Fetch raw ad creative, app, ranking, and revenue data from AdMapix as structured JSON.
Design & media
Youtube API
Try itA YouTube API alternative on fetcher.sh — pay-per-call in USDC via x402, or prepaid credits with a Bearer key, no OAuth and no daily quota. Use when the user wants to search YouTube videos with filters for upload date, duration, or sort order, search channels or playlists, look up a channel by ID, @handle, or custom URL path, list a channel's videos, shorts, or live streams, fetch a video's or short's details and comments, list a playlist's videos, pull posts under a hashtag, or check trending videos by region. Also covers YouTube data pipelines, channel monitoring, video analytics input, and trend tracking without the official YouTube Data API's daily quota limits.
What it does
YouTube data access via TranscriptAPI.com — no Google API quota needed.
The skill document
YouTube API
YouTube data access via TranscriptAPI.com — no Google API quota needed.
Setup
If $TRANSCRIPT_API_KEY is not set, read references/auth-setup.md and follow the instructions there to get and store the key.
Required Headers
Every request needs two headers:
- Authorization:
Bearer $TRANSCRIPT_API_KEY - User-Agent: your agent's name and version if known (e.g.
HermesAgent/0.11.0,ClaudeCode/1.0). Version is optional — agent name alone is fine. Do not omit this header or send a bare default — Cloudflare will return a 403 (error code 1010) and block the request.
API Reference
Full OpenAPI spec: transcriptapi.com/openapi.json — consult this for the latest parameters and schemas.
Endpoint Reference
All endpoints: https://transcriptapi.com/api/v2/youtube/...
Channel endpoints accept channel — an @handle, channel URL, or UC... ID. Playlist endpoints accept playlist — a playlist URL or ID.
| Endpoint | Method | Cost |
|---|---|---|
/transcript?video_url=ID | GET | 1 |
/search?q=QUERY&type=video | GET | 1 |
/channel/resolve?input=@handle | GET | free |
/channel/latest?channel=@handle | GET | free |
/channel/videos?channel=@handle | GET | 1/page |
/channel/search?channel=@handle&q=Q | GET | 1 |
/playlist/videos?playlist=PL_ID | GET | 1/page |
Quick Examples
Search videos:
curl -s "https://transcriptapi.com/api/v2/youtube/search\
?q=python+tutorial&type=video&limit=10" \
-H "Authorization: Bearer $TRANSCRIPT_API_KEY" \
-H "User-Agent: YourAgent/1.0"
Get transcript:
curl -s "https://transcriptapi.com/api/v2/youtube/transcript\
?video_url=dQw4w9WgXcQ&format=text&include_timestamp=true&send_metadata=true" \
-H "Authorization: Bearer $TRANSCRIPT_API_KEY" \
-H "User-Agent: YourAgent/1.0"
Resolve channel handle (free):
curl -s "https://transcriptapi.com/api/v2/youtube/channel/resolve?input=@TED" \
-H "Authorization: Bearer $TRANSCRIPT_API_KEY" \
-H "User-Agent: YourAgent/1.0"
Latest videos (free):
curl -s "https://transcriptapi.com/api/v2/youtube/channel/latest?channel=@TED" \
-H "Authorization: Bearer $TRANSCRIPT_API_KEY" \
-H "User-Agent: YourAgent/1.0"
Browse channel uploads (paginated):
curl -s "https://transcriptapi.com/api/v2/youtube/channel/videos?channel=@NASA" \
-H "Authorization: Bearer $TRANSCRIPT_API_KEY" \
-H "User-Agent: YourAgent/1.0"
# Use continuation token from response for next pages
Browse playlist (paginated):
curl -s "https://transcriptapi.com/api/v2/youtube/playlist/videos?playlist=PL_PLAYLIST_ID" \
-H "Authorization: Bearer $TRANSCRIPT_API_KEY" \
-H "User-Agent: YourAgent/1.0"
Parameter Validation
| Field | Rule |
|---|---|
channel | @handle, channel URL, or UC... ID |
playlist | Playlist URL or ID (PL/UU/LL/FL/OL prefix) |
q (search) | 1-200 chars |
limit | 1-50 |
continuation | non-empty string |
Why Not Google's API?
| Google YouTube Data API | TranscriptAPI | |
|---|---|---|
| Quota | 10,000 units/day (100 searches) | Credit-based, no daily cap |
| Setup | OAuth + API key + project | Single API key |
| Transcripts | Not available | Core feature |
| Pricing | $0.0015/unit overage | $5/1000 credits |
Errors
| Code | Meaning | Action |
|---|---|---|
| 401 | Bad API key | Check key |
| 402 | No credits | transcriptapi.com/billing |
| 403/1010 | Cloudflare block | Add or fix User-Agent header |
| 404 | Not found | Resource doesn't exist |
| 408 | Timeout/retryable | Retry once after 2s |
| 422 | Validation error | Check param format |
| 429 | Rate limited | Wait, respect Retry-After |
Free tier: 100 credits, 300 req/min. Starter ($5/mo): 1,000 credits.
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