{"schemaVersion":"zfinia-newswire-1","product":"zfinia-machine-newswire","since":"1970-01-01T00:00:00.000Z","generatedAt":"2026-09-10T11:52:26.151Z","nextCursor":"2026-09-10T11:52:26.151Z","count":6,"truncated":false,"materialOnly":false,"marketMovements":{"resourcesDelta":0,"distinctPayersDelta":0,"callsDelta":0,"newEntrants":0,"removedResources":0,"topFamilyChanged":false,"whatChanged":[]},"items":[{"eventId":"circle-discovery-api-2026-09-09","eventDate":"2026-09-09","publishedAt":"2026-09-10T08:50:00.000Z","observedAt":"2026-09-10T11:52:26.151Z","lastUpdatedAt":"2026-09-10T11:52:26.151Z","headline":"Circle opens a keyless x402 Discovery API for the Agent Marketplace","summary":"On 9 September 2026 Circle published that the full Agent Marketplace catalog is available from GET https://api.circle.com/v2/x402/discovery/resources with no API key, account or authentication. Each listing includes an accepts block (network, asset, amount, payTo) and metadata (provider, category, input schema, and payment-rail flags). Circle says listings are health-checked and seller payout wallets are sanctions-screened. This is a discovery catalog, not proof that any listed service has independent demand, and it is not a claim that zFinia is listed.","whyItMatters":"An agent can now search, price-filter and inspect a payable HTTP contract in one public call. That is a different job from browsing a human marketplace page, and it is still not a substitute for verifying the live 402 before money moves.","entities":["circle","x402","base"],"protocols":["x402"],"topics":["x402","discovery","agent-marketplaces","machine-payments"],"sourceURLs":["https://www.circle.com/blog/discover-the-whole-agent-marketplace-in-one-call","https://developers.circle.com/agent-stack/agent-marketplace/discovery-api","https://developers.circle.com/agent-stack/agent-marketplace","https://api.circle.com/v2/x402/discovery/resources"],"sourceTypes":["official_announcement"],"evidenceTier":"TIER_A","confidence":0.84,"corroborationCount":0,"marketData":null,"changeVsPrevious":{"resourcesDelta":0,"distinctPayersDelta":0,"callsDelta":0,"newEntrants":0,"removedResources":0,"topFamilyChanged":false,"whatChanged":[]},"freshness":"live","publicAnalysis":false,"usageRights":"Caller may use returned JSON for their own systems. A single call does not grant redistribution of the full zFinia corpus as a competing archive. HTML pages are not the canonical bulk database.","schemaVersion":"zfinia-newswire-1","firstPartyInterest":false,"retrospective":false,"slug":"circle-opens-a-keyless-x402-discovery-api","type":"official_announcement","newsroomState":"PUBLISHED","publisher":"Circle","correctionOf":null,"retracted":false},{"eventId":"x402-docs-seller-quickstart","eventDate":"2026-01-15","publishedAt":"2026-09-07T00:00:00.000Z","observedAt":"2026-09-10T11:52:26.151Z","lastUpdatedAt":"2026-09-10T11:52:26.151Z","headline":"x402 seller docs distinguish test facilitator from CDP mainnet","summary":"Official seller documentation instructs developers not to reuse https://x402.org/facilitator on mainnet routes. Production examples include the CDP facilitator at api.cdp.coinbase.com/platform/v2/x402 and facilitator.payai.network. Supported networks listed include Base mainnet eip155:8453 and Solana.","whyItMatters":"Facilitator choice is part of the live commercial path. Foundry’s receive-only rail already requires authenticated CDP on Base mainnet.","entities":["x402","cdp","payai","coinbase"],"protocols":["x402"],"topics":["x402","facilitators","base","discovery"],"sourceURLs":["https://docs.x402.org/getting-started/quickstart-for-sellers"],"sourceTypes":["authoritative_documentation"],"evidenceTier":"TIER_B","confidence":0.72,"corroborationCount":0,"marketData":null,"changeVsPrevious":{"resourcesDelta":0,"distinctPayersDelta":0,"callsDelta":0,"newEntrants":0,"removedResources":0,"topFamilyChanged":false,"whatChanged":[]},"freshness":"live","publicAnalysis":false,"usageRights":"Caller may use returned JSON for their own systems. A single call does not grant redistribution of the full zFinia corpus as a competing archive. HTML pages are not the canonical bulk database.","schemaVersion":"zfinia-newswire-1","firstPartyInterest":false,"retrospective":true,"slug":"x402-seller-quickstart-documents-cdp-and-payai-facilitators","type":"version_update","newsroomState":"PUBLISHED","publisher":"x402 docs","correctionOf":null,"retracted":false},{"eventId":"solana-x402-support","eventDate":"2026-01-15","publishedAt":"2026-09-07T00:00:00.000Z","observedAt":"2026-09-10T11:52:26.151Z","lastUpdatedAt":"2026-09-10T11:52:26.151Z","headline":"x402 seller docs list Solana alongside Base","summary":"Official seller documentation lists Base mainnet, Base Sepolia, Solana mainnet and Solana devnet as CAIP-2 identifiers. Foundry’s production policy remains Base USDC receive-only. Editorial coverage must not collapse the protocol to one chain.","whyItMatters":"Chain diversity is a routing and accounting problem for machine buyers.","entities":["x402","solana","base"],"protocols":["x402"],"topics":["x402","routing","settlement"],"sourceURLs":["https://docs.x402.org/getting-started/quickstart-for-sellers"],"sourceTypes":["authoritative_documentation"],"evidenceTier":"TIER_B","confidence":0.72,"corroborationCount":0,"marketData":null,"changeVsPrevious":{"resourcesDelta":0,"distinctPayersDelta":0,"callsDelta":0,"newEntrants":0,"removedResources":0,"topFamilyChanged":false,"whatChanged":[]},"freshness":"live","publicAnalysis":false,"usageRights":"Caller may use returned JSON for their own systems. A single call does not grant redistribution of the full zFinia corpus as a competing archive. HTML pages are not the canonical bulk database.","schemaVersion":"zfinia-newswire-1","firstPartyInterest":false,"retrospective":true,"slug":"x402-seller-docs-list-solana-alongside-base","type":"protocol_release","newsroomState":"PUBLISHED","publisher":"x402 docs","correctionOf":null,"retracted":false},{"eventId":"ethereum-pectra-2025-05-07","eventDate":"2025-05-07","publishedAt":"2026-09-07T00:00:00.000Z","observedAt":"2026-09-10T11:52:26.151Z","lastUpdatedAt":"2026-09-10T11:52:26.151Z","headline":"Ethereum’s Pectra upgrade lands on mainnet","summary":"On 7 May 2025 the Ethereum Foundation recorded the Pectra mainnet upgrade. Pectra is not an agent-payments protocol; it is base-layer plumbing that affects L2 costs and account features that wallets use. x402’s commercial claim still depends on cheap L2 fees remaining cheap.","whyItMatters":"If L2 fees spike, per-call USDC APIs degrade before any 402 spec text changes.","entities":["ethereum","base"],"protocols":["x402"],"topics":["settlement","stablecoins","x402"],"sourceURLs":["https://blog.ethereum.org/2025/05/07/pectra-mainnet"],"sourceTypes":["protocol_release"],"evidenceTier":"TIER_A","confidence":0.84,"corroborationCount":0,"marketData":null,"changeVsPrevious":{"resourcesDelta":0,"distinctPayersDelta":0,"callsDelta":0,"newEntrants":0,"removedResources":0,"topFamilyChanged":false,"whatChanged":[]},"freshness":"live","publicAnalysis":false,"usageRights":"Caller may use returned JSON for their own systems. A single call does not grant redistribution of the full zFinia corpus as a competing archive. HTML pages are not the canonical bulk database.","schemaVersion":"zfinia-newswire-1","firstPartyInterest":false,"retrospective":true,"slug":"ethereum-pectra-upgrade-lands-on-mainnet","type":"protocol_release","newsroomState":"PUBLISHED","publisher":"Ethereum Foundation Blog","correctionOf":null,"retracted":false},{"eventId":"coinbase-x402-2025-05-06","eventDate":"2025-05-06","publishedAt":"2026-09-07T00:00:00.000Z","observedAt":"2026-09-10T11:52:26.151Z","lastUpdatedAt":"2026-09-10T11:52:26.151Z","headline":"Coinbase introduces x402: stablecoin payments over HTTP 402","summary":"On 6 May 2025 Coinbase Developer Platform published x402. Servers return HTTP 402 with payment requirements; clients retry with a signed payment, typically USDC on cheap L2s such as Base. The announcement explicitly targets APIs, apps and AI agents. Documentation and a reference implementation were pointed at x402.org and GitHub.","whyItMatters":"This is the commercial priority-zero rail for Foundry and the centre of zFinia’s payment-rail coverage. It revives a reserved HTTP status as an internet-native checkout for machines.","entities":["coinbase","x402","base","cdp"],"protocols":["x402"],"topics":["x402","http-402","stablecoins","api-monetization","agent-payments"],"sourceURLs":["https://www.coinbase.com/developer-platform/discover/launches/x402"],"sourceTypes":["official_announcement"],"evidenceTier":"TIER_A","confidence":0.84,"corroborationCount":0,"marketData":null,"changeVsPrevious":{"resourcesDelta":0,"distinctPayersDelta":0,"callsDelta":0,"newEntrants":0,"removedResources":0,"topFamilyChanged":false,"whatChanged":[]},"freshness":"live","publicAnalysis":false,"usageRights":"Caller may use returned JSON for their own systems. A single call does not grant redistribution of the full zFinia corpus as a competing archive. HTML pages are not the canonical bulk database.","schemaVersion":"zfinia-newswire-1","firstPartyInterest":true,"retrospective":true,"slug":"coinbase-introduces-x402-http-native-payments","type":"official_announcement","newsroomState":"PUBLISHED","publisher":"Coinbase Developer Platform","correctionOf":null,"retracted":false},{"eventId":"base-l2-fees-enable-micropayments","eventDate":"2025-05-06","publishedAt":"2026-09-07T00:00:00.000Z","observedAt":"2026-09-10T11:52:26.151Z","lastUpdatedAt":"2026-09-10T11:52:26.151Z","headline":"Cheap L2 fees are the economic precondition x402 keeps citing","summary":"The x402 announcement contrasts earlier Bitcoin-channel micropayment experiments with modern L2 fees on Base. The commercial claim is not that fees are zero; it is that they are low enough for API-priced calls. zFinia records this as a market precondition, not as a fee oracle.","whyItMatters":"If L2 fees spike, x402’s per-call business model degrades before the protocol text changes.","entities":["base","coinbase","x402"],"protocols":["x402"],"topics":["stablecoins","settlement","x402"],"sourceURLs":["https://www.coinbase.com/developer-platform/discover/launches/x402"],"sourceTypes":["official_announcement"],"evidenceTier":"TIER_A","confidence":0.84,"corroborationCount":0,"marketData":null,"changeVsPrevious":{"resourcesDelta":0,"distinctPayersDelta":0,"callsDelta":0,"newEntrants":0,"removedResources":0,"topFamilyChanged":false,"whatChanged":[]},"freshness":"live","publicAnalysis":false,"usageRights":"Caller may use returned JSON for their own systems. A single call does not grant redistribution of the full zFinia corpus as a competing archive. HTML pages are not the canonical bulk database.","schemaVersion":"zfinia-newswire-1","firstPartyInterest":false,"retrospective":true,"slug":"base-fee-levels-make-http-micropayments-economically-plausible","type":"market_snapshot","newsroomState":"PUBLISHED","publisher":"Coinbase Developer Platform","correctionOf":null,"retracted":false}],"usageRights":"Caller may use returned JSON for their own systems. A single call does not grant redistribution of the full zFinia corpus as a competing archive. HTML pages are not the canonical bulk database.","independentRevenueUsd":0}