{"name":"TradeSignal Feed · subscription","description":"TradeSignal subscription bought with one x402 call, 30 days: basic 39 USDC (/watch, 60 s poll), pro 99 (30 s poll and 2,000 calls on every surface) or desk 199 (15 s, 10,000 calls, priority); a token with expiry plus a whitelist of the paying address; GET /watch answers 200 with new setups or 204, never a per-call price.","category":"crypto-trading-signals","paid":{"method":"POST","endpoint":"https://angel.oroboros-design.com/agenten/signal/subscription","short":"https://angel.oroboros-design.com/subscription","body":{"plan":"basic | pro | desk","symbols":["BTCUSDT","ETHUSDT"],"bias":"long"},"days":30,"pay":"x402 v2 (PAYMENT-SIGNATURE) or USDC transfer + X-PAYMENT-TX — one call, no form, no login, no e-mail"},"plans":{"basic":{"price_usd":"39.00","includes":"/watch, 20 pairs, 60 s poll","poll_seconds":60,"bundle_calls":0},"pro":{"price_usd":"99.00","includes":"/watch every 30 s + 2,000 calls on every surface","poll_seconds":30,"bundle_calls":2000},"desk":{"price_usd":"199.00","includes":"/watch every 15 s + 10,000 calls on every surface, priority slot","poll_seconds":15,"bundle_calls":10000}},"watch":{"method":"GET","endpoint":"https://angel.oroboros-design.com/agenten/signal/watch","short":"https://angel.oroboros-design.com/watch","auth":["X-Subscription-Token: <token>","X-Payer-Address + X-Watch-Time + X-Watch-Signature (EIP-191 \"tradesignal-watch:<time>\")"],"answers":{"200":"new setups since your last poll","204":"nothing new — Retry-After"},"poll_seconds":"basic 60 · pro 30 · desk 15"},"renew":"pay again from the same address: +30 days on top of the remaining time","payTo":{"network":"eip155:8453","asset":"USDC","address":"0x0CAc7D3c89be4f478E4c8f713C0D3D2D0954678D"},"disclaimer":"Data, not investment advice."}