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

# Generate referral QR code

> Generates a QR code for a member's referral link.



## OpenAPI

````yaml api/openapi-integration.yaml get /api/v1/members/{userId}/referral-qr
openapi: 3.1.0
info:
  title: MLM Platform Integration API
  version: 1.0.0
  description: >
    Tenant integrator APIs for external platform federation and member-data
    access,

    including OIDC token exchange, external user linking, genealogy, referrals,
    and commissions.


    ## Authentication

    All API requests require a tenant API key passed in the `x-tenant-api-key`
    header.


    ## Token Exchange

    External platforms can exchange their JWT tokens for MLM platform tokens
    using

    the `/api/v1/auth/exchange` endpoint.
  contact:
    name: MLM Platform Support
    email: support@mlm-platform.example.com
servers:
  - url: https://app.mlm-platform.com
    description: Production API
  - url: http://localhost:3000
    description: Local Development
security:
  - TenantApiKey: []
tags:
  - name: Auth
    description: Authentication and token exchange
  - name: Genealogy
    description: Member hierarchy and relationships
  - name: Referrals
    description: Referral statistics and QR codes
  - name: Commissions
    description: Commission history and breakdowns
  - name: Webhooks
    description: Webhook receivers for third-party providers (Stripe, Wise)
paths:
  /api/v1/members/{userId}/referral-qr:
    get:
      tags:
        - Referrals
      summary: Generate referral QR code
      description: Generates a QR code for a member's referral link.
      operationId: generateReferralQR
      parameters:
        - name: userId
          in: path
          required: true
          schema:
            type: string
            format: uuid
        - name: size
          in: query
          schema:
            type: integer
            minimum: 64
            maximum: 1024
            default: 256
        - name: format
          in: query
          schema:
            type: string
            enum:
              - png
              - svg
            default: png
        - name: includeLogo
          in: query
          schema:
            type: boolean
            default: false
        - name: darkColor
          in: query
          schema:
            type: string
            description: Hex color, e.g.
        - name: lightColor
          in: query
          schema:
            type: string
            description: Hex color, e.g.
      responses:
        '200':
          description: QR code generated
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/QRCodeResponse'
        '404':
          description: User not found
components:
  schemas:
    QRCodeResponse:
      type: object
      properties:
        dataUrl:
          type: string
        referralUrl:
          type: string
        referralCode:
          type: string
  securitySchemes:
    TenantApiKey:
      type: apiKey
      in: header
      name: x-tenant-api-key
      description: Tenant API key for authentication

````