Jasper

Jasper Image Templates API

The Image Templates API from Jasper — 3 operation(s) for image templates.

Documentation GitHub OpenAPI

Operations 3

POST /beta/image-template Create a new image template #

GET /beta/image-template/{template_id} Get template introspection data #

POST /beta/image-template/render Render an image template with dynamic layer and background updates #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Jasper Image Templates API
  description: Jasper API
  version: '1.0'
  contact: {}
servers:
- url: https://api.jasper.ai
tags:
- name: Image Templates
  description: ''
paths:
  /beta/image-template:
    post:
      description: Create a new image template.
      operationId: createImageTemplate
      parameters: []
      requestBody:
        required: true
        description: Image template creation request parameters (form-data)
        content:
          multipart/form-data:
            schema:
              type: object
              properties:
                template:
                  type: string
                  format: binary
                  description: The template data as a JSON file (max 5MB)
                workspace_id:
                  type: string
                  description: Optional workspace ID (must match authenticated workspace)
              required:
              - template
              additionalProperties: false
      responses:
        '201':
          description: The template was successfully created.
          content:
            application/json:
              schema:
                type: object
                properties:
                  externalId:
                    type: string
                    description: The external ID of the created template
        '400':
          description: Bad request. May be missing required file, invalid JSON, file too large, or workspace mismatch.
        '500':
          description: Internal server error. Unable to create template.
      security:
      - X-API-Key: []
      - oauth2:
        - user
      summary: Create a new image template
      tags:
      - Image Templates
  /beta/image-template/{template_id}:
    get:
      description: Retrieve template metadata (version, dimensions, workspace) and a list of all layers with their properties. This endpoint provides information about what layers are available in the template and what properties can be edited for each layer.
      operationId: getImageTemplate
      parameters:
      - name: template_id
        required: true
        in: path
        description: The external ID of the template to introspect
        schema:
          type: string
      responses:
        '200':
          description: Template introspection data retrieved successfully.
          content:
            application/json:
              schema:
                type: object
                properties:
                  id:
                    type: string
                    description: The external ID of the template
                  metadata:
                    type: object
                    properties:
                      width:
                        type: number
                        description: Template width in pixels
                        example: 1080
                      height:
                        type: number
                        description: Template height in pixels
                        example: 1080
                      visibility:
                        type: string
                        enum:
                        - private
                        - public
                        description: 'Template visibility: "private" if associated with a specific workspace, "public" otherwise'
                        example: private
                  layers:
                    type: array
                    description: List of layers in the template
                    items:
                      type: object
                      required:
                      - name
                      - type
                      - editableProperties
                      - width
                      - height
                      - x
                      - y
                      properties:
                        name:
                          type: string
                          description: Layer name (used for referencing in render endpoint)
                        type:
                          type: string
                          description: Layer type (text, image, etc.)
                          example: text
                        editableProperties:
                          type: array
                          description: List of properties that can be edited for this layer
                          items:
                            type: string
                          example:
                          - content
                          - color
                          - font
                          - backgroundColor
                        width:
                          type: integer
                          description: Layer width in pixels
                          example: 200
                        height:
                          type: integer
                          description: Layer height in pixels
                          example: 100
                        x:
                          type: integer
                          description: Layer x-coordinate position
                          example: 50
                        y:
                          type: integer
                          description: Layer y-coordinate position
                          example: 30
        '404':
          description: Template not found or access denied.
        '500':
          description: Internal server error. Unable to retrieve template information.
      security:
      - X-API-Key: []
      summary: Get template introspection data
      tags:
      - Image Templates
  /beta/image-template/render:
    post:
      description: 'Generate multiple variations of advertising images connecting a predefined template with dynamic content. You can dynamically update layer properties and page background using dot notation in form fields. For layers: "layers.author.text.content" to update text content. For background: "background.color" for solid colors or "background.imageFile" for image backgrounds. Only layers.* and background.* form fields will be processed as dynamic updates, other fields are ignored.'
      operationId: renderImageTemplate
      parameters: []
      requestBody:
        required: true
        description: Multi-layer image composition request parameters (form-data)
        content:
          multipart/form-data:
            schema:
              type: object
              properties:
                template_id:
                  type: string
                  format: uuid
                  description: Id of the template to render.
                scale:
                  type: number
                  description: 'Scale factor for the rendered image (0 < scale <= 4). Default: 1'
                  minimum: 0
                  maximum: 4
                  default: 1
                format:
                  type: string
                  enum:
                  - png
                  - jpeg
                  description: 'Output image format. Default: png'
                  default: png
                layers.{name}.text.content:
                  type: string
                  description: Update text content for a text layer
                layers.{name}.text.color:
                  type: string
                  description: Update text color
                layers.{name}.text.font:
                  type: string
                  format: binary
                  description: 'Upload a custom font file for a text layer (TTF, OTF, WOFF, WOFF2). Max size: 5MB'
                layers.{name}.text.opacity:
                  type: string
                  description: Set text layer opacity, value is a number between 0 and 1
                  maximum: 1
                layers.{name}.text.isVisible:
                  type: string
                  enum:
                  - 'true'
                  - 'false'
                  description: Set text layer visibility
                layers.{name}.text.backgroundColor:
                  type: string
                  description: Update text background color
                layers.{name}.image.imageFile:
                  oneOf:
                  - type: string
                    format: binary
                    description: 'Upload an image file (PNG, JPEG, WebP). Max size: 5MB'
                  - type: string
                    format: url
                    description: URL of an image.
                layers.{name}.image.fit:
                  type: string
                  enum:
                  - contain
                  - cover
                  description: 'Auto-fit the image to the layer. Requires providing layers.{name}.image.imageFile in the same request. "contain": no crop, resize and center the image. "cover": crop to fill the layer. Fit will override any existing crop attributes in the template'
                layers.{name}.image.cropWidth:
                  type: string
                  description: Crop width as percentage (0-1). Cannot be used with fit attribute.
                  minimum: 0
                  maximum: 1
                  default: 1
                layers.{name}.image.cropHeight:
                  type: string
                  description: Crop height as percentage (0-1). Cannot be used with fit attribute.
                  minimum: 0
                  maximum: 1
                  default: 1
                layers.{name}.image.cropX:
                  type: string
                  description: Crop X offset as percentage (0-1). Cannot be used with fit attribute.
                  minimum: 0
                  maximum: 1
                  default: 0
                layers.{name}.image.cropY:
                  type: string
                  description: Crop Y offset as percentage (0-1). Cannot be used with fit attribute.
                  minimum: 0
                  maximum: 1
                  default: 0
                layers.{name}.image.opacity:
                  type: string
                  description: Set image layer opacity, value is a number between 0 and 1
                  minimum: 0
                  maximum: 1
                layers.{name}.image.isVisible:
                  type: string
                  enum:
                  - 'true'
                  - 'false'
                  description: Set image layer visibility
                background.color:
                  type: string
                  description: Set page background to a solid color (e.g., "rgba(245,166,35,1)", "#FF0000", "white"). Cannot be used with background.imageFile.
                background.imageFile:
                  type: string
                  format: binary
                  description: 'Upload an image file for page background (PNG, JPEG, WebP). Max size: 5MB. Cannot be used with background.color.'
                layers.{name}.svg.color:
                  type: string
                  description: Update SVG fill color
                layers.{name}.svg.opacity:
                  type: string
                  description: Set svg layer opacity, value is a number between 0 and 1
                  minimum: 0
                  maximum: 1
                layers.{name}.svg.isVisible:
                  type: string
                  enum:
                  - 'true'
                  - 'false'
                  description: Set svg layer visibility
              required:
              - template_id
              additionalProperties: true
              example:
                template_id: 123e4567-e89b-12d3-a456-426614174000
                scale: 1
                background.color: rgba(245,166,35,1)
                format: png
                layers.author.text.content: Tom C.
                layers.author.text.color: '#FF0000'
                layers.author.text.font: <binary font file>
                layers.author.text.opacity: '0.8'
                layers.author.text.isVisible: 'true'
                layers.review.text.content: Nice product, I love it
                layers.review.text.backgroundColor: '#FFFFFF'
                layers.logo.image.imageFile: <binary file>
                layers.logo.image.fit: contain
                layers.logo.image.opacity: '0.5'
                layers.logo.image.isVisible: 'false'
                layers.icon.svg.color: '#00FF00'
                layers.icon.svg.opacity: '0.5'
                layers.icon.svg.isVisible: 'false'
      responses:
        '200':
          description: The image was successfully rendered.
          content:
            image/png:
              schema:
                type: string
                format: binary
            image/jpeg:
              schema:
                type: string
                format: binary
        '400':
          description: Bad request. May be missing required inputs or may have badly formatted inputs or options.
        '404':
          description: Template not found or access denied.
        '500':
          description: Internal server error. Unable to render image.
      security:
      - X-API-Key: []
      - oauth2:
        - user
      summary: Render an image template with dynamic layer and background updates
      tags:
      - Image Templates
components:
  securitySchemes:
    X-API-Key:
      type: apiKey
      in: header
      name: X-API-Key
      description: Workspace authentication using API key tokens in the X-API-Key header.
    oauth2:
      type: oauth2
      flows:
        authorizationCode:
          authorizationUrl: https://api.jasper.ai/oauth2/authorize
          tokenUrl: https://api.jasper.ai/oauth2/token
          refreshUrl: https://api.jasper.ai/oauth2/token
          scopes:
            user:read: Read user information
            user: Read and write user information
      description: User-level authentication using OAuth bearer tokens in the Authorization header.
x-readme:
  metrics-enabled: false