Kwai

GET /v1/kwai/post

Kwai Post API

Get a Kwai post — caption, author, and engagement fields as structured JSON.

17 credits per request

Try in Playground Get your API key — free Read the docs

TL;DR

Get a Kwai post — caption, author, and engagement fields as structured JSON. The Kwai Post API (Kwai) is a single authenticated GET request to /v1/kwai/post 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 Kwai Post API?

The Kwai Post API lets you fetch full metadata and key stats for Kwai post 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

Post 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

url*stringKwai video URL, e.g. https://www.kwai.com/@topfilmeseseriesnatv/video/5240932700689736196. 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.cacheoptionalbooleanSet true to serve from the 24h response cache. Default false — always fetch fresh data.

API keyoptionalPaste your key to get a ready-to-run snippet. It stays in your browser.Sign in to run live

curl "https://api.captapi.com/v1/kwai/post?url=https%3A%2F%2Fwww.kwai.com%2F%40topfilmeseseriesnatv%2Fvideo%2F5240932700689736196" \
  -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": "kwai",
    "id": "5240932700689736196",
    "url": "https://www.kwai.com/@topfilmeseseriesnatv/video/5240932700689736196",
    "text": "...",
    "transcript": "BANDIDO ESTAVA ESPERANDO ELE NA SAIDA DO BANCOBANDIDO ESTAVA ESPERANDO ELE NA SAIDA DO BANCO.",
    "publishedAt": "2026-01-24T00:50:13Z",
    "durationSeconds": 156,
    "thumbnailUrl": "https://aws-br-pic.kwai.net/upic/2026/01/24/08/BMjAyNjAxMjQwODQ4MTNfMTUwMDAxNDU1MDE5OTQ1XzE1MDExMDI4NTA4NDg3NF8yXzM=_oscn2_Befd2f922b58f2b5f72e4cb3c375d043d.webp",
    "videoUrl": "https://aws-br-cdn.kwai.net/upic/2026/01/24/08/BMjAyNjAxMjQwODQ4MTNfMTUwMDAxNDU1MDE5OTQ1XzE1MDExMDI4NTA4NDg3NF8yXzM=_b_Bf1ce0ec42b4fe4482cd50678b3abd2d4.mp4?tag=1-1784753172-s-0-afgxvdpz8w-4a78f339bd4accdf",
    "author": {
      "id": "3x9mhse7ekkvfa9",
      "username": "topfilmeseseriesnatv",
      "displayName": "Topseriesfilmetv",
      "avatar": "https://aws-br-pic.kwai.net/bs2/overseaHead/20250507231107_BMTUwMDAxNDU1MDE5OTQ1_t.jpg",
      "url": "https://www.kwai.com/@topfilmeseseriesnatv"
    },
    "engagement": {
      "views": 138841,
      "likes": 9232,
      "comments": 91,
      "shares": 169
    },
    "raw": {
      "id": "5240932700689736196",
      "caption": "...",
      "transcript": "BANDIDO ESTAVA ESPERANDO ELE NA SAIDA DO BANCOBANDIDO ESTAVA ESPERANDO ELE NA SAIDA DO BANCO. ",
      "createTime": "2026-01-24T00:50:13Z",
      "thumb": "https://aws-br-pic.kwai.net/upic/2026/01/24/08/BMjAyNjAxMjQwODQ4MTNfMTUwMDAxNDU1MDE5OTQ1XzE1MDExMDI4NTA4NDg3NF8yXzM=_oscn2_Befd2f922b58f2b5f72e4cb3c375d043d.webp",
      "url": "https://www.kwai.com/@topfilmeseseriesnatv/video/5240932700689736196",
      "authorMeta": {
        "id": "3x9mhse7ekkvfa9",
        "name": "Topseriesfilmetv",
        "username": "topfilmeseseriesnatv",
        "avatar": "https://aws-br-pic.kwai.net/bs2/overseaHead/20250507231107_BMTUwMDAxNDU1MDE5OTQ1_t.jpg",
        "url": "https://www.kwai.com/@topfilmeseseriesnatv",
        "type": "Person",
        "followersCount": 356909,
        "likesCount": 7616767
      },
      "duration": 156,
      "width": 720,
      "height": 1280,
      "playUrl": "https://aws-br-cdn.kwai.net/upic/2026/01/24/08/BMjAyNjAxMjQwODQ4MTNfMTUwMDAxNDU1MDE5OTQ1XzE1MDExMDI4NTA4NDg3NF8yXzM=_b_Bf1ce0ec42b4fe4482cd50678b3abd2d4.mp4?tag=1-1784753172-s-0-afgxvdpz8w-4a78f339bd4accdf",
      "likeCount": 9232,
      "commentCount": 91,
      "shareCount": 169,
      "viewCount": 138841,
      "genres": [
        "TV series",
        "Film&TV"
      ]
    }
  }
}

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.
transcriptComplete text transcript.
publishedAtPublish date (ISO 8601).
durationSecondsLength in seconds.
thumbnailUrlThumbnail image URL.
videoUrlDirect video file URL (CDN link); may be null when the platform does not expose one.
rawRaw upstream payload for advanced use (fields may change).

Author

The author object contains:

idStable platform ID for the item.
usernameAccount username / handle.
displayNameDisplay name of the account.
avatarAvatar image URL.
urlCanonical URL of the item.

Engagement

The engagement object contains:

viewsView count.
likesLike count.
commentsComment count.
sharesShare count.

Parameters

Name	Type	Required	Description
url	string	Yes	Kwai video URL, e.g. https://www.kwai.com/@topfilmeseseriesnatv/video/5240932700689736196. 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.
cache	boolean	No	Set 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 kwai_post via @captapi/mcp. Set it up →

How it works

1. Sign up — get 100 free credits, no card required.
2. Create a key from your dashboard.
3. Send one request to /v1/kwai/post 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 Kwai Post API do?+

The Kwai Post API lets you fetch full metadata and key stats from a public Kwai post using one GET request to /v1/kwai/post. It returns clean JSON — no OAuth or infrastructure setup required.

How many credits does the Kwai Post 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 Kwai 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 Kwai Post 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 Kwai APIs

Kwai Profile API Kwai User Posts API

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