[verdict][prompt curatoriat][sursă: transcriptapi.com][traducere: la coadă]
Pot să vibecodez TranscriptAPI?
// se construiește într-un weekend, dar rămân goluri reale
The happy path is genuinely a one-sitting build: the open-source youtube-transcript-api library fetches a caption track in a few lines, and wrapping it in FastAPI gives you a working personal endpoint. The honest gap is reliability. YouTube rate-limits and IP-blocks caption scraping at any real volume, so the DIY version works until it suddenly does not, and there is no fix without a rotating proxy pool you must rent and operate. The paid product is not selling the parsing; it is selling the unblocked pipe, plus search and playlist endpoints on top.
încredere: ridicată
ce e: YouTube video transcripts as JSON with timestamps, search and playlist endpoints.
Indice de constructibilitate · joc editorial
- Preț de la 5 $ · la consum greutate: plus 1
- Timp o sesiune greutate: plus 3
- Categorie unelte pentru dezvoltatori nu cântărește
- Moat scara infrastructurii · calitatea execuției greutate: minus 3
- Încredere ridicată greutate: plus 1
- Ce pierzi 4 elemente greutate: minus 2
- Site transcriptapi.com (si apre in una nuova scheda) nu cântărește
Se anulează. E cazul în care decide cât de tare te enervează abonamentul.
Gioco editoriale: il verdetto dice se un agente può, l’indice se conviene.
Ce construiești
A FastAPI endpoint that takes a YouTube URL and returns the caption track as timestamped JSON.
ce îți trebuie
- Python 3.11
- a rotating proxy pool if you use it at any volume
The one-sitting build is real; the reliability at volume is the product.
Promptul
Un weekend cu un agent de coding. Golurile care rămân sunt mai jos, la „ce pierzi”.
Build me a small YouTube transcript API service, a personal stand-in for TranscriptAPI.
Requirements:
- Python 3.11 stack: FastAPI, uvicorn, and the youtube-transcript-api library; no
database, one file plus a README is fine.
- GET /transcript?video=<id-or-url>: extract the video id, fetch the caption track,
return JSON with the full text plus timestamped segments.
- Support lang= with a sensible fallback to the first available track, and report
which track was actually used in the response.
- Clean JSON errors: 404 when captions are disabled or missing, 502 when YouTube
blocks the fetch; never a bare 500.
- Read an optional comma-separated PROXIES var from .env and rotate per request;
with none set, run direct.
- GET /health returning version and uptime.
- A tiny CLI example in the README: curl the endpoint, jq out the text.
- Keep it stateless and private: no accounts, no API keys, no telemetry, no storage.
- README must be honest about the failure mode: at any real volume YouTube
rate-limits and IP-blocks caption fetches, and this build has no defense.
- Out of scope, deliberately: the rotating proxy pool and anti-blocking
infrastructure, channel/playlist/search endpoints, bulk throughput, and SLAs.
That reliability layer is the thing the paid product actually sells.Prompt curatoriat: scris și revizuit manual pentru această aplicație. În engleză intenționat — e limba în care agenții de coding se descurcă cel mai bine.
Ce pierzi
- staying unblocked when YouTube rate-limits caption fetches
- search, channel and playlist endpoints
- reliability at bulk volume
- an SLA and support when YouTube changes something
De ce se plătește în continuare
The parse was never the hard part. Holding a durable, unblocked pipe into YouTube captions at volume is an operations problem that costs real money to run, and buying it for 5 USD a month is cheaper than renting proxies and babysitting them.
moat: Scara infrastructurii Calitatea execuției ce e un moat
rotating proxy fleet and anti-blocking operations at volume
Cine l-a construit deja
Să pornești de aici e tot vibecoding: promptul e pentru când o vrei exact în felul tău.
- youtube-transcript-api (se deschide într-o filă nouă) — open-source Python library for the core caption fetch
Ești de acord?
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