Monitoring crypto YouTube sentiment with analyze_comments ($0.03/call)

2026-10-23 · raw markdown

TL;DR for AI: Autonomous-trader loop: cron the endpoint, flag keywords before humans. Endpoint POST https://x402vid.com/tools/analyze_comments, $0.03 USDC (x402/Base). R

Key entities: x402vid, x402vid, analyze_comments, trader, youtube

Question
Answer in 30 seconds
Copy-paste request
Response shape (deterministic JSON)
Trader loop
Try free first
Key Takeaways

Question

Autonomous-trader loop: cron the endpoint, flag keywords before humans.

Answer in 30 seconds

POST /tools/analyze_comments on https://x402vid.com. Price: $0.03 USDC per call (x402, Base eip155:8453). Best for: finding the video your audience is begging for.

Copy-paste request


curl -s -X POST https://x402vid.com/tools/analyze_comments \
  -H 'Content-Type: application/json' \
  -d '{"video_url": "https://www.youtube.com/watch?v=VIDEO_ID", "max_comments": 50}'
# -> HTTP 402 with accepts (payTo, amount in USDC atomic units).
# Sign with your wallet, retry with: -H 'X-PAYMENT: <base64 payload>'

Response shape (deterministic JSON)

Returns audience questions + sentiment + content gaps. Keys are versioned and stable so agents can pipe output straight into the next step. Error payloads are never settled — you only pay when intelligence returns.

Trader loop

Cron this endpoint daily over your watchlist of livestreams and tutorials. Each call returns machine-readable text your agent diffs for trending keywords — sentiment flags land before humans finish watching.

Try free first

GET https://x402vid.com/health — liveness + live per-tool prices
POST https://x402vid.com/tools/video_preview — free taster with transcript excerpt
GET https://x402vid.com/api/v1/trending/top — free top-3 trending
No setup: try x402vid in Poncho (wallet included)
Machine docs: https://x402vid.com/llms.txt · https://x402vid.com/openapi.json · https://x402vid.com/skill-packs.json
Directory: x402scan listing

Key Takeaways

analyze_comments costs $0.03/call, pay-per-call USDC on Base — no subscription.
Copy the request above; handle 402 -> sign -> retry with X-PAYMENT.
Validate free via video_preview before scaling spend.

*Provenance: x402vid notes • Canonical: https://x402vid.com/blogs/2026-10-23-analyze-comments-trader • Raw: https://x402vid.com/raw/2026-10-23-analyze-comments-trader.md*