News search: recent headlines on any topic from 1,000s of outlets. Use when an agent needs what happened in the last 1-7 days. Pass q (keywords). Returns deduplicated headlines with outlet, link, publish time and match score, from the GDELT global news index, major-outlet feeds and Hacker News. 0.005 USDC (Base/Polygon/Arbitrum/Solana/Avalanche/Sei). Errors are never charged: 400 bad input, 422 nothing found or target unreachable, 503 busy.