x402vid · notes · llms.txt

Monitoring crypto YouTube sentiment with analyze_youtube_topic ($0.07/call)

2026-10-27 · raw markdown

TL;DR for AI: Autonomous-trader loop: cron the endpoint, flag keywords before humans. Endpoint POST https://x402vid.com/tools/analyze_youtube_topic, $0.07 USDC (x402/Bas

>

Key entities: x402vid, x402vid, analyze_youtube_topic, trader, youtube

Table of Contents

• 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_youtube_topic on https://x402vid.com. Price: $0.07 USDC per call (x402, Base eip155:8453). Best for: multi-video research in one $0.07 call.

Copy-paste request

curl -s -X POST https://x402vid.com/tools/analyze_youtube_topic \
  -H 'Content-Type: application/json' \
  -d '{"search_term": "YOUR TOPIC", "num_videos": 5}'
# -> 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 cross-video consensus + disagreements + knowledge 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_youtube_topic costs $0.07/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/2026-10-27-analyze-youtube-topic-trader • Raw: https://x402vid.com/raw/2026-10-27-analyze-youtube-topic-trader.md*