{"sample":true,"example_data":true,"note":"Static example with the real response shape of /bundle/brief-sentiment-perps. Not live data; values are illustrative and do not change. The live route is paid per call via x402 (USDC on Base, eip155:8453); no account, no API key, no subscription.","paid_route":{"method":"GET","path":"/bundle/brief-sentiment-perps","url":"https://cryptofeed402.site/bundle/brief-sentiment-perps?symbol=BTC","price":"$0.012","currency":"USDC","network":"eip155:8453","payment":"x402"},"route":"/bundle/brief-sentiment-perps","symbol":"BTC","includes":["brief","sentiment","perps"],"price_usd":0.012,"brief":{"generated_at":"2026-11-05T12:00:00.000Z","headline":"Sample headline"},"sentiment":{"symbol":"BTC","score":0.1,"label":"neutral"},"perps":{"symbol":"BTC","venue":"hyperliquid","schema_version":"1.1.0"},"billing":"Charged only for this fresh 200. 404, 503 and stale replies are not charged.","disclaimer":"Automated data for AI agents. Not financial advice."}