> ## Documentation Index > Fetch the complete documentation index at: https://docs.adside.ai/llms.txt > Use this file to discover all available pages before exploring further. # Create Ad Creative > Create a new ad creative with images, videos, text, and call-to-action buttons. Supports both image and video creatives with proper object_story_spec structure for Meta API compliance. ## OpenAPI ````yaml /api-reference/openapi.yaml post /meta/mcp#create_ad_creative openapi: 3.1.0 info: title: Multi-Source Ads API version: 1.0.0 description: >- Unified API for managing ad campaigns across Meta, LinkedIn, and Google. MCP tools are accessed via JSON-RPC 2.0 over HTTP (`POST /{source}/mcp`). Google Sheets/Drive endpoints use standard REST. servers: - url: https://api.adside.ai description: Production - url: http://localhost:3100 description: Local development security: - bearerAuth: [] tags: - name: Accounts description: '' - name: Ads description: '' - name: Analytics description: '' - name: Asset Groups description: '' - name: Assets description: '' - name: Audiences description: '' - name: Campaign Groups description: '' - name: Campaigns description: '' - name: Conversions description: '' - name: Creatives description: '' - name: Drive description: '' - name: Google description: '' - name: Google Ads description: '' - name: Google Tag Manager description: '' - name: Keywords description: '' - name: Linkedin description: '' - name: Meta description: '' - name: Meta Reporting description: '' - name: OAuth description: '' - name: Other description: '' - name: Reports description: '' - name: Sheets description: '' - name: Targeting description: '' - name: Tiktok description: '' - name: Workspace description: '' paths: /meta/mcp#create_ad_creative: post: tags: - Meta - Creatives summary: Create Ad Creative description: >- Create a new ad creative with images, videos, text, and call-to-action buttons. Supports both image and video creatives with proper object_story_spec structure for Meta API compliance. operationId: meta_create_ad_creative requestBody: required: true content: application/json: schema: type: object required: - jsonrpc - method - params properties: jsonrpc: type: string const: '2.0' id: type: string example: '1' method: type: string const: tools/call params: type: object required: - name - arguments properties: name: type: string const: create_ad_creative arguments: $ref: '#/components/schemas/meta_create_ad_creative_input' responses: '200': description: JSON-RPC response with tool result content: application/json: schema: $ref: '#/components/schemas/McpToolResponse' '401': description: Missing or invalid API key content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '403': description: Channel not connected or access denied content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '429': description: Rate limit exceeded content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' security: - bearerAuth: [] components: schemas: meta_create_ad_creative_input: type: object properties: account_id: description: Meta Ad Account ID (uses configured account if not provided) type: string name: type: string minLength: 1 description: Creative name page_id: type: string description: Facebook Page ID (required for object_story_spec) message: description: >- Primary ad text/message (single-variant). Mutually exclusive with `bodies`. type: string maxLength: 1024 headline: description: >- Ad title/headline (single-variant). Mutually exclusive with `titles`. type: string maxLength: 255 bodies: description: >- Multi-variant primary texts (1–5). When set, the creative is built with asset_feed_spec and must be attached to a Dynamic Creative ad set. minItems: 1 maxItems: 5 type: array items: type: string minLength: 1 maxLength: 1024 titles: description: Multi-variant headlines (1–5). Pair with `bodies`. minItems: 1 maxItems: 5 type: array items: type: string minLength: 1 maxLength: 255 descriptions: description: Multi-variant descriptions (0–5). Pair with `bodies`. maxItems: 5 type: array items: type: string minLength: 1 maxLength: 255 picture: description: External image URL - must be publicly accessible type: string format: uri image_hash: description: Pre-uploaded image hash (alternative to picture URL) type: string video_id: description: Video ID for video creatives type: string call_to_action_type: description: Call to action button type (40+ supported types) type: string enum: - LEARN_MORE - SHOP_NOW - SIGN_UP - DOWNLOAD - BOOK_TRAVEL - LISTEN_MUSIC - WATCH_VIDEO - GET_QUOTE - CONTACT_US - APPLY_NOW - GET_DIRECTIONS - CALL_NOW - MESSAGE_PAGE - SUBSCRIBE - BOOK_NOW - ORDER_NOW - DONATE_NOW - SAY_THANKS - SELL_NOW - SHARE - OPEN_LINK - LIKE_PAGE - FOLLOW_PAGE - FOLLOW_USER - REQUEST_TIME - VISIT_PAGES_FEED - USE_APP - PLAY_GAME - INSTALL_APP - USE_MOBILE_APP - INSTALL_MOBILE_APP - OPEN_MOVIES - AUDIO_CALL - VIDEO_CALL - GET_OFFER - GET_OFFER_VIEW - BUY_NOW - ADD_TO_CART - SELL - GIFT_WRAP - MAKE_AN_OFFER - BUY_TICKETS - EXPLORE_MORE - GET_PROMOTIONS - GET_SHOWTIMES - LISTEN_NOW - SAVE - SEE_DETAILS - SEE_MENU - WATCH_MORE - WHATSAPP_MESSAGE link_url: type: string format: uri description: Destination URL where users will be directed when clicking the ad description: description: Additional description text type: string maxLength: 255 instagram_actor_id: description: Instagram account ID for cross-posting type: string adlabels: description: Ad labels for organization and tracking type: array items: type: string enable_standard_enhancements: default: false description: Enable Standard Enhancements with individual feature control type: boolean enhancement_features: description: Individual enhancement feature controls type: object properties: enhance_cta: default: true description: Enhance call-to-action buttons type: boolean image_brightness_and_contrast: default: true description: Auto-adjust image brightness and contrast type: boolean text_improvements: default: true description: Improve ad text readability type: boolean image_templates: default: false description: Apply image templates and frames type: boolean attachment_style: default: link description: Attachment style for link ads type: string enum: - link - album caption: description: Caption text (typically domain name) type: string url_tags: description: >- URL tags appended to the link URL for tracking (e.g. utm_source=...&utm_medium=...) type: string required: - name - page_id - link_url $schema: http://json-schema.org/draft-07/schema# McpToolResponse: type: object properties: jsonrpc: type: string const: '2.0' id: type: string result: type: object properties: content: type: array items: type: object properties: type: type: string const: text text: type: string description: JSON-stringified tool result ErrorResponse: type: object properties: error: type: string description: Error message code: type: string enum: - UNAUTHORIZED - FORBIDDEN - NOT_FOUND - RATE_LIMITED - INTERNAL_ERROR description: Error code securitySchemes: bearerAuth: type: http scheme: bearer description: >- API key (sk_live_*) — SHA256 hashed, looked up in Redis. Generate via the web app's workspace settings. ````