> ## Documentation Index > Fetch the complete documentation index at: https://docs.lobbystack.com/llms.txt > Use this file to discover all available pages before exploring further. # Update the brand > Changes the fields sent and keeps the rest. Send a logo or favicon in base64, or null to remove it. Every page and email shows the change within 30 seconds. ## OpenAPI ````yaml /api-reference/openapi.json patch /partner/brand openapi: 3.1.0 info: title: LobbyStack API version: v1 description: >- Read calls, contacts, appointments and messages, book appointments, and subscribe to webhooks. Authenticate with an API key in the Authorization header. A platform key also names the business it acts on in the LobbyStack-Business header. Each key allows 120 requests per minute by default. servers: - url: https://app.lobbystack.com/api/v1 security: - bearerAuth: [] tags: - name: Business - name: Receptionist - name: Agents - name: Billing - name: Phone numbers - name: Onboarding - name: Team - name: Website chat - name: Calendars - name: Notifications - name: Calls - name: Contacts - name: Appointments - name: Messages - name: Knowledge - name: Webhooks - name: Platform - name: Partner paths: /partner/brand: patch: tags: - Partner summary: Update the brand description: >- Changes the fields sent and keeps the rest. Send a logo or favicon in base64, or null to remove it. Every page and email shows the change within 30 seconds. operationId: updatePartnerBrand requestBody: required: true content: application/json: schema: $ref: '#/components/schemas/PartnerBrandUpdate' responses: '200': description: OK content: application/json: schema: type: object required: - data properties: data: $ref: '#/components/schemas/PartnerBrand' '400': description: The request is invalid (invalid_request). content: application/json: schema: $ref: '#/components/schemas/Error' '401': description: The API key is missing, invalid, or revoked (unauthorized). content: application/json: schema: $ref: '#/components/schemas/Error' '403': description: >- Refused. insufficient_scope: the key lacks the partner.branding:write scope. forbidden: only a partner's platform keys can call this endpoint, or what only the partner's owners may do. key_owner_inactive: the person the key acts for can't any more: a per-business key's creator is no longer an owner or admin, or a platform key's owner_email has no verified LobbyStack account. content: application/json: schema: $ref: '#/components/schemas/Error' '409': description: The request conflicts with the current state. content: application/json: schema: $ref: '#/components/schemas/Error' '429': description: >- Too many requests (rate_limited). Wait for the Retry-After header's number of seconds. content: application/json: schema: $ref: '#/components/schemas/Error' headers: Retry-After: schema: type: integer description: Seconds to wait. security: - bearerAuth: [] components: schemas: PartnerBrandUpdate: type: object properties: name: type: string minLength: 1 maxLength: 120 color: anyOf: - type: string maxLength: 32 - type: 'null' terms_url: anyOf: - type: string maxLength: 2048 - type: 'null' privacy_url: anyOf: - type: string maxLength: 2048 - type: 'null' support_url: anyOf: - type: string maxLength: 2048 - type: 'null' support_email: anyOf: - type: string maxLength: 320 - type: 'null' logo: description: >- A PNG, JPEG, WebP or SVG image of 256 KB at most, in base64, or null to remove the logo. anyOf: - type: string maxLength: 400000 pattern: ^[A-Za-z0-9+/]*={0,2}$ - type: 'null' favicon: description: The same, for the favicon. anyOf: - type: string maxLength: 400000 pattern: ^[A-Za-z0-9+/]*={0,2}$ - type: 'null' additionalProperties: false PartnerBrand: type: object properties: name: type: string subdomain: type: - string - 'null' subdomain_url: type: - string - 'null' logo_url: type: - string - 'null' favicon_url: type: - string - 'null' color: description: 'Hex color, such as #0f766e.' type: - string - 'null' terms_url: type: - string - 'null' privacy_url: type: - string - 'null' support_url: type: - string - 'null' support_email: description: Where replies to the partner's emails go. type: - string - 'null' required: - name - subdomain - subdomain_url - logo_url - favicon_url - color - terms_url - privacy_url - support_url - support_email additionalProperties: false Error: type: object properties: error: type: object properties: code: type: string enum: - invalid_request - unauthorized - forbidden - insufficient_scope - not_found - conflict - idempotency_key_reused - idempotency_request_in_progress - booking_disabled - booking_requires_confirmation - slot_unavailable - rate_limited - rate_limit_unavailable - method_not_allowed - internal_error - business_required - key_owner_inactive - plan_limit_reached - phone_numbers_unavailable message: type: string details: type: array items: type: object properties: path: type: string message: type: string required: - path - message additionalProperties: false required: - code - message additionalProperties: false required: - error additionalProperties: false securitySchemes: bearerAuth: type: http scheme: bearer description: >- An API key from Settings > API keys (lsk_...), which acts on its own business, or a platform key from the PLATFORM_API_KEYS setting (lsp_...), which onboards and manages businesses. Scopes: business:read, business:write, calls:read, contacts:read, contacts:write, appointments:read, appointments:write, messages:read, knowledge:read, knowledge:write, webhooks:manage, billing:manage, phone_numbers:manage, team:manage, businesses:create, users:create, phone_numbers:purchase, partner:read, partner.businesses:write, partner.demos:write, partner.packages:write, partner.branding:write, partner.templates:write, partner.team:write, partner.billing:read, partner.billing:write. Only platform keys can hold businesses:create and users:create, and only a key a partner made in its console can hold the partner scopes, which the Partner endpoints use. Only a partner's owners grant partner.billing:read and partner.billing:write. ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.