Ad Library
GET /v1/ad-library/tiktok/ad-details

TikTok Ad Details API

Get a TikTok Ad Library ad — creative, advertiser, and delivery fields as structured JSON.

17 credits per request
TL;DR
Get a TikTok Ad Library ad — creative, advertiser, and delivery fields as structured JSON. The TikTok Ad Details API (Ad Library) is a single authenticated GET request to /v1/ad-library/tiktok/ad-details that responds with clean JSON and costs 17 credits. Pass cache=true for a free 24h cache hit; default is always fresh. Start with 100 free credits — no credit card.

What is the TikTok Ad Details API?

The TikTok Ad Details API lets you fetch full metadata and key stats for Ad Library tiktok ad details with a single REST call. No OAuth, no infrastructure to maintain, and no platform SDKs — send the request, get clean structured JSON back. Pass cache=true to serve from the 24h shared cache (0 credits on hit); default is always fresh.

What you get

  • TikTok Ad Details fields as clean structured JSON
  • IDs, URLs, and titles where the platform exposes them
  • Engagement or popularity signals when available
  • Stable IDs for joining with other endpoints

Try it

Open in Playground

Fill in the parameters below and copy a ready-to-run request, or open the live Playground to run it against your account (no API key paste).

Parameters

Sign in to run live
curl "https://api.captapi.com/v1/ad-library/tiktok/ad-details?url=https%3A%2F%2Flibrary.tiktok.com%2Fads%2Fdetail%2F%3Fad_id%3D1872034324356433" \
  -H "Authorization: Bearer capt_live_..."
# or: -H "x-api-key: capt_live_..."

Edit the parameters and the code updates instantly. Switch languages and hit copy.

Example response

{
  "success": true,
  "data": {
    "platform": "tiktok_ad_library",
    "id": "1872034324356433",
    "url": "https://library.tiktok.com/ads/detail/?ad_id=1872034324356433",
    "text": "#gandurilemele #foryoupage❤️❤️ Buna dimineața tuturor!Zi binecuvântata tuturor!🙏🙏🙏",
    "adFormat": "video",
    "firstShown": "07/29/2026",
    "lastShown": "07/29/2026",
    "advertiser": {
      "name": "alyalina535"
    },
    "media": [
      "https://library.tiktok.com/api/v1/cdn/1785356384/video/aHR0cHM6Ly92NzcudGlrdG9rY2RuLmNvbS8zYTU3ZmRiZjYzZGIzYjY5Nzc1NzA5ZjQ0ZTMwOGZkNC82YTZhYjUwZS92aWRlby90b3MvdXNlYXN0MmEvdG9zLXVzZWFzdDJhLXZlLTAwNjgtZXV0dHAvbzRJMXRCVHdBNUVFNlEzMW01emlpY1NNSUE0ZjlLQW53b0JMQ2sv/7467d396-0387-4b9f-90c7-2d2cd26db171?a=475769&bt=1049&btag=e00090000&bti=PDU2NmYwMy86&ft=.NpOcInz7ThRcbuGXq8Zmo&l=20260730041944142876664F10EA1EB193&mime_type=video_mp4&rc=NWZoZWU8ZDM6NDU3OGk6ZEBpM3Q0aHM5cjxsPDMzZjczNUA2YWM2MF9eXmExMWBeYDFgYSNnMjNmMmRzcGdhLS1kMTNzcw%3D%3D&signature=Qzo7c7UEa5N40yYL1KKsuy%2BR%2BCnqSwFptCMo9QOZPtQ%3D&vvpl=1"
    ]
  }
}

Billing metadata is returned in response headers: X-Captapi-Credits (credits charged), X-Captapi-Cache (hit or miss), and X-Captapi-Source. Failed requests (4xx/5xx) are never charged. See the full list of error codes in the error reference.

Response structure

A successful call returns success, cached, creditsUsed, and a data object with the following fields:

Top-level fields

  • platformPlatform identifier (e.g. youtube, instagram).
  • idStable platform ID for the item.
  • urlCanonical URL of the item.
  • textText content.
  • adFormatFormat of the ad creative.
  • firstShownWhen the ad was first shown.
  • lastShownWhen the ad was last shown.
  • mediaMedia attached to the item.

Advertiser

The advertiser object contains:

  • nameName of the item or account.

Parameters

NameTypeRequiredDescription
urlstringYesTikTok Ad Library URL or ad ID. The URL platform must match this endpoint's platform. Do not pass cross-platform URLs, e.g. YouTube to TikTok, Instagram to Facebook, LinkedIn to X/Twitter, or Pinterest to Rumble.
countrystringNoTwo-letter ISO country code. Default DE.
cachebooleanNoSet true to serve from the 24h response cache. Default false — always fetch fresh data.

Authentication: send your key as Authorization: Bearer capt_live_.... A typical call costs 17 credits. Pass cache=true for a free 24h cache hit; default is always fresh.

Using an AI agent? This endpoint is the MCP tool tiktok_ad_library_ad_details via @captapi/mcp. Set it up →

How it works

  1. 1. Sign up — get 100 free credits, no card required.
  2. 2. Create a key from your dashboard.
  3. 3. Send one request to /v1/ad-library/tiktok/ad-details and parse the JSON response.

Use cases

Analytics

Track views, likes, and engagement over time.

Competitor Monitoring

Benchmark the performance of other creators.

Dashboards

Power reporting and BI with real metadata.

Content Curation

Filter and rank videos by performance.

Frequently asked questions

What does the TikTok Ad Details API do?+

The TikTok Ad Details API lets you fetch full metadata and key stats from a public Ad Library ad using one GET request to /v1/ad-library/tiktok/ad-details. It returns clean JSON — no OAuth or infrastructure setup required.

How many credits does the TikTok Ad Details API cost?+

Each successful call costs 17 credits. Pass cache=true to serve from the 24h shared cache (0 credits on hit); default is always fresh. Failed or empty results are never charged.

Do I need a Ad Library API key or OAuth?+

No. A single Captapi key works across every platform Captapi supports — YouTube, TikTok, Instagram, Facebook, Twitter/X, Reddit, Threads, Bluesky, Pinterest, LinkedIn, Rumble, Spotify, Kwai, and more. We handle proxies, rate limits, retries, and authentication for you.

Is the TikTok Ad Details API suitable for production use?+

Yes. It is a stable REST endpoint with predictable JSON and automatic retries. Pass cache=true to serve from the 24h shared cache (0 credits on hit); default is always fresh. Use it for analytics, monitoring, and content automation.

More Ad Library APIs

Ready to use the TikTok Ad Details API?

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