Facebook Ad Library

Ad Details

per_call

Returns everything the Ad Library exposes for one ad: creative body and headline text, call-to-action, image and video assets, landing page, platforms it runs on, start and stop dates, and impression or spend ranges where disclosed. The unit of analysis for competitive ad research.

Endpoint

GET /v1/facebook-ad-library/ad-details

Price

$1.50

per 1,000 calls · $0.0015 per call

Cost per call

1 credit

Failed calls never charged

Parameters

target

required

string

The Facebook Ad Library handle, URL or identifier to resolve.

limit

optional

integer

Items to return for list responses. Default 10, max 100.

cursor

optional

string

Pagination cursor returned by a previous response.

Example request

Sandbox calls return deterministic sample data in the live payload shape.

curl

curl "https://api.fastfetchz.com/v1/facebook-ad-library/ad-details?target=nasa" \
  -H "X-API-Key: $FASTFETCHZ_KEY"

Example response

200 application/json

{
  "success": true,
  "service": {
    "platform": "Facebook Ad Library",
    "name": "Ad Details",
    "slug": "ad-details"
  },
  "credits_charged": 1,
  "credits_remaining": 99,
  "latency_ms": 214,
  "data": {
    "query": "nasa",
    "ads": [
      {
        "ad_id": "ad_172881",
        "advertiser": {
          "name": "Sandbox Advertiser 21",
          "page_id": "172881"
        },
        "creative": {
          "headline": "Try our product today",
          "body": "Sandbox ad copy.",
          "media_type": "video"
        },
        "first_seen": "2026-06-26T10:38:00.885Z",
        "last_seen": "2026-08-25T10:38:00.885Z",
        "platforms": [
          "feed",
          "stories"
        ],
        "estimated_impressions": {
          "lower": 10000,
          "upper": 50000
        }
      },
      {
        "ad_id": "ad_195262",
        "advertiser": {
          "name": "Sandbox Advertiser 22",
          "page_id": "195262"
        },
        "creative": {
          "headline": "Try our product today",
          "body": "Sandbox ad copy.",
          "media_type": "video"
        },
        "first_seen": "2026-06-25T10:38:00.885Z",
        "last_seen": "2026-08-24T10:38:00.885Z",
        "platforms": [
          "feed",
          "stories"
        ],
        "estimated_impressions": {
          "lower": 20000,
          "upper": 100000
        }
      }
    ]
  }
}

Error codes

StatusCodeMeaning

401invalid_api_keyMissing or unrecognized X-API-Key header. No credits are charged.

402insufficient_creditsYour balance is below the cost of the call. Top up to continue.

403account_suspended / key_revokedThe account is suspended or the key was revoked.

429rate_limitedThe key exceeded its monthly cap or the burst limit. Retry later.

500upstream_errorUnexpected failure while fulfilling the request. Not charged.