> ## Documentation Index > Fetch the complete documentation index at: https://docs.onlyfansapi.com/llms.txt > Use this file to discover all available pages before exploring further. # Update Custom Summary Category (/api-reference/fans-ai-summary/update-custom-summary-category) Update the label or keywords of a custom fan summary category. The field key is immutable so existing summaries keep their data. ## OpenAPI ````yaml https://app.onlyfansapi.com/scribe-docs/openapi.yaml put /api/fan-summary-categories/{category_id} openapi: 3.0.3 info: title: OnlyFans API description: "" version: 1.0.0 servers: - url: https://app.onlyfansapi.com security: - default: [] tags: - name: API Keys description: "" - name: Account description: Endpoints for your linked accounts - name: Analytics - Financial description: APIs for retrieving financial analytics data - name: Analytics - Summary description: APIs for retrieving summary analytics data - name: Banking description: Operations related to user banking details, payout methods, legal and tax information, and account country settings. - name: Banned Words description: Reference list of OnlyFans banned words used by the `blockBannedWords` screening parameter - name: Blocked / Restricted Users description: APIs for listing the users an account has blocked or restricted - name: Chargebacks description: "" - name: Chat Messages description: "" - name: Chats description: "" - name: Client Sessions description: "" - name: Connect OnlyFans Account description: "" - name: Data Exports description: APIs for managing data exports - name: Engagement / Messages description: "" - name: Fans description: APIs for managing OnlyFans fans (subscribers) - name: Fans - AI Summary description: APIs for generating and retrieving AI-powered fan profile summaries - name: Following description: APIs for managing OnlyFans followings (people you're subscribed to) - name: Free Trial Links description: APIs for managing Free Trial Links - name: Giphy description: "" - name: Link Tags description: APIs for managing tags on free trial links, tracking links, and Smart Links - name: Mass Messaging description: "" - name: Media description: "" - name: Media Vault description: "" - name: Media Vault Lists description: "" - name: Notifications description: Endpoints for managingr account notifications - name: Payouts description: "" - name: Post Comments description: "" - name: Post Labels description: APIs for managing your post labels - name: Posts description: APIs for managing OnlyFans posts - name: Promotions description: "" - name: Public Profiles description: "" - name: Queue description: "" - name: Release Forms description: APIs for managing OnlyFans release forms - name: Saved For Later (Messages) description: "" - name: Saved For Later (Posts) description: "" - name: Settings description: "" - name: Shared Free Trial Links description: APIs for Free Trial Links that other OF creators have shared with this account. Revenue, cost, and spender data are not available for shared links. - name: Shared Tracking Links description: APIs for Tracking Links (campaigns) that other OF creators have shared with this account. Revenue, cost, and spender data are not available for shared campaigns. - name: Smart Link Postbacks description: APIs for managing Smart Link postback destinations - name: Smart Links description: APIs for managing Smart Links (Free Trial Links and Tracking Links with pooled inventory) - name: Statistics description: "" - name: Stored Free Trial Links description: Instant APIs for retrieving stored free trial links from the OnlyFansAPI Cache (free, no credits used) - name: Stored Shared Free Trial Links description: Instant APIs for retrieving stored shared Free Trial Links from the OnlyFansAPI Cache (free, no credits used) - name: Stored Shared Tracking Links description: Instant APIs for retrieving stored shared Tracking Links (campaigns) from the OnlyFansAPI Cache (free, no credits used) - name: Stored Tracking Links description: Instant APIs for retrieving stored tracking links from the OnlyFansAPI Cache (free, no credits used) - name: Stories description: APIs for managing OnlyFans stories - name: Story Highlights description: APIs for managing OnlyFans story highlights - name: Subscription Bundles description: "" - name: Tracking Links description: APIs for managing tracking links - name: Transactions description: APIs for managing OnlyFans transactions - name: User List Collections description: "" - name: Users description: APIs for fetching OnlyFans users - name: Webhooks description: "" paths: /api/fan-summary-categories/{category_id}: parameters: - in: path name: category_id description: The ID of the category example: fan_cat_abc123 required: true schema: type: string put: summary: Update Custom Summary Category operationId: updateCustomSummaryCategory description: Update the label or keywords of a custom fan summary category. The field key is immutable so existing summaries keep their data. parameters: [] responses: "200": description: Success content: application/json: schema: type: object example: data: id: fan_cat_abc123 key: custom_gift_preferences label: Gift Preferences keywords: gift, wishlist, amazon, spoil, surprise, present created_at: 2026-07-17T12:00:00.000000Z properties: data: type: object properties: id: type: string example: fan_cat_abc123 key: type: string example: custom_gift_preferences label: type: string example: Gift Preferences keywords: type: string example: gift, wishlist, amazon, spoil, surprise, present created_at: type: string example: 2026-07-17T12:00:00.000000Z tags: - Fans - AI Summary requestBody: required: true content: application/json: schema: type: object properties: label: type: string description: Display label for the category. example: Gift Preferences keywords: type: string description: Comma-separated keywords used to find relevant fan messages for this category. example: gift, wishlist, amazon, spoil, surprise, present required: - label - keywords components: securitySchemes: default: type: http scheme: bearer description: Get your API Key from OnlyFansAPI Console - https://app.onlyfansapi.com/api-keys ````