> ## Documentation Index
> Fetch the complete documentation index at: https://docs.loyalty.dog/llms.txt
> Use this file to discover all available pages before exploring further.

# Get Chart Data

> Get time-series chart data for performance visualization.

### Args:
- `merchant_id`: The ID of the merchant (program)
- `metric`: The metric to chart (member_growth, redemptions, points_issued, engagement_rate)
- `period`: The time period (7d, 30d, 90d, custom)
- `user`: The authenticated user

### Returns:
- ChartDataResponse with daily data points and event markers



## OpenAPI

````yaml https://api.loyalty.dog/openapi.json get /v2/merchants/{merchant_id}/metrics/chart
openapi: 3.1.0
info:
  title: LoyaltyDog
  description: >-

    Welcome to the LoyaltyDog API! This API provides access to our loyalty
    program features, allowing you to integrate with various platforms and
    manage your loyalty data.


    Want to query LoyaltyDog via an AI assistant (Claude, Cursor, Windsurf)? See
    the [MCP Integration guide](https://loyaltydog.ai/playground#mcp).
        
  termsOfService: https://loyalty.dog/loyalty-program-terms-service
  contact:
    name: LoyaltyDog Support
    url: https://loyalty.dog/contact-us
    email: support@loyalty.dog
  version: 1.0.1
servers:
  - url: https://api.loyalty.dog
    description: Production
security:
  - bearerAuth: []
paths:
  /v2/merchants/{merchant_id}/metrics/chart:
    get:
      tags:
        - Merchants
      summary: Get Chart Data
      description: >-
        Get time-series chart data for performance visualization.


        ### Args:

        - `merchant_id`: The ID of the merchant (program)

        - `metric`: The metric to chart (member_growth, redemptions,
        points_issued, engagement_rate)

        - `period`: The time period (7d, 30d, 90d, custom)

        - `user`: The authenticated user


        ### Returns:

        - ChartDataResponse with daily data points and event markers
      operationId: get_chart_data_v2_merchants__merchant_id__metrics_chart_get
      parameters:
        - name: merchant_id
          in: path
          required: true
          schema:
            type: string
            title: Merchant Id
        - name: metric
          in: query
          required: false
          schema:
            type: string
            pattern: ^(member_growth|redemptions|points_issued|engagement_rate)$
            default: member_growth
            title: Metric
        - name: period
          in: query
          required: false
          schema:
            type: string
            pattern: ^(7d|30d|90d|custom)$
            default: 30d
            title: Period
        - name: authorization
          in: header
          required: false
          schema:
            anyOf:
              - type: string
              - type: 'null'
            title: Authorization
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ChartDataResponse'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
components:
  schemas:
    ChartDataResponse:
      properties:
        data:
          items:
            $ref: '#/components/schemas/ChartDataPoint'
          type: array
          title: Data
        events:
          items:
            $ref: '#/components/schemas/EventMarker'
          type: array
          title: Events
      type: object
      required:
        - data
        - events
      title: ChartDataResponse
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    ChartDataPoint:
      properties:
        date:
          type: string
          title: Date
        value:
          type: number
          title: Value
      type: object
      required:
        - date
        - value
      title: ChartDataPoint
    EventMarker:
      properties:
        date:
          type: string
          title: Date
        label:
          type: string
          title: Label
        type:
          type: string
          title: Type
      type: object
      required:
        - date
        - label
        - type
      title: EventMarker
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
              - type: string
              - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
        input:
          title: Input
        ctx:
          type: object
          title: Context
      type: object
      required:
        - loc
        - msg
        - type
      title: ValidationError
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: JWT access token obtained from POST /v2/token.

````