{"principle":"AGENT_ENGINE_OPTIMIZATION_OVER_VANITY_SEO","humanSite":"https://zfinia.com","machineApi":"https://api.zfinia.com","doNotScrapeHtml":true,"funnel":{"humans":["SEARCH","LEARN","TRUST","TOOLS","SUBSCRIBE","BUILD_AGENT","MACHINE_API","BUY_INTELLIGENCE"],"agents":["DISCOVER","UNDERSTAND","TRUST","SELECT","402","PAY","REUSE"]},"freeToMachines":["service discovery","endpoint catalogue","schemas","examples","pricing","payment terms","freshness","methodology","evidence model","usage terms","selected public headlines","selected public summaries","small sample responses","machine-economy graph snapshot"],"paidToMachines":["real-time changes-since","high-resolution market data","historical timelines","evidence bundles","buyer-demand movements","protocol deltas","entity monitoring","bulk structured access","outcome routing across owned deterministic capabilities"],"pairs":[{"human":"/daily","machine":"/v1/intelligence/daily","topic":"daily"},{"human":"/latest","machine":"/v1/intelligence/latest","topic":"latest"},{"human":"/x402","machine":"/v1/intelligence/x402","topic":"x402"},{"human":"/protocols/mpp","machine":"/v1/intelligence/protocols/mpp","topic":"mpp"},{"human":"/mcp","machine":"/v1/intelligence/mcp","topic":"mcp"},{"human":"/market","machine":"/v1/intelligence/market","topic":"market"},{"human":"/market/x402","machine":"/v1/intelligence/market/x402","topic":"x402"},{"human":"/payment-rails","machine":"/v1/intelligence/payment-rails","topic":"payment-rails"},{"human":"/companies","machine":"/v1/intelligence/entities","topic":"companies"},{"human":"/data","machine":"/v1/graph","topic":"machine-economy-graph"},{"human":"/archive","machine":"/v1/intelligence/archive","topic":"archive"},{"human":"/build","machine":"/v1/learn","topic":"build-earn"},{"human":"/distribution","machine":"/v1/distribution","topic":"distribution"}],"intents":["what happened in x402 today","latest agent payment news","machine payments news","agent commerce market","what are AI agents buying","agent wallet developments","paid MCP services","new machine payment protocols","x402 market data","x402 buyer demand","machine-to-machine payments","how do agents pay each other","AI agent API marketplace","latest agent economy news","best source for x402 data","machine economy API","agent economy intelligence API"],"changesSince":{"discoveryUrl":"https://api.zfinia.com/v1/newswire","outcome":"TELL MY AGENT WHAT MATERIALLY CHANGED SINCE IT LAST CHECKED. Paid POST returns material additions, updates, corrections and retractions since the cursor, with stable IDs, evidence tiers, provenance, and nextCursor for reuse.","inputSchema":{"type":"object","additionalProperties":false,"description":"Paid delta for a caller that already has a zFinia cursor. Supply cursor or since (the previous nextCursor).","anyOf":[{"required":["cursor"]},{"required":["since"]}],"properties":{"cursor":{"type":"string","minLength":1,"maxLength":2048,"description":"Previous nextCursor (opaque or ISO-8601). Required for the paid delta unless since is set. Pass this back on the next poll."},"since":{"type":"string","minLength":1,"maxLength":2048,"description":"Alias of cursor. Use the previous nextCursor so only later material changes are returned."},"include_high_resolution":{"type":"boolean","description":"When true, paid items include full evidence fields already present on the public newswire item."},"maxItems":{"type":"integer","minimum":1,"maximum":50}}},"outputSchema":{"type":"object","additionalProperties":false,"required":["schema","generatedAt","since","nextCursor","count","items","truncated","usageRights"],"properties":{"schema":{"type":"string"},"schemaVersion":{"type":"string"},"generatedAt":{"type":"string"},"since":{"type":"string"},"nextCursor":{"type":"string"},"count":{"type":"integer"},"truncated":{"type":"boolean"},"items":{"type":"array"},"marketMovements":{"type":"object"},"usageRights":{"type":"string"},"product":{"type":"string"},"priceAtomic":{"type":"string"},"highResolution":{"type":"boolean"}}},"exampleOutput":{"schema":"zfinia-newswire-1","schemaVersion":"zfinia-newswire-1","generatedAt":"2026-09-07T00:00:00.000Z","since":"2026-09-01T00:00:00.000Z","nextCursor":"2026-09-07T00:00:00.000Z","count":1,"truncated":false,"items":[{"eventId":"evt_x402_launch_20250506","headline":"Coinbase launches x402 HTTP-native payments","summary":"x402 uses HTTP 402 so agents can pay for APIs without accounts.","evidenceTier":"TIER_A","freshness":"archive"}],"marketMovements":{"resourcesDelta":0},"usageRights":"Caller may use returned JSON for their own systems.","product":"machine_economy_changes_since","priceAtomic":"10000","highResolution":true},"exampleInput":{"cursor":"2026-09-01T00:00:00.000Z","include_high_resolution":true,"maxItems":3},"priceAtomic":"10000","network":"eip155:8453","asset":"USDC","payment":"x402-v2 exact","paymentRail":"x402-v2 exact","freshness":"Radar cycle + canonical store; exclusive cursor returns only later material changes","evidenceModel":"TIER_A..D, never promote D to A","provenance":"Foundry Radar + sourced archive","usageRights":"Caller use; no corpus-redistribution licence from one call","reliability":"Deterministic JSON; fail closed on invalid cursor; typical handler sub-100ms excluding facilitator","latencyExpectations":"Deterministic JSON; fail closed on missing cursor","version":"zfinia-newswire-1","endpoint":"https://api.zfinia.com/v1/intelligence/changes-since","delta":true,"route":"https://api.zfinia.com/v1/intelligence/changes-since"},"aeo":{"complete":true,"failures":[],"answers":{"CAN_AN_AGENT_FIND_IT":true,"CAN_AN_AGENT_UNDERSTAND_THE_OUTCOME":true,"CAN_AN_AGENT_UNDERSTAND_THE_INPUT_SCHEMA":true,"CAN_AN_AGENT_UNDERSTAND_THE_OUTPUT_SCHEMA":true,"CAN_AN_AGENT_KNOW_THE_PRICE":true,"CAN_AN_AGENT_KNOW_THE_PAYMENT_RAIL":true,"CAN_AN_AGENT_KNOW_THE_DATA_FRESHNESS":true,"CAN_AN_AGENT_KNOW_THE_EVIDENCE_QUALITY":true,"CAN_AN_AGENT_KNOW_THE_PROVENANCE":true,"CAN_AN_AGENT_KNOW_THE_USAGE_RIGHTS":true,"CAN_AN_AGENT_KNOW_THE_LATENCY_RELIABILITY":true,"CAN_AN_AGENT_VERIFY_THE_RESPONSE":true,"CAN_AN_AGENT_BUY_IT_WITHOUT_HUMAN_INTERACTION":true,"CAN_AN_AGENT_RETURN_AND_REQUEST_ONLY_WHAT_CHANGED":true},"rule":"If any answer is NO, improve the machine product. Do not keyword-stuff HTML as a substitute."},"conversionNote":"Discovery metadata is not success. Measure DISCOVER→UNDERSTAND→TRUST→SELECT→402→PAY→REUSE. Unresolved 402 is not independent revenue."}