{"_meta":{"canonical":"https://www.majormatters.co/x402","publisher":"Major Matters","note":"Cite freely with a link back to the canonical page. Entries are fact-checked before publication."},"_createdAt":"2026-06-10T12:21:59Z","_rev":"fZTa3rhDJvzzYXlxmW5ipB","_type":"tracker","changelog":[{"_key":"72e4e9d04a4a","_type":"trackerChange","date":"2026-06-10","summary":"Fireblocks added as the first member since the founding cohort (joined May 20). Four integrations added as live: AWS Bedrock AgentCore Payments (preview, May 7), x402 on Arbitrum (May 15), Fireblocks Agentic Payments Suite (May 20), and Casper Network's mainnet facilitator (June 4). Usage data replaced with Chainalysis and Base figures: 100 million cumulative transactions on Base through Q1 2026, 3.1 million in the 30 days to May 29. Spec correction: v2 shipped December 11, 2025, not alongside the Linux Foundation transfer. Batch Settlement (May 11, 2026) added to spec status."},{"_key":"0e6dbd7e9f64","_type":"trackerChange","date":"2026-04-28","summary":"Founding member list expanded to 22 members per the April 2, 2026 Linux Foundation announcement. Spec status updated to v2. Bankr x402 Cloud and Cloudflare native support added as live integrations. Coinbase, Cloudflare, and Stripe credited as joint co-developers. Sources added inline."},{"_key":"79689a6ea985","_type":"trackerChange","date":"2026-04-17","summary":"Initial tracker published. Founding member list documented. Nevermined integration confirmed live. Real-world usage data from independent marketplace operator added. Spec status flagged as needing verification at next refresh."}],"ctaText":"If you are building on x402, integrating it, or running traffic through it, we would like to know. Tracker entries are fact-checked before publication.","datapoints":[{"_key":"d2475795bd10","_type":"trackerDatapoint","asOf":"through Q1 2026","commentary":"Growth surged in Q4 2025, driven largely by meme coin activity (notably PING), then moderated in early 2026. Chainalysis is direct that mass adoption remains distant and that current participants are mostly crypto-native.","label":"Cumulative transactions on Base","source":"Chainalysis, June 3, 2026","value":"100 million"},{"_key":"1dab5d3edb5b","_type":"trackerDatapoint","asOf":"30 days to May 29, 2026","label":"30-day transactions","source":"Base","value":"3.1 million"},{"_key":"0bee2e990342","_type":"trackerDatapoint","asOf":"30 days to May 29, 2026","commentary":"Sellers grew 23 percent and buyers grew 37 percent over the same window.","label":"30-day value transferred","source":"Base","value":"$1.2 million"},{"_key":"2f04b02b77f7","_type":"trackerDatapoint","asOf":"early 2026, up from 49 percent in early 2025","label":"Share of volume from $1+ transactions","source":"Chainalysis","value":"95%"},{"_key":"df3dbe1c8fcb","_type":"trackerDatapoint","asOf":"six months to June 2026","commentary":"The historical baseline worth keeping: in late Q1 2026 a single independent data marketplace reported 1,183 agent probes, 5 settlements, and $0.11 of revenue. The bounce diagnosis then was evaluation friction, not payment friction: agents declining to pay because they cannot judge whether a resource is worth the cost. The improving conversion rate is the number to watch against that diagnosis.","label":"Tester-to-payer conversion","source":"Chainalysis","value":"4x improvement"}],"facts":[{"_key":"3fd079ec85c9","_type":"trackerFact","label":"Current home","note":"Launched April 2, 2026","value":"Linux Foundation (x402 Foundation)"},{"_key":"f1be3588f353","_type":"trackerFact","label":"Originally developed by","note":"Joint development, Coinbase as contributing maintainer","value":"Coinbase, Cloudflare, and Stripe"},{"_key":"07b61d6351db","_type":"trackerFact","label":"Current spec version","note":"Released December 11, 2025; Batch Settlement extension added May 11, 2026","value":"v2"},{"_key":"81e0eb9ef538","_type":"trackerFact","label":"License","note":"No protocol fees, no vendor lock-in","value":"Apache 2.0"},{"_key":"a5690d2f2aa6","_type":"trackerFact","label":"Governance model","note":"Spec evolves in public; implementations free to ship against any ratified version","value":"Open technical committee"}],"integrations":[{"_key":"f6a6233a4713","_type":"trackerIntegration","company":"Nevermined","description":"Ties x402 to Visa Intelligent Commerce with VGS tokenization for agent-originated card payments.","product":"Agent payment flow","sourceLabel":"MM coverage","sourceUrl":"https://www.majormatters.co/p/nevermined-ai-agent-card-payments-x402","status":"live","statusDate":"2026-04-17","statusNote":"Live"},{"_key":"01d28ac4d0f0","_type":"trackerIntegration","company":"Bankr","description":"Hosted infrastructure for x402-enabled APIs and agent-originated payments. Launched on 4/02 day alongside the Linux Foundation transfer.","product":"x402 Cloud","sourceLabel":"Chainwire announcement","sourceUrl":"https://chainwire.org/2026/04/02/bankr-launches-x402-cloud-on-4-02-day-as-x402-protocol-joins-the-linux-foundation/","status":"live","statusDate":"2026-04-02","statusNote":"Live"},{"_key":"72f4e71a9082","_type":"trackerIntegration","company":"Cloudflare","description":"Cloudflare Workers can now serve and accept x402 payments natively.","product":"Native x402 transaction support","sourceLabel":"Cloudflare blog","sourceUrl":"https://blog.cloudflare.com/x402/","status":"live","statusDate":"2026-04-02","statusNote":"Live"},{"_key":"cd1b6a9cd954","_type":"trackerIntegration","company":"Independent data marketplace operators","description":"Agent-accessible data APIs with 402 gating, stablecoin settlement on L2.","product":"Several","sourceLabel":"Operator-reported","status":"live","statusNote":"Live, small volume"},{"_key":"c5428a4c1b48","_type":"trackerIntegration","company":"Amazon Web Services","description":"Native x402 payment execution for Bedrock agents: managed wallet provisioning, policy-based per-agent and per-session spending limits, audit trails tied to agent reasoning traces. When an agent hits an HTTP 402, AgentCore evaluates the terms, authorizes the USDC micropayment, and resubmits the request.","product":"Bedrock AgentCore Payments","sourceLabel":"AWS Industries blog","sourceUrl":"https://aws.amazon.com/blogs/industries/x402-and-agentic-commerce-redefining-autonomous-payments-in-financial-services/","status":"live","statusDate":"2026-05-07","statusNote":"Live, in preview"},{"_key":"6c75e72cd9cf","_type":"trackerIntegration","company":"Arbitrum","description":"x402 settlement live on Arbitrum: agents pay for APIs, services, and software directly with stablecoins.","product":"x402 on Arbitrum","sourceLabel":"Arbitrum via X (secondary report)","sourceUrl":"https://www.cryptowisser.com/news/x402-by-coinbase-is-now-live-on-arbitrum","status":"live","statusDate":"2026-05-15","statusNote":"Live"},{"_key":"e203003b405c","_type":"trackerIntegration","company":"Fireblocks","description":"Agentic Payments Gateway gives payment service providers stablecoin merchant acceptance; Agentic Wallets let users delegate transactions to agents within defined limits. Agora's AUSD stablecoin is already running on the stack.","product":"Agentic Payments Suite","sourceLabel":"PR Newswire","sourceUrl":"https://www.prnewswire.com/news-releases/fireblocks-joins-x402-foundation-launches-agentic-payments-suite-302777251.html","status":"live","statusDate":"2026-05-20","statusNote":"Live"},{"_key":"3ee6a6887f82","_type":"trackerIntegration","company":"Casper Network","description":"Production x402 facilitator on mainnet, the first WebAssembly-native L1 with live HTTP-based micropayment infrastructure for agents. The toolkit also bundles MCP access and agent skills.","product":"Casper AI Toolkit","sourceLabel":"Chainwire","sourceUrl":"https://chainwire.org/2026/06/04/casper-network-launches-ai-toolkit-becoming-first-webassembly-native-blockchain-with-live-x402-payments/","status":"live","statusDate":"2026-06-04","statusNote":"Live"}],"lastUpdated":"2026-06-10","members":[{"_key":"e03c56e14f77","_type":"trackerMember","category":"Crypto infrastructure","founding":true,"joined":"2026-04-02","name":"Coinbase","notes":"Original protocol contributor and reference implementation maintainer.","sourceUrl":"https://www.linuxfoundation.org/press/linux-foundation-is-launching-the-x402-foundation-and-welcoming-the-contribution-of-the-x402-protocol"},{"_key":"6e30f5a0a905","_type":"trackerMember","category":"Internet infrastructure","founding":true,"joined":"2026-04-02","name":"Cloudflare","notes":"Co-developer; shipped native x402 transaction support on Cloudflare Workers.","sourceUrl":"https://www.linuxfoundation.org/press/linux-foundation-is-launching-the-x402-foundation-and-welcoming-the-contribution-of-the-x402-protocol"},{"_key":"2fe2e32c89ec","_type":"trackerMember","category":"Payment processor","founding":true,"joined":"2026-04-02","name":"Stripe","notes":"Co-developer; settlement-layer support.","sourceUrl":"https://www.linuxfoundation.org/press/linux-foundation-is-launching-the-x402-foundation-and-welcoming-the-contribution-of-the-x402-protocol"},{"_key":"48d53ddb4ca7","_type":"trackerMember","category":"Card network","founding":true,"joined":"2026-04-02","name":"Visa","notes":"Maintains its own Trusted Agent Protocol separately; role inside x402 still being defined.","sourceUrl":"https://www.linuxfoundation.org/press/linux-foundation-is-launching-the-x402-foundation-and-welcoming-the-contribution-of-the-x402-protocol"},{"_key":"61ea5ed76792","_type":"trackerMember","category":"Card network","founding":true,"joined":"2026-04-02","name":"Mastercard","notes":"Pairs with Mastercard's verifiable-intent work on the layer above.","sourceUrl":"https://www.linuxfoundation.org/press/linux-foundation-is-launching-the-x402-foundation-and-welcoming-the-contribution-of-the-x402-protocol"},{"_key":"d4e4cb3da487","_type":"trackerMember","category":"Card network","founding":true,"joined":"2026-04-02","name":"American Express","notes":"First Amex commitment to an open agentic payments standard.","sourceUrl":"https://www.linuxfoundation.org/press/linux-foundation-is-launching-the-x402-foundation-and-welcoming-the-contribution-of-the-x402-protocol"},{"_key":"267587a482f8","_type":"trackerMember","category":"Platform / AI","founding":true,"joined":"2026-04-02","name":"Google","notes":"AP2 protocol sits above x402 in the stack, complementary rather than competitive.","sourceUrl":"https://www.linuxfoundation.org/press/linux-foundation-is-launching-the-x402-foundation-and-welcoming-the-contribution-of-the-x402-protocol"},{"_key":"cd7ba0946099","_type":"trackerMember","category":"Platform / cloud","founding":true,"joined":"2026-04-02","name":"Microsoft","notes":"Backing alongside AWS and Google.","sourceUrl":"https://www.linuxfoundation.org/press/linux-foundation-is-launching-the-x402-foundation-and-welcoming-the-contribution-of-the-x402-protocol"},{"_key":"cf1504fc0932","_type":"trackerMember","category":"Cloud infrastructure","founding":true,"joined":"2026-04-02","name":"Amazon Web Services","notes":"Published an industry blog on x402 and agentic commerce.","sourceUrl":"https://www.linuxfoundation.org/press/linux-foundation-is-launching-the-x402-foundation-and-welcoming-the-contribution-of-the-x402-protocol"},{"_key":"f994456d4897","_type":"trackerMember","category":"Commerce platform","founding":true,"joined":"2026-04-02","name":"Shopify","notes":"First major merchant platform on the founding list.","sourceUrl":"https://www.linuxfoundation.org/press/linux-foundation-is-launching-the-x402-foundation-and-welcoming-the-contribution-of-the-x402-protocol"},{"_key":"230fdadd7cb8","_type":"trackerMember","category":"Payment processor","founding":true,"joined":"2026-04-02","name":"Adyen","notes":"Founding member alongside its Talon.One acquisition push into decisioning.","sourceUrl":"https://www.linuxfoundation.org/press/linux-foundation-is-launching-the-x402-foundation-and-welcoming-the-contribution-of-the-x402-protocol"},{"_key":"e63281f4668d","_type":"trackerMember","category":"Acquirer / processor","founding":true,"joined":"2026-04-02","name":"Fiserv Merchant Solutions","notes":"Acquirer-side founding member.","sourceUrl":"https://www.linuxfoundation.org/press/linux-foundation-is-launching-the-x402-foundation-and-welcoming-the-contribution-of-the-x402-protocol"},{"_key":"43aad765c126","_type":"trackerMember","category":"Local payment methods","founding":true,"joined":"2026-04-02","name":"PPRO","notes":"Cross-border and APM coverage.","sourceUrl":"https://www.linuxfoundation.org/press/linux-foundation-is-launching-the-x402-foundation-and-welcoming-the-contribution-of-the-x402-protocol"},{"_key":"e50a13495cd2","_type":"trackerMember","category":"Wallet / payments (APAC)","founding":true,"joined":"2026-04-02","name":"KakaoPay","notes":"First Asian wallet on the founding list.","sourceUrl":"https://www.linuxfoundation.org/press/linux-foundation-is-launching-the-x402-foundation-and-welcoming-the-contribution-of-the-x402-protocol"},{"_key":"330a97047676","_type":"trackerMember","category":"Stablecoin issuer","founding":true,"joined":"2026-04-02","name":"Circle","notes":"USDC issuer, primary settlement asset to date.","sourceUrl":"https://www.linuxfoundation.org/press/linux-foundation-is-launching-the-x402-foundation-and-welcoming-the-contribution-of-the-x402-protocol"},{"_key":"4c1b872494aa","_type":"trackerMember","category":"L2 / Coinbase L2","founding":true,"joined":"2026-04-02","name":"Base","notes":"Default settlement L2 in early traffic.","sourceUrl":"https://www.linuxfoundation.org/press/linux-foundation-is-launching-the-x402-foundation-and-welcoming-the-contribution-of-the-x402-protocol"},{"_key":"dece7c3be2df","_type":"trackerMember","category":"L1 / payments chain","founding":true,"joined":"2026-04-02","name":"Solana Foundation","notes":"Joined initiative to push web-native payments support.","sourceUrl":"https://www.linuxfoundation.org/press/linux-foundation-is-launching-the-x402-foundation-and-welcoming-the-contribution-of-the-x402-protocol"},{"_key":"9bf588015703","_type":"trackerMember","category":"L2 / scaling","founding":true,"joined":"2026-04-02","name":"Polygon Labs","notes":"Multi-chain settlement option.","sourceUrl":"https://www.linuxfoundation.org/press/linux-foundation-is-launching-the-x402-foundation-and-welcoming-the-contribution-of-the-x402-protocol"},{"_key":"d74220a18ad7","_type":"trackerMember","category":"Crypto developer tools","founding":true,"joined":"2026-04-02","name":"thirdweb","notes":"Implementation tooling for builders.","sourceUrl":"https://www.linuxfoundation.org/press/linux-foundation-is-launching-the-x402-foundation-and-welcoming-the-contribution-of-the-x402-protocol"},{"_key":"e957a8620eef","_type":"trackerMember","category":"Agent infrastructure","founding":true,"joined":"2026-04-02","name":"Ampersend.ai","notes":"Agent-side support.","sourceUrl":"https://www.linuxfoundation.org/press/linux-foundation-is-launching-the-x402-foundation-and-welcoming-the-contribution-of-the-x402-protocol"},{"_key":"7a85c5b36645","_type":"trackerMember","category":"Agent platform","founding":true,"joined":"2026-04-02","name":"Sierra","notes":"Agent-side support.","sourceUrl":"https://www.linuxfoundation.org/press/linux-foundation-is-launching-the-x402-foundation-and-welcoming-the-contribution-of-the-x402-protocol"},{"_key":"dbebe98c0aa1","_type":"trackerMember","category":"Software / standards","founding":true,"joined":"2026-04-02","name":"Merit Systems","notes":"Founding contributor.","sourceUrl":"https://www.linuxfoundation.org/press/linux-foundation-is-launching-the-x402-foundation-and-welcoming-the-contribution-of-the-x402-protocol"},{"_key":"3955971f91f2","_type":"trackerMember","category":"Crypto infrastructure / wallet platform","founding":false,"joined":"2026-05-20","name":"Fireblocks","notes":"First member addition after the founding cohort. Joined alongside the launch of its Agentic Payments Suite.","sourceUrl":"https://www.prnewswire.com/news-releases/fireblocks-joins-x402-foundation-launches-agentic-payments-suite-302777251.html"}],"nextUpdate":"We update when material changes land.","openQuestions":[{"_key":"7e2575f8f8da","_type":"trackerQuestion","detail":"The single biggest missing piece. Whoever ships this becomes the credit-rating agency for agent commerce.","question":"Trust scoring"},{"_key":"4609751cbc96","_type":"trackerQuestion","detail":"Today most traffic settles in USDC on L2. Concentration risk matters. Agora's AUSD going live on Fireblocks' stack is the first meaningful broadening.","question":"Stablecoin dependency"},{"_key":"ad78988db6e3","_type":"trackerQuestion","detail":"No chargebacks, no arbitration, no Reg E equivalent.","question":"Dispute resolution"},{"_key":"580d7df77c21","_type":"trackerQuestion","detail":"Hijacked, prompt-injected, or misconfigured agents. Nobody has taken a position.","question":"Liability for bad agent behavior"},{"_key":"3617ab88a818","_type":"trackerQuestion","detail":"No large merchant has added x402 as a first-class consumer-visible payment option. Shopify and Adyen are founding members but have not shipped one. That is the integration milestone the protocol has not crossed.","question":"Merchant adoption"}],"proposals":[{"_key":"fe3509379eae","_type":"trackerProposal","name":"Core request-response handshake","notes":"HTTP 402 response, payment payload in header, resource returned. Ratified in v2.","sourceUrl":"https://www.x402.org/writing/x402-v2-launch","status":"ratified"},{"_key":"c9d368fe4ac2","_type":"trackerProposal","name":"Wallet-based identity","notes":"For both clients and resource servers. Ratified in v2.","sourceUrl":"https://www.x402.org/writing/x402-v2-launch","status":"ratified"},{"_key":"f22dbab73e21","_type":"trackerProposal","name":"Automatic API discovery","notes":"Ratified in v2.","sourceUrl":"https://www.x402.org/writing/x402-v2-launch","status":"ratified"},{"_key":"0fb313133b8a","_type":"trackerProposal","name":"Dynamic payment recipients","notes":"Ratified in v2.","sourceUrl":"https://www.x402.org/writing/x402-v2-launch","status":"ratified"},{"_key":"1335ed1e5363","_type":"trackerProposal","name":"Additional chains and fiat via CAIP standards","notes":"Ratified in v2.","sourceUrl":"https://www.x402.org/writing/x402-v2-launch","status":"ratified"},{"_key":"dafa802c48d8","_type":"trackerProposal","name":"Modular SDK for custom networks and payment schemes","notes":"Ratified in v2.","sourceUrl":"https://www.x402.org/writing/x402-v2-launch","status":"ratified"},{"_key":"f1958fb59cb0","_type":"trackerProposal","name":"Receipt and settlement reference formats","notes":"Beyond the v2 baseline.","status":"in-development"},{"_key":"ae5fb459ea91","_type":"trackerProposal","name":"Multi-currency payment option encoding refinements","notes":"","status":"in-development"},{"_key":"ba8504b1553f","_type":"trackerProposal","name":"Implementation guides for non-EVM chains","notes":"","status":"in-development"},{"_key":"a9d62214ee84","_type":"trackerProposal","name":"Trust-scoring layer (sometimes referenced as x407)","notes":"Allows agents to evaluate a resource before paying. No ratified spec yet.","status":"open-proposal"},{"_key":"c19c8b9d3328","_type":"trackerProposal","name":"Dispute resolution framework","notes":"Early discussion, no proposal.","status":"discussion"},{"_key":"04b0da2ca26e","_type":"trackerProposal","name":"Liability framework for agent-side errors","notes":"Regulatory, not protocol-scope, but being discussed.","status":"discussion"},{"_key":"2344f89df089","_type":"trackerProposal","name":"Batch Settlement","notes":"Introduced May 11, 2026. Cryptographic vouchers with bulk onchain redemption enable sub-cent, low-latency agent transactions.","sourceUrl":"https://www.x402.org/writing","status":"ratified"}],"standfirst":"Every member, every shipped integration, every spec proposal, every real-world transaction we can verify. Updated on a rolling basis. The canonical list, because nobody else is keeping one.","title":"The x402 Adoption Tracker","relatedReading":[{"title":"The x402 Adoption Tracker Is Live","url":"https://www.majormatters.co/p/x402-tracker-launch"},{"title":"What x402 Actually Is, and Why It Is the Internet's First Payment Layer","url":"https://www.majormatters.co/p/x402-explained-internet-payment-layer"},{"title":"The Internet Just Got a Payment Layer. No Card Network Required.","url":"https://www.majormatters.co/p/x402-linux-foundation-payment-layer"},{"title":"The Agentic Commerce Protocol Map: Q1 2026","url":"https://www.majormatters.co/p/agentic-commerce-protocol-map-q1-definitive"},{"title":"Nevermined Just Shipped What Everyone Else Is Still Announcing: AI Agents That Pay With Cards","url":"https://www.majormatters.co/p/nevermined-ai-agent-card-payments-x402"},{"title":"x402: The Internet Just Got a Payment Button. AI Agents Are Already Using It.","url":"https://www.majormatters.co/p/x402-internet-payment-protocol"}]}