Last updated Jun 24, 2025

Action Object

Field NameDescription
id
string		The ID of the action
data
object		Relevant information regarding the action
date
date		When the action occurred
idMemberCreator
string		The ID of the member who caused the action
type
string		The type of the action. See list of Action Types for options.

Example Object Request and Response

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curl https://api.trello.com/1/actions/592f11060f95a3d3d46a987a

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{
  "id": "592f11060f95a3d3d46a987a",
  "idMemberCreator": "5191197f9433cf5507006338",
  "data": {
    "list": {
      "name": "Professional",
      "id": "54a17e9db559f0356ce022e4"
    },
    "board": {
      "shortLink": "BdarzfKF",
      "name": "Life Goals",
      "id": "54a17d76d4a5072e3931736b"
    },
    "card": {
      "shortLink": "gplJv6dx",
      "idShort": 2,
      "name": "Increase revenue by 10%",
      "id": "54a1844d304d9736e54d2546",
      "due": "2017-12-12T17:00:00.000Z"
    },
    "old": {
      "due": "2017-05-01T16:00:00.000Z"
    }
  },
  "type": "updateCard",
  "date": "2017-05-31T18:52:54.933Z",
  "memberCreator": {
    "id": "5191197f9433cf5507006338",
    "avatarHash": "ae0fde383cc2a195c053f1ad42c02022",
    "fullName": "Brian Cervino",
    "initials": "BC",
    "username": "brian"
  },
  "display": {
    "translationKey": "action_changed_a_due_date",
    "entities": {
      "card": {
        "type": "card",
        "due": "2017-12-12T17:00:00.000Z",
        "id": "54a1844d304d9736e54d2546",
        "shortLink": "gplJv6dx",
        "text": "Increase revenue by 10%"
      },
      "date": {
        "type": "date",
        "date": "2017-12-12T17:00:00.000Z"
      },
      "memberCreator": {
        "type": "member",
        "id": "5191197f9433cf5507006338",
        "username": "brian",
        "text": "Brian Cervino"
      }
    }
  }
}

Attachment Object

Field NameDescription
id
string		The ID of the attachment
bytes
integer		The size of the attachment in bytes
date
string		The date the attachment was added
edgeColor
string		For image attachments, the extracted edge color
idMember
string		The ID of the member who added the attachment
isUpload
boolean		Whether the attachment was uploaded
mimeType
string		The mimeType for the attachment
name
string		The name of the attachment
pos
float		The position of the attachment in the attachments list
previews
array		If the attachment is an image, an array of generated previews of the image in various sizes
url
string		The URL to the attachment

Example Object Request and Response

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curl https://api.trello.com/1/cards/bxK53hfo/attachments/602a8501ecff9a3942b922ec

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{
  "id": "602a8501ecff9a3942b922ec",
  "bytes": 61114,
  "date": "2021-02-15T14:28:17.202Z",
  "edgeColor": "#5c5c5c",
  "idMember": "5fa06c67bb60727b6ada0b43",
  "isUpload": true,
  "mimeType": "image/png",
  "name": "Screenshot 2021-02-09 at 16.35.29.png",
  "previews": [
    {
      "id": "602a8501ecff9a3942b922f7",
      "_id": "602a8501ecff9a3942b922f7",
      "scaled": false,
      "url": "https://trello.com/1/cards/5fc7d887b4bc7b1039678af6/attachments/602a8501ecff9a3942b922ec/previews/602a8501ecff9a3942b922f7/download",
      "bytes": 2397,
      "height": 50,
      "width": 70
    },
    {
      "id": "602a8501ecff9a3942b922f8",
      "_id": "602a8501ecff9a3942b922f8",
      "scaled": false,
      "url": "https://trello.com/1/cards/5fc7d887b4bc7b1039678af6/attachments/602a8501ecff9a3942b922ec/previews/602a8501ecff9a3942b922f8/download",
      "bytes": 10977,
      "height": 150,
      "width": 250
    },
    {
      "id": "602a8501ecff9a3942b922f9",
      "_id": "602a8501ecff9a3942b922f9",
      "scaled": true,
      "url": "https://trello.com/1/cards/5fc7d887b4bc7b1039678af6/attachments/602a8501ecff9a3942b922ec/previews/602a8501ecff9a3942b922f9/download",
      "bytes": 10115,
      "height": 145,
      "width": 150
    },
    {
      "id": "602a8501ecff9a3942b922fa",
      "_id": "602a8501ecff9a3942b922fa",
      "scaled": true,
      "url": "https://trello.com/1/cards/5fc7d887b4bc7b1039678af6/attachments/602a8501ecff9a3942b922ec/previews/602a8501ecff9a3942b922fa/download",
      "bytes": 25965,
      "height": 291,
      "width": 300
    },
    {
      "id": "602a8501ecff9a3942b922fb",
      "_id": "602a8501ecff9a3942b922fb",
      "scaled": true,
      "url": "https://trello.com/1/cards/5fc7d887b4bc7b1039678af6/attachments/602a8501ecff9a3942b922ec/previews/602a8501ecff9a3942b922fb/download",
      "bytes": 40886,
      "height": 512,
      "width": 528
    },
    {
      "id": "602a8501ecff9a3942b922fc",
      "_id": "602a8501ecff9a3942b922fc",
      "scaled": true,
      "url": "https://trello.com/1/cards/5fc7d887b4bc7b1039678af6/attachments/602a8501ecff9a3942b922ec/previews/602a8501ecff9a3942b922fc/download",
      "bytes": 61114,
      "height": 512,
      "width": 528
    }
  ],
  "url": "https://trello.com/1/cards/5fc7d887b4bc7b1039678af6/attachments/602a8501ecff9a3942b922ec/download/Screenshot_2021-02-09_at_16.35.29.png",
  "pos": 16384,
  "fileName": "Screenshot_2021-02-09_at_16.35.29.png"
}

Board Object

FieldDescription
id
string		The ID of the board
name
string		The name of the board
desc
string		The description of the board. Deprecated
descData
string or null		If the description includes custom emoji, this will contain the data necessary to display them.
closed
boolean		Boolean whether the board has been closed or not.
idMemberCreator
string		MongoID of the member that created the board.
idOrganization
string		MongoID of the organization to which the board belongs.
pinned
boolean		Boolean whether the board has been pinned or not.
url
string		Persistent URL for the board.
shortUrl
string		URL for the board using only its shortMongoID
prefs
object		Short for "preferences", these are the settings for the board
labelNames
object		Object containing color keys and the label names given for one label of each color on the board. To get a full list of labels on the board see /boards/{id}/labels/.
starred
boolean		Whether the board has been starred by the current request's user.
limits
object		An object containing information on the limits that exist for the board. Read more about at Limits.
memberships
array		Array of objects that represent the relationship of users to this board as memberships.
enterpriseOwned
boolean		Whether the board is owned by an Enterprise or not.

Example Request and Response

An example request and response for a board object and all of its fields would look like:

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curl https://api.trello.com/1/boards/5612e4f91b25c15e873722b8?fields=all

You may also use the board's shortLink in place of the id, like so:

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curl https://api.trello.com/1/boards/HbTEX5hb?fields=all

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{
  "id": "5612e4f91b25c15e873722b8",
  "name": "Employee Manual",
  "desc": "",
  "descData": null,
  "closed": false,
  "idOrganization": "54b58957112602c9a0be7aa3",
  "idMemberCreator": "53baf533e697a982248cd73f",
  "invited": false,
  "limits": {
    "attachments": {
      "perBoard": {
        "status": "ok",
        "disableAt": 34200,
        "warnAt": 32400
      }
    },
    "boards": {
      "totalMembersPerBoard": {
        "status": "ok",
        "disableAt": 1520,
        "warnAt": 1440
      }
    },
    "cards": {
      "openPerBoard": {
        "status": "ok",
        "disableAt": 5000,
        "warnAt": 4500
      },
      "totalPerBoard": {
        "status": "ok",
        "disableAt": 2000000,
        "warnAt": 1800000
      }
    },
    "checklists": {
      "perBoard": {
        "status": "ok",
        "disableAt": 2000000,
        "warnAt": 1800000
      }
    },
    "customFields": {
      "perBoard": {
        "status": "ok",
        "disableAt": 48,
        "warnAt": 45
      }
    },
    "labels": {
      "perBoard": {
        "status": "ok",
        "disableAt": 950,
        "warnAt": 900
      }
    },
    "lists": {
      "openPerBoard": {
        "status": "ok",
        "disableAt": 475,
        "warnAt": 450
      },
      "totalPerBoard": {
        "status": "ok",
        "disableAt": 2850,
        "warnAt": 2700
      }
    }
  },
  "memberships": [
    {
      "id": "5612e4fb1b25c15e8737234b",
      "idMember": "53baf533e697a982248cd73f",
      "memberType": "admin",
      "unconfirmed": false
    },
    {
      "id": "5925e4fc63096260c349cbd4",
      "idMember": "53cd82cd7ed746db278c4f32",
      "memberType": "normal",
      "unconfirmed": false
    }
  ],
  "pinned": false,
  "starred": false,
  "url": "https://trello.com/b/HbTEX5hb/employee-manual",
  "prefs": {
    "permissionLevel": "public",
    "voting": "disabled",
    "comments": "members",
    "invitations": "members",
    "selfJoin": true,
    "cardCovers": true,
    "cardAging": "regular",
    "calendarFeedEnabled": false,
    "background": "5925b78fa1bd45e1bfb835da",
    "backgroundImage": "https://trello-backgrounds.s3.amazonaws.com/SharedBackground/2560x1707/f3c8b6101072d80565d9b6368f05b19d/photo-1495571758719-6ec1e876d6ae",
    "backgroundImageScaled": [
      {
        "width": 140,
        "height": 100,
        "url": "https://trello-backgrounds.s3.amazonaws.com/SharedBackground/140x100/5afcd242d52da7ad4827966d8c896c00/photo-1495571758719-6ec1e876d6ae.jpg"
      },
      {
        "width": 256,
        "height": 192,
        "url": "https://trello-backgrounds.s3.amazonaws.com/SharedBackground/256x192/d297510e553abc340fb0de3570445f03/photo-1495571758719-6ec1e876d6ae.jpg"
      },
      {
        "width": 480,
        "height": 480,
        "url": "https://trello-backgrounds.s3.amazonaws.com/SharedBackground/480x480/08b5996b0a87a0f3dd80af488d99194a/photo-1495571758719-6ec1e876d6ae.jpg"
      },
      {
        "width": 960,
        "height": 960,
        "url": "https://trello-backgrounds.s3.amazonaws.com/SharedBackground/960x960/7cb60ad23bdee1ca45a7c5e4e0c07968/photo-1495571758719-6ec1e876d6ae.jpg"
      },
      {
        "width": 1024,
        "height": 1024,
        "url": "https://trello-backgrounds.s3.amazonaws.com/SharedBackground/1024x1024/dca79e47ce10cd2c985dc4ba61abd9cc/photo-1495571758719-6ec1e876d6ae.jpg"
      },
      {
        "width": 2048,
        "height": 2048,
        "url": "https://trello-backgrounds.s3.amazonaws.com/SharedBackground/2048x2048/b5a88d70569d9ded2af259e8d332c346/photo-1495571758719-6ec1e876d6ae.jpg"
      },
      {
        "width": 1280,
        "height": 1280,
        "url": "https://trello-backgrounds.s3.amazonaws.com/SharedBackground/1280x1280/c9ae077543d6c41ea2d48d84fdc12484/photo-1495571758719-6ec1e876d6ae.jpg"
      },
      {
        "width": 1920,
        "height": 1920,
        "url": "https://trello-backgrounds.s3.amazonaws.com/SharedBackground/1920x1920/cc85a9a12195863a1ff2193b5bb3a651/photo-1495571758719-6ec1e876d6ae.jpg"
      },
      {
        "width": 2560,
        "height": 1600,
        "url": "https://trello-backgrounds.s3.amazonaws.com/SharedBackground/2560x1600/de59d9e742f2de51d4284c6fd7c07f5d/photo-1495571758719-6ec1e876d6ae.jpg"
      },
      {
        "width": 2560,
        "height": 1707,
        "url": "https://trello-backgrounds.s3.amazonaws.com/SharedBackground/2560x1707/f3c8b6101072d80565d9b6368f05b19d/photo-1495571758719-6ec1e876d6ae"
      }
    ],
    "backgroundTile": false,
    "backgroundBrightness": "light",
    "backgroundBottomColor": "#332b09",
    "backgroundTopColor": "#d3c4a9",
    "canBePublic": false,
    "canBeOrg": false,
    "canBePrivate": false,
    "canInvite": true
  },
  "invitations": [],
  "shortLink": "HbTEX5hb",
  "subscribed": false,
  "labelNames": {
    "green": "",
    "yellow": "good to go",
    "orange": "",
    "red": "",
    "purple": "",
    "blue": "",
    "sky": "",
    "lime": "",
    "pink": "",
    "black": ""
  },
  "powerUps": [],
  "dateLastActivity": "2016-01-07T21:24:47.855Z",
  "dateLastView": "2018-03-12T14:15:20.234Z",
  "shortUrl": "https://trello.com/b/HbTEX5hb",
  "idTags": [],
  "datePluginDisable": null
}

Card Object

FieldDescription
id
string		The ID of the card
badges
Object		Pieces of information about the card that are displayed on the front of the card.
checkItemStates
array
closed
boolean		Whether the card is closed (archived). Note: Archived lists and boards do not cascade archives to cards. A card can have closed: false but be on an archived board.
dateLastActivity
date		The datetime of the last activity on the card.
Note: There are activities that update dateLastActivity that do not create a corresponding action. For instance, updating the name field of a checklist item on a card does not create an action but does update the card and board's dateLastActivity value.
desc
string		The description for the card. Up to 16384 chars.
descDataIf the description has custom emoji, this field will provide the data necessary to display them.
due
date		The due date on the card, if one exists
dueComplete
boolean		Whether the status of the card is complete
idAttachmentCover
string		The id of the attachment selected as the cover image, if one exists
idBoard
string		The ID of the board the card is on
idChecklists
array of strings		An array of checklist IDs that are on this card
idLabels
array of strings		An array of label IDs that are on this card
idList
string		The ID of the list the card is in
idMembers
array of strings		An array of member IDs that are on this card
idMembersVoted
array of strings		An array of member IDs who have voted on this card
idShort
integer		Numeric ID for the card on this board. Only unique to the board, and subject to change as the card moves
labels
array of labels		Array of label objects on this card
manualCoverAttachment
boolean		Whether the card cover image was selected automatically by Trello, or manually by the user
name
string		Name of the card
pos
float		Position of the card in the list
shortLink
string		The 8 character shortened ID for the card
shortUrl
string		URL to the card without the name slug
start
date		The start date on the card, if one exists
subscribed
boolean		Whether this member is subscribed to the card
url
string		Full URL to the card, with the name slug
address
string		Address of card location
locationName
string		Name of card location
coordinates
object		Either a comma-separated string in the format latitude,longitude or an object containing keys for latitude and longitude whose values are numbers between -180 and 180.

Example Request and Response

An example request and response for a card object and all of its fields would look like:

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curl https://api.trello.com/1/cards/560bf4dd7139286471dc009c?fields=all

You may also use the card's shortLink in place of the id, like so:

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curl https://api.trello.com/1/cards/nqPiDKmw?fields=all

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{
  "id": "560bf4dd7139286471dc009c",
  "badges": {
    "votes": 0,
    "viewingMemberVoted": false,
    "subscribed": true,
    "fogbugz": "",
    "checkItems": 0,
    "checkItemsChecked": 0,
    "comments": 0,
    "attachments": 2,
    "description": false,
    "due": null,
    "dueComplete": false
  },
  "checkItemStates": [

  ],
  "closed": false,
  "dueComplete": false,
  "dateLastActivity": "2017-06-26T17:39:49.583Z",
  "desc": "",
  "descData": null,
  "due": null,
  "email": null,
  "idBoard": "560bf4298b3dda300c18d09c",
  "idChecklists": [

  ],
  "idList": "560bf44ea68b16bd0fc2a9a9",
  "idMembers": [
    "556c8537a1928ba745504dd8"
  ],
  "idMembersVoted": [

  ],
  "idShort": 9,
  "idAttachmentCover": "5944a06460ed0bee471ad8e0",
  "manualCoverAttachment": false,
  "labels": [
    {
      "id": "560bf42919ad3a5dc29f33c5",
      "idBoard": "560bf4298b3dda300c18d09c",
      "name": "Visited",
      "color": "green"
    }
  ],
  "idLabels": [
    "560bf42919ad3a5dc29f33c5"
  ],
  "name": "Grand Canyon National Park",
  "pos": 16384,
  "shortLink": "nqPiDKmw",
  "shortUrl": "https://trello.com/c/nqPiDKmw",
  "subscribed": true,
  "url": "https://trello.com/c/nqPiDKmw/9-grand-canyon-national-park",
  "address": "55 Broadway\nSan Francisco CA 94111\nUnited States",
  "locationName": "55 Broadway, NY 10280",
  "coordinates": {
    "latitude": 37.7986712,
    "longitude": -122.3991514
  }
}

Member Object

Tip: While logged into Trello, visit https://trello.com/1/member/me to see the full member API response for your own user.

Field NameDescription
id
string		The ID of the member
avatarUrl
string		The url of this member's avatar
initials
string		The initials related to the account, if it is public.
fullName
string		The full name related to the account, if it is public.
username
string		The username of this account.
confirmed
boolean		Whether the user has confirmed their email address for their account.
idOrganizations
Array		List of workspaces this member belongs to.
idBoards
Array		List of boards this member belongs to.

Example Object Request

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curl https://api.trello.com/1/member/592f11060f95a3d3d46a987a

Sticker Object

Field NameDescription
id
string		ID of the card sticker
top
integer		Top position of the sticker on the card
left
integer		Left position of the sticker on the card
zIndex
integer		z-index of the sticker on the card
rotate
integer		Rotations of the sticker on the card
image
string		ID of the image used for the sticker
imageUrl
string		URL of the image used for the sticker
imageScaled
string		List of different scalings of the sticker image

Example Object Request and Response

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curl https://api.trello.com/1/cards/F2C06Ly8/stickers/602a9a7a533aa85b97624292

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{
  "id": "602a9a7a533aa85b97624292",
  "top": 0,
  "left": 56.62370816929134,
  "zIndex": 1,
  "rotate": -6,
  "image": "check",
  "imageUrl": "https://d2k1ftgv7pobq7.cloudfront.net/images/stickers/check.png",
  "imageScaled": []
}

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