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yt Quick YouTube lookup via TranscriptAPI.com . Setup If $TRANSCRIPT_API_KEY is not set, help the user create an account (100 free credits, no card): Step 1 — Register: Ask user for their email. node ./scripts/tapi-auth.js register --email USER_EMAIL → OTP sent to email. Ask user: "Check your email for a 6-digit verification code." Step 2 — Verify: Once user provides the OTP: node ./scripts/tapi-auth.js verify --token TOKEN_FROM_STEP_1 --otp CODE API key saved to your shell profile and agent config. Ready to use. Manual option: transcriptapi.com/signup → Dashboard → API Keys. API Reference Full OpenAPI spec: transcriptapi.com/openapi.json — consult this for the latest parameters and schemas. Transcript — 1 credit curl -s "https://transcriptapi.com/api/v2/youtube/transcript\ ?video_url=VIDEO_URL&format=text&include_timestamp=true&send_metadata=true" \ -H "Authorization: Bearer $TRANSCRIPT_API_KEY " Search — 1 credit curl -s "https://transcriptapi.com/api/v2/youtube/search?q=QUERY&type=video&limit=10" \ -H "Authorization: Bearer $TRANSCRIPT_API_KEY " Param Default Values q — 1-200 chars (required) type video video , channel limit 20 1-50 Channel latest — FREE curl -s "https://transcriptapi.com/api/v2/youtube/channel/latest?channel=@TED" \ -H "Authorization: Bearer $TRANSCRIPT_API_KEY " Returns last 15 videos with exact view counts and publish dates. Accepts @handle , channel URL, or UC... ID. Resolve handle — FREE curl -s "https://transcriptapi.com/api/v2/youtube/channel/resolve?input=@TED" \ -H "Authorization: Bearer $TRANSCRIPT_API_KEY " Use to convert @handle to UC... channel ID. Errors Code Action 402 No credits — transcriptapi.com/billing 404 Not found / no captions 408 Timeout — retry once Free tier: 100 credits. Search and transcript cost 1 credit. Channel latest and resolve are free.