Webflow API and Documentation
Webflow API and Documentation Assets API

Assets are files that are uploaded to your Webflow account.
Documentation GitHub OpenAPI
OpenAPI Specification

openapi: 3.1.0
info:
  title: Webflow Collections Asset Folders Assets API
  description: Webflow Data API v2 - Collections endpoints.
  version: 2.0.0
  contact:
    name: Webflow Developer Relations
    email: developers@webflow.com
    url: https://developers.webflow.com
  termsOfService: https://webflow.com/legal/terms
  license:
    name: MIT
    url: https://opensource.org/licenses/MIT
servers:
- url: https://api.webflow.com/v2
  description: Webflow API v2
  x-fern-server-name: Data API
security:
- OAuth2: []
- ApiKey: []
tags:
- name: Assets
  description: Assets are files that are uploaded to your Webflow account.
paths:
  /sites/{site_id}/assets:
    get:
      x-fern-sdk-group-name: assets
      x-fern-sdk-method-name: list
      security:
      - OAuth2:
        - assets:read
      operationId: list-assets
      summary: Webflow List Assets
      description: 'List of assets uploaded to a site


        Required scope | `assets:read`

        '
      tags:
      - Assets
      parameters:
      - name: site_id
        in: path
        description: Unique identifier for a Site
        example: 580e63e98c9a982ac9b8b741
        required: true
        schema:
          type: string
          format: objectid
          default: null
      - in: query
        example: 0
        allowEmptyValue: true
        name: offset
        description: Offset used for pagination if the results have more than limit records
        required: false
        schema:
          type: integer
      - in: query
        allowEmptyValue: true
        name: limit
        example: 100
        description: 'Maximum number of records to be returned (max limit: 100)'
        required: false
        schema:
          type: integer
      responses:
        '200':
          description: Request was successful
          content:
            application/json:
              schema:
                required:
                - assets
                - pagination
                type: object
                description: A list of assets
                properties:
                  assets:
                    type: array
                    items:
                      description: Asset details
                      example:
                        id: 63e5889e7fe4eafa7384cea4
                        originalFileName: Candy-Wrapper.svg
                        displayName: 63e5889e7fe4eafa7384cea4_Candy-Wrapper.png
                        contentType: image/png
                        size: 2212772
                        siteId: 63938b302ea6b0aa6f3d8745
                        createdOn: '2023-02-09T23:58:22.294Z'
                        lastUpdated: '2023-03-01T23:42:57.862Z'
                        hostedUrl: https://s3.amazonaws.com/webflow-prod-assets/63938b302ea6b0aa6f3d8745/63e5889e7fe4eafa7384cea4_Vectors-Wrapper.svg
                        variants:
                        - hostedUrl: https://s3.amazonaws.com/webflow-prod-assets/6258612d1ee792848f805dcf/660d83ce30f3a599ddb0bdb3_Screenshot%202024-03-20%20at%209.03.24%E2%80%AFPM-p-500.png
                          originalFileName: Screenshot%202024-03-20%20at%209.03.24%E2%80%AFPM-p-500.png
                          displayName: 660d83ce30f3a599ddb0bdb3_Screenshot%202024-03-20%20at%209.03.24%E2%80%AFPM-p-500.png
                          format: png
                          width: 500
                          height: null
                          quality: 100
                          error: null
                        altText: A single candy wrapper
                      required:
                      - id
                      - contentType
                      - size
                      - siteId
                      - hostedUrl
                      - originalFileName
                      - displayName
                      - lastUpdated
                      - createdOn
                      - variants
                      - altText
                      properties:
                        id:
                          type: string
                          format: objectid
                          example: 55131cd036c09f7d07883dfc
                          description: Unique identifier for this asset
                          readOnly: true
                        contentType:
                          type: string
                          example: image/png
                          format: mime-type
                          description: File format type
                          readOnly: true
                        size:
                          type: integer
                          description: size in bytes
                          example: 1500
                          readOnly: true
                        siteId:
                          type: string
                          format: objectid
                          example: 62749158efef318abc8d5a0f
                          description: Unique identifier for the site that hosts this asset
                          readOnly: true
                        hostedUrl:
                          type: string
                          format: uri
                          example: example.com/hostedimage.png
                          description: Link to the asset
                          readOnly: true
                        originalFileName:
                          type: string
                          example: image.png
                          description: Original file name at the time of upload
                          readOnly: true
                        displayName:
                          type: string
                          example: example-image-123.png
                          description: Display name of the asset
                        lastUpdated:
                          type: string
                          format: date-time
                          example: '2016-09-06T21:12:22.148Z'
                          description: Date the asset metadata was last updated
                          readOnly: true
                        createdOn:
                          type: string
                          format: date-time
                          example: '2016-09-02T23:26:22.241Z'
                          description: Date the asset metadata was created
                          readOnly: true
                        variants:
                          description: A list of [asset variants](https://help.webflow.com/hc/en-us/articles/33961378697107-Responsive-images) created by Webflow to serve your site responsively.
                          type: array
                          items:
                            description: Asset variant details
                            required:
                            - hostedUrl
                            - originalFileName
                            - displayName
                            - format
                            - width
                            - height
                            - quality
                            properties:
                              hostedUrl:
                                type: string
                                format: uri
                                example: example.com/hostedimage.png
                                description: URL of where the asset variant is hosted
                              originalFileName:
                                type: string
                                example: image.png
                                description: Original file name of the variant
                              displayName:
                                type: string
                                example: A brown dog
                                description: Display name of the variant
                              format:
                                type: string
                                description: format of the variant
                              width:
                                type: integer
                                description: Width in pixels
                                example: 1500
                              height:
                                type: integer
                                description: Height in pixels
                                example: 900
                                nullable: true
                              quality:
                                type: integer
                                description: Value between 0 and 100 representing the image quality
                              error:
                                type: string
                                description: Any associated validation errors
                                nullable: true
                        altText:
                          type: string
                          example: A red chair
                          nullable: true
                          description: The visual description of the asset
                  pagination:
                    description: Pagination object
                    type: object
                    required:
                    - limit
                    - offset
                    - total
                    properties:
                      limit:
                        type: integer
                        description: The limit used for pagination
                        example: 100
                        readOnly: true
                      offset:
                        type: integer
                        description: The offset used for pagination
                        example: 0
                        readOnly: true
                      total:
                        type: integer
                        description: The total number of records
                        example: 100
                        readOnly: true
                example:
                  assets:
                  - id: 63e5889e7fe4eafa7384cea4
                    originalFileName: Candy-Wrapper.svg
                    displayName: 63e5889e7fe4eafa7384cea4_Candy-Wrapper.png
                    contentType: image/png
                    size: 2212772
                    siteId: 63938b302ea6b0aa6f3d8745
                    createdOn: '2023-02-09T23:58:22.294Z'
                    lastUpdated: '2023-03-01T23:42:57.862Z'
                    hostedUrl: https://s3.amazonaws.com/webflow-prod-assets/63938b302ea6b0aa6f3d8745/63e5889e7fe4eafa7384cea4_Vectors-Wrapper.svg
                    variants:
                    - hostedUrl: https://s3.amazonaws.com/webflow-prod-assets/6258612d1ee792848f805dcf/660d83ce30f3a599ddb0bdb3_Screenshot%202024-03-20%20at%209.03.24%E2%80%AFPM-p-500.png
                      originalFileName: Screenshot%202024-03-20%20at%209.03.24%E2%80%AFPM-p-500.png
                      displayName: 660d83ce30f3a599ddb0bdb3_Screenshot%202024-03-20%20at%209.03.24%E2%80%AFPM-p-500.png
                      format: png
                      width: 500
                      height: null
                      quality: 100
                      error: null
                    altText: A single candy wrapper
                  - id: 63e5889e7fe4eafa7384cea5
                    originalFileName: Gum-Wrapper.svg
                    displayName: 63e5889e7fe4eafa7384cea5_Gum-Wrapper.png
                    contentType: image/png
                    size: 2212772
                    siteId: 63938b302ea6b0aa6f3d8745
                    createdOn: '2023-02-09T23:58:22.294Z'
                    lastUpdated: '2023-03-01T23:42:57.862Z'
                    hostedUrl: https://s3.amazonaws.com/webflow-prod-assets/63938b302ea6b0aa6f3d8745/63e5889e7fe4eafa7384cea4_Vectors-Wrapper.svg
                    variants:
                    - hostedUrl: https://s3.amazonaws.com/webflow-prod-assets/6258612d1ee792848f805dcf/660d83ce30f3a599ddb0bdb3_Screenshot%202024-03-20%20at%209.03.24%E2%80%AFPM-p-500.png
                      originalFileName: Screenshot%202024-03-20%20at%209.03.24%E2%80%AFPM-p-500.png
                      displayName: 660d83ce30f3a599ddb0bdb3_Screenshot%202024-03-20%20at%209.03.24%E2%80%AFPM-p-500.png
                      format: png
                      width: 500
                      height: null
                      quality: 100
                      error: null
                    altText: A single gum wrapper
                  pagination:
                    total: 2
                    offset: 0
                    limit: 2
        '400':
          description: Request body was incorrectly formatted.
          x-logErrorCode: 400
          content:
            application/json:
              schema:
                type: object
                example:
                  code: not_authorized
                  message: Request not authorized
                  externalReference: null
                  details: []
                properties:
                  code:
                    type: string
                    description: Error code
                    example: not_authorized
                    enum:
                    - bad_request
                    - collection_not_found
                    - conflict
                    - duplicate_collection
                    - duplicate_user_email
                    - ecommerce_not_enabled
                    - forbidden
                    - forms_require_republish
                    - incompatible_webhook_filter
                    - internal_error
                    - invalid_auth_version
                    - invalid_credentials
                    - invalid_domain
                    - invalid_user_email
                    - item_not_found
                    - missing_scopes
                    - no_domains
                    - not_authorized
                    - not_enterprise_plan_site
                    - not_enterprise_plan_workspace
                    - order_not_found
                    - resource_not_found
                    - too_many_requests
                    - unsupported_version
                    - unsupported_webhook_trigger_type
                    - user_limit_reached
                    - user_not_found
                    - users_not_enabled
                    - validation_error
                  message:
                    type: string
                    description: Error message
                    example: Request not authorized
                  externalReference:
                    type: string
                    description: Link to more information
                    example: ''
                  details:
                    type: array
                    description: Array of errors
                    items:
                    - type: string
                      example: Invalid email address
                      description: Error message
                    - type: object
                      example:
                        field: email
                        message: Invalid email address
                      description: Error message
                    example: []
              example:
                code: bad_request
                message: 'Bad Request: Request is malformed'
                externalReference: null
                details: []
        '401':
          description: Provided access token is invalid or does not have access to requested resource
          x-logErrorCode: 401
          content:
            application/json:
              schema:
                type: object
                example:
                  code: not_authorized
                  message: Request not authorized
                  externalReference: null
                  details: []
                properties:
                  code:
                    type: string
                    description: Error code
                    example: not_authorized
                    enum:
                    - bad_request
                    - collection_not_found
                    - conflict
                    - duplicate_collection
                    - duplicate_user_email
                    - ecommerce_not_enabled
                    - forbidden
                    - forms_require_republish
                    - incompatible_webhook_filter
                    - internal_error
                    - invalid_auth_version
                    - invalid_credentials
                    - invalid_domain
                    - invalid_user_email
                    - item_not_found
                    - missing_scopes
                    - no_domains
                    - not_authorized
                    - not_enterprise_plan_site
                    - not_enterprise_plan_workspace
                    - order_not_found
                    - resource_not_found
                    - too_many_requests
                    - unsupported_version
                    - unsupported_webhook_trigger_type
                    - user_limit_reached
                    - user_not_found
                    - users_not_enabled
                    - validation_error
                  message:
                    type: string
                    description: Error message
                    example: Request not authorized
                  externalReference:
                    type: string
                    description: Link to more information
                    example: ''
                  details:
                    type: array
                    description: Array of errors
                    items:
                    - type: string
                      example: Invalid email address
                      description: Error message
                    - type: object
                      example:
                        field: email
                        message: Invalid email address
                      description: Error message
                    example: []
              example:
                code: not_authorized
                message: Request not authorized
                externalReference: null
                details: []
        '404':
          description: Requested resource not found
          x-logErrorCode: 404
          content:
            application/json:
              schema:
                type: object
                example:
                  code: not_authorized
                  message: Request not authorized
                  externalReference: null
                  details: []
                properties:
                  code:
                    type: string
                    description: Error code
                    example: not_authorized
                    enum:
                    - bad_request
                    - collection_not_found
                    - conflict
                    - duplicate_collection
                    - duplicate_user_email
                    - ecommerce_not_enabled
                    - forbidden
                    - forms_require_republish
                    - incompatible_webhook_filter
                    - internal_error
                    - invalid_auth_version
                    - invalid_credentials
                    - invalid_domain
                    - invalid_user_email
                    - item_not_found
                    - missing_scopes
                    - no_domains
                    - not_authorized
                    - not_enterprise_plan_site
                    - not_enterprise_plan_workspace
                    - order_not_found
                    - resource_not_found
                    - too_many_requests
                    - unsupported_version
                    - unsupported_webhook_trigger_type
                    - user_limit_reached
                    - user_not_found
                    - users_not_enabled
                    - validation_error
                  message:
                    type: string
                    description: Error message
                    example: Request not authorized
                  externalReference:
                    type: string
                    description: Link to more information
                    example: ''
                  details:
                    type: array
                    description: Array of errors
                    items:
                    - type: string
                      example: Invalid email address
                      description: Error message
                    - type: object
                      example:
                        field: email
                        message: Invalid email address
                      description: Error message
                    example: []
              example:
                code: resource_not_found
                message: 'Requested resource not found: The site cannot be found'
                externalReference: null
                details: []
        '429':
          description: The rate limit of the provided access_token has been reached. Please have your application respect the X-RateLimit-Remaining header we include on API responses.
          x-logErrorCode: 429
          headers:
            X-RateLimit-Remaining:
              description: Contains the number of available requests remaining in the current minute
              schema:
                type: number
            X-RateLimit-Limit:
              description: Contains your current overall rate limit per minute
              schema:
                type: number
          content:
            application/json:
              schema:
                type: object
                example:
                  code: not_authorized
                  message: Request not authorized
                  externalReference: null
                  details: []
                properties:
                  code:
                    type: string
                    description: Error code
                    example: not_authorized
                    enum:
                    - bad_request
                    - collection_not_found
                    - conflict
                    - duplicate_collection
                    - duplicate_user_email
                    - ecommerce_not_enabled
                    - forbidden
                    - forms_require_republish
                    - incompatible_webhook_filter
                    - internal_error
                    - invalid_auth_version
                    - invalid_credentials
                    - invalid_domain
                    - invalid_user_email
                    - item_not_found
                    - missing_scopes
                    - no_domains
                    - not_authorized
                    - not_enterprise_plan_site
                    - not_enterprise_plan_workspace
                    - order_not_found
                    - resource_not_found
                    - too_many_requests
                    - unsupported_version
                    - unsupported_webhook_trigger_type
                    - user_limit_reached
                    - user_not_found
                    - users_not_enabled
                    - validation_error
                  message:
                    type: string
                    description: Error message
                    example: Request not authorized
                  externalReference:
                    type: string
                    description: Link to more information
                    example: ''
                  details:
                    type: array
                    description: Array of errors
                    items:
                    - type: string
                      example: Invalid email address
                      description: Error message
                    - type: object
                      example:
                        field: email
                        message: Invalid email address
                      description: Error message
                    example: []
              example:
                code: too_many_requests
                message: Too many requests
                externalReference: null
                details: []
        '500':
          description: We had a problem with our server. Try again later.
          content:
            application/json:
              x-logErrorCode: 500
              schema:
                type: object
                example:
                  code: not_authorized
                  message: Request not authorized
                  externalReference: null
                  details: []
                properties:
                  code:
                    type: string
                    description: Error code
                    example: not_authorized
                    enum:
                    - bad_request
                    - collection_not_found
                    - conflict
                    - duplicate_collection
                    - duplicate_user_email
                    - ecommerce_not_enabled
                    - forbidden
                    - forms_require_republish
                    - incompatible_webhook_filter
                    - internal_error
                    - invalid_auth_version
                    - invalid_credentials
                    - invalid_domain
                    - invalid_user_email
                    - item_not_found
                    - missing_scopes
                    - no_domains
                    - not_authorized
                    - not_enterprise_plan_site
                    - not_enterprise_plan_workspace
                    - order_not_found
                    - resource_not_found
                    - too_many_requests
                    - unsupported_version
                    - unsupported_webhook_trigger_type
                    - user_limit_reached
                    - user_not_found
                    - users_not_enabled
                    - validation_error
                  message:
                    type: string
                    description: Error message
                    example: Request not authorized
                  externalReference:
                    type: string
                    description: Link to more information
                    example: ''
                  details:
                    type: array
                    description: Array of errors
                    items:
                    - type: string
                      example: Invalid email address
                      description: Error message
                    - type: object
                      example:
                        field: email
                        message: Invalid email address
                      description: Error message
                    example: []
              example:
                code: internal_error
                message: An Internal Error occurred
                externalReference: null
                details: []
    post:
      x-fern-sdk-group-name: assets
      x-fern-sdk-method-name: create
      security:
      - OAuth2:
        - assets:write
      operationId: create-asset
      summary: Webflow Upload Asset
      description: "The first step in uploading an asset to a site.\n\n\nThis endpoint generates a response with the following information: `uploadUrl` and `uploadDetails`.\n\n\nUse these properties in the header of a [POST request to Amazson s3](https://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectPOST.html) to complete the upload.\n\n\nTo learn more about how to upload assets to Webflow, see our [assets guide](/data/docs/working-with-assets).\n\n Required scope | `assets:write`\n"
      tags:
      - Assets
      parameters:
      - name: site_id
        in: path
        description: Unique identifier for a Site
        example: 580e63e98c9a982ac9b8b741
        required: true
        schema:
          type: string
          format: objectid
          default: null
      requestBody:
        description: Information about the asset to create
        required: true
        content:
          application/json:
            schema:
              description: The request to create a webhook
              required:
              - fileName
              - fileHash
              properties:
                fileName:
                  type: string
                  example: file.png
                  description: File name including file extension. File names must be less than 100 characters.
                fileHash:
                  type: string
                  example: 3c7d87c9575702bc3b1e991f4d3c638e
                  description: MD5 hash of the file
                parentFolder:
                  type: string
                  example: 6436b1ce5281cace05b65aea
                  description: ID of the Asset folder (optional)
      responses:
        '200':
          description: Request was successful
          content:
            application/json:
              schema:
                properties:
                  uploadDetails:
                    type: object
                    description: Metadata for uploading the asset binary
                    properties:
                      acl:
                        type: string
                        example: public-read
                      bucket:
                        type: string
                        example: webflow-bucket-name
                      X-Amz-Algorithm:
                        type: string
                        example: AWS4-HMAC-SHA256
                      X-Amz-Credential:
                        type: string
                        example: <credential-key>/<date>/<region-zone>/s3/aws4_request
                      X-Amz-Date:
                        type: string
                        example: <date-in-iso-like-string>
                      key:
                        type: string
                        example: <siteId>/<fileId>_<filename-with-extension>
                      Policy:
                        type: string
                        example: <a-very-long-alphanumeric-token-with-equal-sign-at-the-end>
                      X-Amz-Signature:
                        type: string
                        example: <one-line-ling-alphanumeric-signature>
                      success_action_status:
                        type: string
                        example: '201'
                      content-type:
                        type: string
                        format: mime-type
                        example: image/png
                      Cache-Control:
                        type: string
                        example: max-age=31536000, must-revalidate
                  contentType:
                    type: string
                    example: image/png
                  id:
                    type: string
                    format: objectid
                    example: 55131cd036c09f7d07883dfc
                  parentFolder:
                    type: string
                    format: objectid
                    default: null
                    example: 6436b1ce5281cace05b65aea
                    description: Parent folder for the asset
                  uploadUrl:
                    type: string
                    format: uri
                    example: example.com/assets/image.png
                  assetUrl:
                    type: string
                    format: uri
                    example: example.com/assets/image.png
                    description: S3 link to the asset
                  hostedUrl:
                    type: string
                    format: uri
                    description: Represents the link to the asset
                    example: example.com/hostedimage.png
                  originalFileName:
                    type: string
                    example: image.png
                    description: Original file name when uploaded. If not specified at time of upload, it may be extracted from the raw file name
                  createdOn:
                    type: string
                    format: date-time
                    example: '2016-09-02T23:26:22.241Z'
                    description: Date the asset metadata was created
                  lastUpdated:
                    type: string
                    format: date-time
                    example: '2016-09-06T21:12:22.148Z'
                    description: Date the asset metadata was last updated
                example:
                  uploadDetails:
                    acl: public-read
                    bucket: webflow-bucket-name
                    X-Amz-Algorithm: AWS4-HMAC-SHA256
                    X-Amz-Credential: <creden

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Webflow API and Documentation Assets API

Documentation

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OpenAPI Specification
