type interactive, and --content with a JSON string
Mentioning people inside a card uses <at id="ou_xxx">Name</at> (not <at user_id>)
JSON 2.0 buttons no longer have an action container; buttons go directly into body.elements, interaction uses the behaviors array
First send a "thinking" card to get a message_id, then PATCH update it in place after Claude responds, to avoid spamming the chat
The note tag is no longer supported in schema 2.0 (error 200861); for notes, use div + lark_md (with <font color=grey>Note text</font>)
Building card JSON must use Python heredoc or write to a file; avoid $(python3 -c "...") — bash will throw syntax errors when the content contains backticks or special characters

Top-Level Structure Complete Fields

{
  "schema": "2.0",
  "config": {
    "streaming_mode": false,
    "enable_forward": true,
    "update_multi": true,
    "width_mode": "default"
  },
  "card_link": {
    "url": "https://...",
    "pc_url": "https://...",
    "ios_url": "https://...",
    "android_url": "https://..."
  },
  "header": { "...": "..." },
  "body": {
    "direction": "vertical",
    "padding": "0px",
    "elements": []
  }
}

Config Fields

Field	Type	Default	Description
`streaming_mode`	bool	false	Streaming update state (for "thinking" placeholder)
`enable_forward`	bool	true	Allow forwarding the card
`update_multi`	bool	false	JSON 2.0 shared card mode (set true for multi-user sync update)
`width_mode`	string	default (600px)	`compact` (400px) / `fill` (full-width responsive) / `default`

Header Fields

{
  "header": {
    "title":    {"tag": "plain_text", "content": "Title"},
    "subtitle": {"tag": "plain_text", "content": "Subtitle (optional)"},
    "template": "blue",
    "icon": {
      "tag": "standard_icon",
      "token": "robot-outlined",
      "color": "blue"
    },
    "text_tag_list": [
      {"tag": "text_tag", "text": {"tag": "plain_text", "content": "New"}, "color": "blue"}
    ]
  }
}

template colors: blue / wathet / turquoise / green / yellow / orange / red / carmine / violet / purple / indigo / grey

Feishu Color Enumeration Quick Reference

All fields that support color enumeration (background_color, text_color, icon color, etc.) use the following format. Do not use only the base color name (e.g., using "blue" alone in some components will cause an error); include the level suffix:

Color Series	Light (recommended for backgrounds)	Medium	Dark (recommended for text)
Blue	`blue-50` `blue-100` `blue-200`	`blue-300`～`blue-500`	`blue-600`～`blue-900`
Wathet	`wathet-50` `wathet-100` `wathet-200`	`wathet-300`～`wathet-500`	`wathet-600`～`wathet-900`
Turquoise	`turquoise-50` `turquoise-100`	`turquoise-300`～`turquoise-500`	`turquoise-600`～`turquoise-900`
Green	`green-50` `green-100` `green-200`	`green-300`～`green-500`	`green-600`～`green-900`
Lime	`lime-50` `lime-100`	`lime-300`～`lime-500`	`lime-600`～`lime-900`
Yellow	`yellow-50` `yellow-100`	`yellow-300`～`yellow-500`	`yellow-600`～`yellow-900`
Orange	`orange-50` `orange-100`	`orange-300`～`orange-500`	`orange-600`～`orange-900`
Red	`red-50` `red-100`	`red-300`～`red-500`	`red-600`～`red-900`
Carmine	`carmine-50` `carmine-100`	`carmine-300`～`carmine-500`	`carmine-600`～`carmine-900`
Purple	`purple-50` `purple-100`	`purple-300`～`purple-500`	`purple-600`～`purple-900`
Violet	`violet-50` `violet-100`	`violet-300`～`violet-500`	`violet-600`～`violet-900`
Indigo	`indigo-50` `indigo-100`	`indigo-300`～`indigo-500`	`indigo-600`～`indigo-900`
Grey	`grey-00` `grey-50` `grey-100`	`grey-300`～`grey-500`	`grey-600`～`grey-1000`
White	`white` `bg-white`	—	—

Recommended Light Background Colors (for collapsible_panel, column backgrounds, etc.):

blue-100    wathet-100    green-100    yellow-100
orange-100  red-100       purple-100   carmine-100
turquoise-100    violet-100    indigo-100    lime-100

Component Quick Reference

tag	Type	Description
`div`	Content	Text block (plain_text / lark_md), supports prefix icon
`markdown`	Content	Plain Markdown text (does not support @; use div+lark_md for @)
`img`	Content	Image
`table`	Content	Data table (max 5 per card, cannot be nested)
`hr`	Layout	Divider line
`note`	Layout	❌ Deprecated in schema 2.0, use `div + lark_md` + `<font color=grey>` instead
`column_set`	Container	Multi-column layout
`collapsible_panel`	Container	Collapsible panel
`button`	Interactive	Button (JSON 2.0: place directly in elements, no action container)
`input`	Interactive	Text input (must be used within a form)
`select_static`	Interactive	Static dropdown selector

div (Text Block)

{
  "tag": "div",
  "text": {
    "tag": "lark_md",
    "content": "**Bold** _Italic_ `Code`",
    "text_size": "normal",
    "text_color": "default",
    "text_align": "left",
    "lines": 3
  },
  "icon": {"tag": "standard_icon", "token": "robot-outlined", "color": "blue"}
}

text.tag: plain_text (plain text) or lark_md (Markdown + @) text_size: heading-0 / heading / normal (default) / notation / x-small text_align: left / center / right

img (Image)

{
  "tag": "img",
  "img_key": "img_xxx",
  "alt": {"tag": "plain_text", "content": "Hover description"},
  "title": {"tag": "plain_text", "content": "Image title"},
  "scale_type": "crop_center",
  "size": "medium",
  "corner_radius": "4px",
  "preview": true
}

scale_type: crop_center / crop_top / fit_horizontal size: stretch (full width) / large / medium / small / tiny / "300px 200px" (custom)

JSON 2.0 does not support stretch_without_padding; for full-width effect use negative margin

column_set (Multi-Column Layout)

{
  "tag": "column_set",
  "flex_mode": "bisect",
  "horizontal_spacing": "medium",
  "background_style": "default",
  "columns": [
    {
      "tag": "column",
      "width": "weighted",
      "weight": 1,
      "vertical_align": "top",
      "elements": [{"tag": "div", "text": {"tag": "plain_text", "content": "Left column"}}]
    },
    {
      "tag": "column",
      "width": "weighted",
      "weight": 1,
      "elements": [{"tag": "div", "text": {"tag": "plain_text", "content": "Right column"}}]
    }
  ]
}

flex_mode: none (proportional compression) / stretch (vertical stacking on narrow screens) / flow (auto wrap) / bisect (two equal columns) / trisect (three equal columns) horizontal_spacing: small (4px) / medium (8px) / large (12px) / extra_large (16px) column.width: auto / weighted (with weight 1-5) / "200px"

Max nesting depth is 5; form containers and tables cannot be placed inside columns

collapsible_panel (Collapsible Panel)

{
  "tag": "collapsible_panel",
  "expanded": false,
  "background_color": "default",
  "header": {
    "title": {"tag": "plain_text", "content": "Click to expand"},
    "background_color": "grey",
    "icon": {"tag": "standard_icon", "token": "arrow-down-outlined"},
    "icon_expanded_angle": -180
  },
  "elements": [
    {"tag": "div", "text": {"tag": "plain_text", "content": "Collapsed content"}}
  ]
}

table (Data Table)

{
  "tag": "table",
  "page_size": 5,
  "row_height": "low",
  "freeze_first_column": false,
  "header_style": {
    "text_align": "left",
    "text_size": "normal",
    "background_style": "grey",
    "bold": true
  },
  "columns": [
    {"name": "name", "display_name": "Name", "data_type": "text", "width": "auto"},
    {"name": "status", "display_name": "Status", "data_type": "options", "width": "120px"},
    {"name": "count", "display_name": "Count", "data_type": "number",
     "format": {"precision": 0, "separator": true}},
    {"name": "ts", "display_name": "Time", "data_type": "date",
     "format": "YYYY/MM/DD HH:mm"}
  ],
  "rows": [
    {"name": "John Doe", "status": [{"name": "In Progress", "color": "blue"}], "count": 42, "ts": 1700000000000}
  ]
}

data_type: text / lark_md / markdown / options / number / persons / date row_height: low / middle / high / auto / "48px" (32-124px)

Max 5 tables per card, cannot be nested

button (JSON 2.0)

{
  "tag": "button",
  "text": {"tag": "plain_text", "content": "Confirm"},
  "type": "primary",
  "size": "medium",
  "width": "default",
  "disabled": false,
  "behaviors": [
    {
      "type": "callback",
      "value": {"action": "confirm", "data": "payload"}
    }
  ],
  "confirm": {
    "title": {"tag": "plain_text", "content": "Confirmation"},
    "text":  {"tag": "plain_text", "content": "Confirm this action?"}
  }
}

type: default (grey) / primary (blue) / danger (red) / text / primary_text / danger_text / primary_filled / danger_filled / laser size: tiny / small / medium / large behaviors[].type: callback (triggers an event) / open_url (navigate to a link)

JSON 2.0 change: No more action container; buttons go directly into body.elements or column.elements; interaction uses behaviors instead of the old value

input (Text Input)

{
  "tag": "input",
  "name": "field_name",
  "placeholder": {"tag": "plain_text", "content": "Please enter..."},
  "default_value": "",
  "input_type": "text",
  "max_length": 200,
  "required": false,
  "disabled": false,
  "label": {"tag": "plain_text", "content": "Label"},
  "label_position": "top",
  "width": "fill"
}

input_type: text / multiline_text / password User submission triggers a card.action.trigger event, which contains input_value

@mention Syntax

Message Type	@person syntax	@all
Card `interactive` lark_md	`<at id="ou_xxx">Name</at>`	`<at id="all">Everyone</at>`
Text `text` / `post`	`<at user_id="ou_xxx">Name</at>`	`<at user_id="all"></at>`

Verified working element structure for @mention inside cards (use div + lark_md, not a bare markdown tag):

{
  "tag": "div",
  "text": {
    "tag": "lark_md",
    "content": "<at id=\"ou_xxx\">Name</at> message content"
  }
}

Markdown Syntax Quick Reference (inside lark_md / markdown tag)

Text Styles

**Bold**    *Italic*    ~~Strikethrough~~    `Inline Code`

Colored Text

<font color=red>Red</font>
<font color=green>Green</font>
<font color=grey>Grey</font>
<font color=blue>Blue</font>
<font color=orange>Orange</font>
<font color=wathet>Wathet</font>
<font color=purple>Purple</font>

Full colors: red / green / grey / blue / orange / wathet / purple / yellow / turquoise / indigo / violet / lime

Tags / Number Badges

<text_tag color='red'>Tag</text_tag>
<number_tag>99</number_tag>

Localized Time

<local_datetime millisecond='1700000000000' format_type='date_num'></local_datetime>

format_type: date_num (2023/11/15) / date_full (November 15, 2023) / datetime (includes hour, minute, second)

Headings / Lists / Blockquotes

# H1  ## H2  ### H3  #### H4  ##### H5  ###### H6

- Unordered   1. Ordered    > Blockquote

Code Blocks

```python
print("hello")
```

Images (inside Markdown)

![Hover text](img_xxx)

Tables (max 5 rows of data)

| Col1 | Col2 |
|------|------|
| A    | B    |

Links

[Text](https://url)    [Phone](tel://13800138000)

Dividers / Line Breaks

---   or   <hr>
<br/>  or   two carriage returns (paragraph break)

Emoji

⚠️ Strict Rules

Only use keys from the official list; unreleased keys (e.g., :WAITING:, :PROCESSING:) will be rendered as plain text and are forbidden.
Key case must exactly match the official list (e.g., Fire not FIRE, Trophy not TROPHY, Shrug not SHRUG).
<text_tag> does not render :KEY:; use Unicode emoji instead (e.g., ✅).
:KEY: only works in lark_md regular text areas.

Release Notification Common

:DONE:        :OK:           :THUMBSUP:     :APPLAUSE:
:PARTY:       :FIREWORKS:    :MUSCLE:       :THANKS:
:Trophy:      :Fire:         :Hundred:      :CheckMark:

Work & Status

:LGTM:        :OnIt:         :OneSecond:    :Get:
:ERROR:        :CrossMark:    :Pin:          :Alarm:
:Loudspeaker: :OKR:          :Yes:          :No:
:HEADSET:     :Typing:       :MeMeMe:       :Sigh:
:Lemon:       :AWESOMEN:     :VRHeadset:    :YouAreTheBest:
:SALUTE:      :HIGHFIVE:     :FISTBUMP:     :FINGERHEART:
:WAVE:        :ThumbsDown:

Expressions - Positive

:SMILE:       :LAUGH:        :LOL:          :LOVE:
:WINK:        :PROUD:        :WITTY:        :JOYFUL:
:WOW:         :BLUSH:        :HUG:          :BeamingFace:
:Delighted:   :ThanksFace:   :SaluteFace:   :PRAISE:
:CLAP:        :JIAYI:        :FACEPALM:     :YEAH:

Expressions - Negative / Funny

:CRY:         :SOB:          :ANGRY:        :SHOCKED:
:Shrug:       :THINKING:     :DIZZY:        :SLEEP:
:YAWN:        :SICK:         :SWEAT:        :EMBARRASSED:
:SKULL:       :RAINBOWPUKE:  :PUKE:         :ClownFace:
:ColdSweat:   :SMUG:         :SILENT:       :TERROR:
:PETRIFIED:   :BETRAYED:     :WRONGED:

Celebrations & Holidays

:PARTY:       :FIREWORKS:    :REDPACKET:    :FORTUNE:
:FIRECRACKER: :XmasTree:     :XmasHat:      :Snowman:
:Pumpkin:     :Mooncake:     :MoonRabbit:   :Partying:
:StickyRiceBalls:            :JubilantRabbit:  :LUCK:
:FullMoonFace: :GoGoGo:      :HappyDragon:

Items & Food

:ROSE:        :HEART:        :BEER:         :CAKE:
:GIFT:        :BOMB:         :Fire:         :Trophy:
:Coffee:      :BubbleTea:    :Drumstick:    :Pepper:
:CUCUMBER:    :CANDIEDHAWS:  :Soccer:       :Basketball:
:Music:       :CLEAVER:      :EatingFood:   :LIPS:

Status Indicators (do not use frequently, only for status scenarios)

:GeneralDoNotDisturb:        :GeneralInMeetingBusy:
:StatusReading:              :GeneralWorkFromHome:
:GeneralBusinessTrip:        :StatusInFlight:
:GeneralSun:                 :GeneralMoonRest:
:StatusFlashOfInspiration:   :Status_PrivateMessage:
:GeneralTravellingCar:       :StatusBus:

Unicode Emoji (for titles, inside text_tag, header subtitle)

🎉 ✅ ❌ ⚠️ 🚀 📦 💬 ⏳ 🔔 📝 🛠️ 🔍 👋 🎯 💡 🌟
👥 📅 🤖 🏆 🔥 💯 📣 🎁 ☕ 🍺

Recommended style: Use Unicode emoji in titles for visual enhancement; use Feishu-specific :DONE:, :LGTM:, etc. for status/feedback.

Sending / Replying / Updating

Send to a Group (New Message)

CARD=$(python3 -c "
import json
card = {
  'schema': '2.0',
  'header': {'title': {'tag': 'plain_text', 'content': 'Title'}, 'template': 'blue'},
  'body': {'elements': [{'tag': 'markdown', 'content': 'Content'}]}
}
print(json.dumps(card))
")
lark-cli im +messages-send \
  --chat-id oc_xxx \
  --msg-type interactive \
  --content "$CARD" \
  --as bot

Reply to a Specific Message (Get message_id for future updates)

MSG_ID=$(lark-cli im +messages-reply \
  --message-id om_xxx \
  --msg-type interactive \
  --content "$CARD" \
  --as bot \
  --jq '.data.message_id')

Reply in a Thread (Doesn't appear in the main chat flow)

lark-cli im +messages-reply \
  --message-id om_xxx \
  --msg-type interactive \
  --content "$CARD" \
  --reply-in-thread \
  --as bot

Prevent Duplicate Sending (Same key only sends once within 1 hour)

lark-cli im +messages-send \
  --chat-id oc_xxx \
  --msg-type interactive \
  --content "$CARD" \
  --idempotency-key "deploy-654.0-notify" \
  --as bot

Update Card In Place (PATCH)

PAYLOAD=$(jq -n --argjson card "$CARD" '{"msg_type":"interactive","content":($card|tojson)}')
lark-cli api PATCH "/open-apis/im/v1/messages/${MSG_ID}" \
  --data "$PAYLOAD" \
  --as bot

Card Templates

Thinking (Streaming state, send a placeholder first)

make_thinking_card() {
  local name="$1" question="$2"
  jq -n --arg name "$name" --arg q "$question"

...

[truncated for translation]

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