{"name":"onyx_solana_wallet_activity","tier":"metered","price_usdc":"0.002","endpoint":"https://onyx-actions.onrender.com/v1/onyx_solana_wallet_activity","method":"POST","input_schema":{"type":"object","properties":{"wallet":{"type":"string","description":"base58-encoded Solana wallet address"},"limit":{"type":"integer","description":"Number of recent signatures (1-100, default 25)","default":25}},"required":["wallet"]},"description":"Recent on-chain activity for any Solana wallet. Returns the last N signatures (default 25, max 100) with slot, block_time, status, fee, and best-effort program/action classification (swap, transfer, stake, NFT). Designed for whale-watching, copy-trading, and risk-monitoring agents that need a sub-second feed without managing their own RPC. Cheaper than Helius webhooks ($25/mo) and Birdeye wallet-portfolio ($0.002 + API key). x402-direct, no signup.","when_to_use":"Use for whale-watching, copy-trading, or KYT agents that need to know what a wallet just did on Solana. Returns recent signatures with program/action tags so the agent doesn't need a second call per signature.","vs_alternatives":"Helius webhooks: $25/mo subscription. Birdeye wallet-portfolio: $0.002 + API key. Solscan API: rate-limited, no real-time. Onyx $0.002 per call, no signup, x402-direct.","example_request":{"wallet":"9WzDXwBbmkg8ZTbNMqUxvQRAyrZzDsGYdLVL9zYtAWWM","limit":25},"example_response":{"wallet":"9WzD...AWWM","count":25,"error_count":0,"activity":[{"signature":"5xj7...","status":"success","actions":["jupiter_swap","spl_token"]}],"elapsed_ms":410},"settle_to":"0x3fD9ee1373562f894D322B37DFFAd7a5D2b2d78f","network":"base","facilitator":"https://facilitator.xpay.sh","payment_required":true,"free_introspection":true,"note":"GET this URL = free introspection card. POST with x402 payment header to call."}