API Reference › LinkedIn Ads › add_linkedin_creative

add_linkedin_creative

LinkedIn Ads Write

**USE THIS TOOL WHEN:** User wants to add another IMAGE ad/creative to an EXISTING LinkedIn image campaign

Endpoint

POST https://api.adspirer.ai/api/v1/tools/add_linkedin_creative/execute

Headers

Description

**USE THIS TOOL WHEN:** User wants to add another IMAGE ad/creative to an EXISTING LinkedIn image campaign. **DO NOT USE to create a new campaign.** For new campaigns: - Image → `create_linkedin_image_campaign` - Video → `create_linkedin_video_campaign` - Carousel → `create_linkedin_carousel_campaign` - Text → `create_linkedin_text_campaign` **DO NOT USE for different audiences/targeting.** For different audiences: → Use `add_linkedin_campaign_to_group` instead (creates a new campaign in the same group). **KEY DISTINCTION:** - Same audience, different creative/copy → use THIS tool - Different audience/targeting → use `add_linkedin_campaign_to_group` instead **Common scenarios:** - A/B test ad copy: Different headlines, introductory text, or CTAs - A/B test images: Different images for same audience - LinkedIn recommends 4+ ads per campaign for optimal performance Required Parameters: - campaign_id: Campaign to add creative to - organization_id: Organization for ad authoring - image_urn: Image asset URN - introductory_text: Main ad copy - landing_page_url: Destination URL AD POLICY: NEVER use "LinkedIn" in ad copy. NEVER mention competitor platforms. Execution time: 5-10 seconds

Request body

All tool arguments are wrapped in an arguments object.

FieldTypeDescription
campaign_idstring requiredCampaign ID to add creative to
organization_idstring requiredOrganization ID for ad authoring
account_idstring optionalLinkedIn Ad Account ID. Required for multi-account users. Get from list_connected_accounts.
image_urnstring requiredImage asset URN from discover_linkedin_assets or validate_and_prepare_linkedin_assets
introductory_textstring requiredMain ad text/copy (up to 600 characters)
landing_page_urlstring requiredDestination URL where users will be directed
headlinestring optionalAd headline (up to 70 characters)
call_to_actionstring optionalCall-to-action button label default: "LEARN_MORE"
creative_namestring optionalName for this creative (shown in Campaign Manager UI). E.g. 'Summer Sale - Ad 2'

Example request

{
  "arguments": {
    "campaign_id": "<campaign_id>",
    "organization_id": "string",
    "image_urn": "string",
    "introductory_text": "string",
    "landing_page_url": "https://example.com",
    "account_id": "string",
    "headline": "string",
    "call_to_action": "LEARN_MORE",
    "creative_name": "string"
  }
}

Example responses

200 — Success

{
  "success": true,
  "data": {
    "text": "(tool-specific textual output for add_linkedin_creative)",
    "quota": {
      "used": 42,
      "limit": 150,
      "tier": "plus",
      "period_end": "2026-05-01"
    }
  },
  "tool": "add_linkedin_creative"
}

400 — Tool-level error (bad arguments / multi-account selection)

{
  "success": false,
  "error": "You have 25 meta_ads accounts connected. Please specify which account to use by passing the ad_account_id parameter:\n  - Acme Holdings (ad_account_id=\"act_123456789\")\n  - Acme EU (ad_account_id=\"act_987654321\")",
  "is_error": true,
  "tool": "add_linkedin_creative"
}

402 — Quota exhausted

{
  "success": false,
  "error": "\ud83d\udea8 Monthly limit reached (150/150 tool calls on Plus tier).\nUpgrade to Pro at https://adspirer.ai to keep building.",
  "is_error": true,
  "tool": "add_linkedin_creative",
  "quota": {
    "used": 150,
    "limit": 150,
    "tier": "plus",
    "period_end": "2026-05-01",
    "upgrade_url": "https://adspirer.ai"
  }
}

Try it live

Interactive: Swagger UI

Machine-readable: OpenAPI 3.1 spec · llms-full.txt

More tools: LinkedIn Ads · All tools

Adspirer REST API — get an API key at adspirer.ai/keys · adspirer.ai