{"service":"ArgonautWorks Crypto Headline Pulse","purpose":"Fresh crypto news and source-linked Bitcoin, Ethereum, Base, and market headlines from four independent publisher feeds, with deterministic topic filtering and no generated claims.","endpoint":"GET with topic and limit query parameters or POST JSON to /api/v1/headlines","price":"$0.007","settlement":{"protocol":"x402","network":"eip155:8453","asset":"USDC"},"publishers":["CoinDesk","Decrypt","Ethereum Foundation","The Block"],"health":"/health","openapi":"/openapi.json","agent_card":"/.well-known/agent-card.json","x402_manifest":"/.well-known/x402","free_sample":"/sample","agentcash":{"get":"npx -y agentcash fetch 'https://argonaut-crypto-headline-pulse.vercel.app/api/v1/headlines?topic=base&limit=5' --payment-network base --max-amount 0.007 --yes --format json","post":"npx -y agentcash fetch 'https://argonaut-crypto-headline-pulse.vercel.app/api/v1/headlines' --method POST --body '{\"topic\":\"ethereum\",\"limit\":5}' --header 'content-type: application/json' --payment-network base --max-amount 0.007 --yes --format json"},"source":"https://github.com/ArgonautWorks/crypto-headline-pulse"}