[
  {
    "id": "coinbase-x402-docs-1",
    "tier": "claimed-docs",
    "url": "https://x402.org",
    "excerpt": "Add one line of code to require payment for each incoming request. If a request arrives without payment, the server responds with HTTP 402, prompting the client to pay and retry.",
    "fetchedAt": "2026-09-14T23:22:55.182Z"
  },
  {
    "id": "coinbase-x402-docs-2",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/seller/facilitator.md",
    "excerpt": "The CDP Facilitator handles that work as a hosted service: it validates signed payments, screens transactions, submits settlement onchain, and reports the result to your resource server.",
    "fetchedAt": "2026-09-14T23:22:55.182Z"
  },
  {
    "id": "coinbase-x402-docs-3",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/welcome",
    "excerpt": "Sellers receive at any address they control — including CDP custodial wallets, Coinbase Business, Prime, or a self-custody wallet",
    "fetchedAt": "2026-09-14T23:22:55.182Z"
  },
  {
    "id": "coinbase-x402-docs-4",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/welcome",
    "excerpt": "buyers can pay from a CDP wallet or another signer",
    "fetchedAt": "2026-09-14T23:22:55.182Z"
  },
  {
    "id": "coinbase-x402-docs-5",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/seller/get-discovered.md",
    "excerpt": "When you build with the CDP SDK's x402 building blocks, x402 Bazaar support is enabled automatically. There is no registration form or separate API call.",
    "fetchedAt": "2026-09-14T23:22:55.182Z"
  },
  {
    "id": "coinbase-x402-docs-6",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/buyer/discover-services.md",
    "excerpt": "Bazaar discovery is public. You do not need a CDP API key to use the discovery APIs or the corresponding TypeScript SDK functions.",
    "fetchedAt": "2026-09-14T23:22:55.182Z"
  },
  {
    "id": "coinbase-x402-docs-7",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/seller/facilitator.md",
    "excerpt": "Built-in screening. OFAC and Know Your Transaction (KYT) checks identify and decline payments involving sanctioned or high-risk addresses.",
    "fetchedAt": "2026-09-14T23:22:55.182Z"
  },
  {
    "id": "coinbase-x402-docs-8",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/seller/facilitator.md",
    "excerpt": "Charge however you price. Fixed-price, usage-based, and batched payments through the exact, upto, and batch-settlement schemes.",
    "fetchedAt": "2026-09-14T23:22:55.182Z"
  },
  {
    "id": "coinbase-x402-docs-9",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/seller/facilitator.md",
    "excerpt": "Accept ERC-20 tokens on supported EVM networks and SPL tokens on Solana.",
    "fetchedAt": "2026-09-14T23:22:55.182Z"
  },
  {
    "id": "coinbase-x402-docs-10",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/seller/facilitator.md",
    "excerpt": "Free to start, inexpensive to scale. The first 1,000 onchain Facilitator transactions each month are free, then each additional onchain transaction costs $0.001.",
    "fetchedAt": "2026-09-14T23:22:55.182Z"
  },
  {
    "id": "coinbase-x402-docs-11",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/agentic-accounts/overview.md",
    "excerpt": "Agentic accounts let an AI agent hold funds and act through a Coinbase account or wallet. For an x402 buyer, the account is the source of USDC that the agent uses to pay for a service.",
    "fetchedAt": "2026-09-14T23:22:55.182Z"
  },
  {
    "id": "coinbase-x402-docs-12",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/integrations/overview.md",
    "excerpt": "Give an AgentCore agent access to x402 services through an AWS Payment Manager and Coinbase CDP connector.",
    "fetchedAt": "2026-09-14T23:22:55.182Z"
  },
  {
    "id": "coinbase-x402-docs-13",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/integrations/overview.md",
    "excerpt": "x402-enable a merchant checkout built on Payment Acceptance so agents can authorize payment sessions directly.",
    "fetchedAt": "2026-09-14T23:22:55.182Z"
  },
  {
    "id": "coinbase-x402-docs-14",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/buyer/discover-services.md",
    "excerpt": "Let an MCP-compatible agent discover services with tool calls.",
    "fetchedAt": "2026-09-14T23:22:55.182Z"
  },
  {
    "id": "coinbase-x402-docs-15",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/welcome",
    "excerpt": "an agent purchasing a tool call mid-task",
    "fetchedAt": "2026-09-14T23:22:55.182Z"
  },
  {
    "id": "coinbase-x402-docs-16",
    "tier": "claimed-docs",
    "url": "https://x402.org/x402-batch-settlement/",
    "excerpt": "The x402 protocol is introducing batch settlement, enabling agents to transact at extremely low latency and fractions of a cent.",
    "fetchedAt": "2026-09-14T23:22:55.182Z"
  },
  {
    "id": "coinbase-x402-docs-17",
    "tier": "claimed-docs",
    "url": "https://x402.org",
    "excerpt": "AI agent pays instantly with stablecoins No signups or approvals required",
    "fetchedAt": "2026-09-14T23:22:55.182Z"
  },
  {
    "id": "coinbase-x402-docs-18",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/welcome",
    "excerpt": "a user unlocking premium content, a backend consuming metered data",
    "fetchedAt": "2026-09-14T23:22:55.182Z"
  },
  {
    "id": "coinbase-x402-docs-19",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/welcome",
    "excerpt": "a backend consuming metered data",
    "fetchedAt": "2026-09-14T23:22:55.182Z"
  },
  {
    "id": "coinbase-x402-comm-1",
    "tier": "community",
    "url": "https://hn.algolia.com/api/v1/items/45347335",
    "excerpt": "It's worth noting that this protocol is primarily supported by Coinbase today -- You'd be using USDC on the Base network (Layer 2 on top of Ethereum). However, the protocol itself is opening meaning anyone can self-host the same mechanics on any network, with any token/crypto asset.",
    "fetchedAt": "2026-09-14T23:25:51.778Z"
  },
  {
    "id": "coinbase-x402-comm-2",
    "tier": "community",
    "url": "https://hn.algolia.com/api/v1/items/45347335",
    "excerpt": "(x402 author here) Merchants express to the buyer multiple ways that they accept payment and the buyer chooses the one they prefer. As of right now stablecoins on various crypto rails are the major form... but Cloudflare is proposing a scheme that uses deferred payment via credit card or ACH.",
    "fetchedAt": "2026-09-14T23:25:51.778Z"
  },
  {
    "id": "coinbase-x402-comm-3",
    "tier": "community",
    "url": "https://hn.algolia.com/api/v1/items/45347335",
    "excerpt": "Given that this protocol is Coinbase sponsored, you can be sure that the whole KYC/AML bullshit is going to be applied to every transaction. Want to read a paid message? Please upload your recent utility bill and confirm your identity with a video call.",
    "fetchedAt": "2026-09-14T23:25:51.778Z"
  },
  {
    "id": "coinbase-x402-comm-4",
    "tier": "community",
    "url": "https://hn.algolia.com/api/v1/items/45347335",
    "excerpt": "A truly open payment protocol should handle any currency (not force you to adopt crypto coins) and would leave it to the merchant and buyer to agree on their settlement method... It's entirely possible then that some options would be available, for example in SEPA, that offer instant and irreversible settlement at zero cost.",
    "fetchedAt": "2026-09-14T23:25:51.778Z"
  },
  {
    "id": "coinbase-x402-comm-5",
    "tier": "community",
    "url": "https://hn.algolia.com/api/v1/items/48746914",
    "excerpt": "The Linux Foundation... today announced it is launching the x402 Foundation with the contribution of the x402 protocol from Coinbase... It seems like it is a technology that is intended to be open and universal while also being supported and developed primarily by US companies (Linux Foundation, Coinbase, CloudFlare).",
    "fetchedAt": "2026-09-14T23:25:51.778Z"
  },
  {
    "id": "coinbase-x402-comm-6",
    "tier": "community",
    "url": "https://hn.algolia.com/api/v1/items/48746914",
    "excerpt": "It's a great way for developers or ai agents to test drive an API without creating an account and getting an API key from the api provider. This could also make abusing use / DDoS attack very costly.",
    "fetchedAt": "2026-09-14T23:25:51.778Z"
  },
  {
    "id": "coinbase-x402-comm-7",
    "tier": "community",
    "url": "https://hn.algolia.com/api/v1/items/45271711",
    "excerpt": "The protocol is pretty simple. Make a request and get back payment headers. Sign the data, with the proper amounts. The signed transaction is sent to a facilitator. The facilitator validates the transaction, then broadcasts it onto the block chain. The payload is now sent to the agent or user.",
    "fetchedAt": "2026-09-14T23:25:51.778Z"
  },
  {
    "id": "coinbase-x402-comm-8",
    "tier": "community",
    "url": "https://news.ycombinator.com/item?id=43908129",
    "excerpt": "So it's an 'open standard' and you can use any chain that meets Coinbase's 'acceptance criteria'. So under this guise, their whole goal is to make themselves centralizing force.",
    "fetchedAt": "2026-09-14T23:25:51.778Z"
  },
  {
    "id": "coinbase-x402-comm-9",
    "tier": "community",
    "url": "https://news.ycombinator.com/item?id=43908129",
    "excerpt": "this looks great, gonna look into writing something to use with fastapi",
    "fetchedAt": "2026-09-14T23:25:51.778Z"
  },
  {
    "id": "coinbase-x402-comm-10",
    "tier": "community",
    "url": "https://news.ycombinator.com/item?id=47011510",
    "excerpt": "We run 124 x402 endpoints at httpay.xyz and the 'verify work was done' problem is real — especially for compute-heavy tasks like image generation or LLM inference where the response time varies. Currently we handle this by only settling after the response is delivered, but that puts trust on the server side.",
    "fetchedAt": "2026-09-14T23:25:51.778Z"
  },
  {
    "id": "coinbase-x402-comm-11",
    "tier": "community",
    "url": "https://news.ycombinator.com/item?id=47133305",
    "excerpt": "Apiosk approaches it from the server side: a gateway that enforces per-request x402 payments so API providers can monetize without accounts or keys. Your budget SDK + Apiosk would be a natural combo — the agent has a spending ceiling and the APIs it calls use x402 for micropayments.",
    "fetchedAt": "2026-09-14T23:25:51.778Z"
  },
  {
    "id": "coinbase-x402-probe-1",
    "tier": "probe",
    "url": "https://docs.cdp.coinbase.com/llms.txt",
    "excerpt": "PROBE llms.txt: HTTP 200 at https://docs.cdp.coinbase.com/llms.txt # Coinbase Developer Documentation\n\n- [Docs (537 pages)](https://docs.cdp.coinbase.com/_llms/docs.md): Documentation for",
    "fetchedAt": "2026-09-14T23:26:40.380Z"
  },
  {
    "id": "coinbase-x402-probe-2",
    "tier": "probe",
    "url": "https://docs.cdp.coinbase.com/x402/welcome.md",
    "excerpt": "PROBE docs-md: HTTP 200 at https://docs.cdp.coinbase.com/x402/welcome.md > ## Documentation Index\n> Fetch the complete documentation index at: https://docs.cdp.coinbase.com/llms.txt\n> Use this",
    "fetchedAt": "2026-09-14T23:26:40.380Z"
  },
  {
    "id": "coinbase-x402-probe-3",
    "tier": "probe",
    "url": "https://docs.cdp.coinbase.com/openapi.json",
    "excerpt": "PROBE openapi: all candidate paths 404 (https://docs.cdp.coinbase.com/openapi.json, https://docs.cdp.coinbase.com/swagger.json, https://docs.cdp.coinbase.com/api/openapi.json, https://docs.cdp.coinbase.com/.well-known/openapi.json)",
    "fetchedAt": "2026-09-14T23:26:40.380Z"
  },
  {
    "id": "coinbase-x402-probe-rt-1",
    "tier": "probe",
    "url": "https://docs.cdp.coinbase.com/x402/buyer/discover-services.md",
    "excerpt": "PROBE runtime (recorded 2026-09-14): the x402 Bazaar discovery index is keyless by design and live — a plain GET to https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources returned real payable-service listings (USDC amounts, asset contracts, network eip155:8453/Base, scheme exact, maxTimeoutSeconds) with no CDP API key, exactly as the docs state.",
    "fetchedAt": "2026-09-14T23:26:55.000Z"
  },
  {
    "id": "coinbase-x402-probe-rt-2",
    "tier": "probe",
    "url": "https://docs.cdp.coinbase.com/x402/seller/facilitator.md",
    "excerpt": "PROBE runtime (recorded 2026-09-14): the hosted CDP facilitator auth-gates as documented — a keyless GET to https://api.cdp.coinbase.com/platform/v2/x402/supported answered HTTP 401 Unauthorized — and the protocol SDK resolves on the public npm registry (npm view x402 → 1.2.0, published by the x402 Foundation with SLSA provenance).",
    "fetchedAt": "2026-09-14T23:26:55.000Z"
  },
  {
    "id": "coinbase-x402-supp-1",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/how-it-works.md",
    "excerpt": "\"x402 is an open standard for adding per-request payments to HTTP, so APIs and services can charge without checkout pages, subscriptions, or separate billing integrations.\" In the documented nine-step flow the server quotes the price in a payment-required response, \"The client signs a payment and sends the request again with proof of payment attached\", the server has the CDP Facilitator verify it, performs the work, then \"asks the facilitator to settle the payment\" before returning the resource with confirmation.",
    "fetchedAt": "2026-09-14T23:38:20.000Z"
  },
  {
    "id": "coinbase-x402-supp-2",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/how-it-works.md",
    "excerpt": "The handshake is rail-flexible by design: \"USDC is the most common asset, but sellers can accept any ERC-20 token on EVM networks or SPL token on Solana\", and pricing models span the three schemes — \"Sellers can charge a fixed price, authorize a maximum and settle only what was used, or defer settlement for a batch of payments.\" \"The same handshake works across chains, including EVM networks and Solana.\"",
    "fetchedAt": "2026-09-14T23:38:20.000Z"
  },
  {
    "id": "coinbase-x402-supp-3",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/seller/facilitator.md",
    "excerpt": "The hosted CDP Facilitator \"validates signed payments, screens transactions, submits settlement onchain, and reports the result to your resource server\", with compliance built in: \"OFAC and Know Your Transaction (KYT) checks identify and decline payments involving sanctioned or high-risk addresses.\" The x402 v2 support table lists exact, upto, and batch-settlement on Base (\"eip155:8453\"), Base Sepolia, Polygon, Arbitrum, and World, with Solana supporting exact and upto; it \"supports all ERC-20 tokens on its EVM networks through EIP-3009 or Permit2, and SPL tokens on Solana\".",
    "fetchedAt": "2026-09-14T23:38:20.000Z"
  },
  {
    "id": "coinbase-x402-supp-4",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/seller/facilitator.md",
    "excerpt": "Facilitator fees, verbatim: \"Free to start, inexpensive to scale.\" — \"The first 1,000 onchain Facilitator transactions each month are free\", then $0.001 per additional onchain transaction, and \"Payment verification is always free.\" Batch settlement amortizes further: \"vouchers are verified offchain for free and claimed together, so one onchain transaction can process thousands of payments\". Scale claim: the facilitator \"has processed more than 100 million transactions\" and $28 million in payment volume across Base and Solana.",
    "fetchedAt": "2026-09-14T23:38:20.000Z"
  },
  {
    "id": "coinbase-x402-supp-5",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/buyer/discover-services.md",
    "excerpt": "Payable-service discovery is open: \"The x402 Bazaar is a catalog of payment-gated services discovered by the CDP Facilitator.\" and \"Bazaar discovery is public. You do not need a CDP API key to use the discovery APIs or the corresponding TypeScript SDK functions.\" Buyers search by intent with network/asset/scheme/price filters — \"Search returns at most 20 resources, ranked by a blend of query relevance and quality.\" — or via the Bazaar MCP server as tool calls.",
    "fetchedAt": "2026-09-14T23:38:20.000Z"
  },
  {
    "id": "coinbase-x402-supp-6",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/seller/get-discovered.md",
    "excerpt": "\"Getting discovered makes your endpoint available to tens of thousands of agents through CDP APIs, the Bazaar MCP server, and Amazon Bedrock AgentCore\" — \"The x402 Bazaar lists more than 23,000 x402 resources.\" Listing is frictionless (\"There is no registration form or separate API call\") and usage-gated: \"Every validated endpoint is eligible for indexing in the CDP Bazaar after a successful settled payment.\", while \"Resources that go 30 days without a settlement are removed from both the catalog and search results\".",
    "fetchedAt": "2026-09-14T23:38:20.000Z"
  },
  {
    "id": "coinbase-x402-supp-7",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/agentic-accounts/overview.md",
    "excerpt": "Agent wallets: \"Agentic accounts let an AI agent hold funds and act through a Coinbase account or wallet. For an x402 buyer, the account is the source of USDC that the agent uses to pay for a service.\" Two documented options: the Agentic Wallet (\"Give your own agent a wallet that can discover and pay for x402 services today.\") and \"Connect an agent to Coinbase Advanced Trade. x402 payments are coming soon.\"",
    "fetchedAt": "2026-09-14T23:38:20.000Z"
  },
  {
    "id": "coinbase-x402-supp-8",
    "tier": "claimed-docs",
    "url": "https://docs.cdp.coinbase.com/x402/support/x402-foundation.md",
    "excerpt": "Governance: \"x402 was originally incubated at Coinbase.\" — then the \"x402 Foundation launched under the Linux Foundation\" and \"Coinbase completed its contribution of the protocol\". \"x402 is now developed under open, vendor-neutral governance, so the payment layer stays interoperable and free of lock-in to any one provider. Forty organizations joined as members at launch, spanning finance, cloud infrastructure, and payments. Premier members include Amazon Web Services, American Express, Cloudflare, Coinbase, Google, Mastercard, Shopify, Solana Foundation, Stripe, and Visa.\"",
    "fetchedAt": "2026-09-14T23:38:20.000Z"
  },
  {
    "id": "coinbase-x402-supp-9",
    "tier": "claimed-docs",
    "url": "https://x402.org/leadership/",
    "excerpt": "Named governance seats on x402.org: \"The x402 Governing Board is responsible for marketing, business oversight, and budget decisions for the x402 Foundation.\" with members from American Express, AWS, Google, Visa, Circle, MoonPay, Stripe, Ripple, Coinbase, Shopify, Adyen, Monad Foundation, Mastercard, Solana, Fiserv, Stellar Foundation, and Cloudflare; separately, \"The Technical Steering Committee (TSC) is responsible for all technical oversight of x402.\" chaired by Erik Reppel, with a Linux Foundation executive director (Michael Hursta).",
    "fetchedAt": "2026-09-14T23:38:20.000Z"
  },
  {
    "id": "coinbase-x402-supp-10",
    "tier": "claimed-docs",
    "url": "https://x402.org/x402-batch-settlement/",
    "excerpt": "The batch-settlement scheme targets high-frequency agent loops: \"Batch settlement lets agents perform thousands of granular interactions while maintaining the economic efficiency of a single transaction.\" Buyers commit escrowed funds, \"Every HTTP interaction includes a cryptographic voucher\", and the seller redeems in bulk onchain. Buyer exit ramps are specified: \"Escrow is explicit, limits are cryptographically signed, and buyers retain defined refund and withdrawal semantics.\"",
    "fetchedAt": "2026-09-14T23:38:20.000Z"
  }
]