{"ok":true,"source":"tensorfeed.ai","spec_url":"https://x402.org","lastUpdated":"2026-10-26","count":17,"adopters":[{"id":"x402-spec","name":"x402 specification","org":"x402 Foundation (Linux Foundation)","category":"spec","status":"spec","networks":["chain-agnostic"],"tokens":["token-agnostic"],"x402Methods":["exact","upto","batch-settlement"],"endpointUrl":null,"websiteUrl":"https://x402.org","repoUrl":"https://github.com/x402-foundation/x402","docsUrl":"https://docs.x402.org","lastVerified":"2026-10-26","notes":"The HTTP-status-402 protocol that revives the long-dormant \"Payment Required\" status code as a machine-payable handshake, published under Apache-2.0. Created at Coinbase and contributed to the Linux Foundation, which announced the x402 Foundation on April 2, 2026 and its operational launch on July 14, 2026 with 40 members (premier members include AWS, Cloudflare, Coinbase, Google, Mastercard, Stripe, and Visa). Spec v2 uses CAIP-2 network ids; documented schemes are exact, upto, and batch-settlement, with an auth-capture scheme spec also in the repo. The canonical repo moved from coinbase/x402 to x402-foundation/x402."},{"id":"a2a-x402","name":"A2A x402 Extension","org":"Google Agentic Commerce","category":"spec","status":"spec","networks":["chain-agnostic"],"tokens":["token-agnostic"],"x402Methods":["exact"],"endpointUrl":null,"websiteUrl":"https://github.com/google-agentic-commerce/a2a-x402","repoUrl":"https://github.com/google-agentic-commerce/a2a-x402","docsUrl":"https://github.com/google-agentic-commerce/a2a-x402/blob/main/spec/v0.1/spec.md","lastVerified":"2026-10-26","notes":"Extension that carries x402 payments inside the Agent-to-Agent (A2A) protocol: payment-required, payment-submitted, and payment-completed messages let a merchant agent charge a client agent on-chain. Spec v0.1 with a Python library and examples; sits alongside Google's AP2 (Agent Payments Protocol) work in the same org."},{"id":"tensorfeed","name":"TensorFeed.ai","org":"TensorFeed.ai","category":"publisher","status":"live","networks":["base","solana"],"tokens":["USDC"],"x402Methods":["exact"],"endpointUrl":"https://tensorfeed.ai/api/premium","websiteUrl":"https://tensorfeed.ai/developers/agent-payments","repoUrl":null,"docsUrl":"https://tensorfeed.ai/.well-known/x402.json","lastVerified":"2026-10-26","notes":"Real-time AI-ecosystem data with paid premium endpoints listed in its x402 manifest, payable on Base or Solana. AFTA-certified: code-enforced no-charge guarantees plus Ed25519-signed receipts on every paid call. End-to-end USDC loop verified on Base mainnet 2026-04-27."},{"id":"cdp-facilitator","name":"CDP Facilitator","org":"Coinbase Developer Platform","category":"gateway","status":"live","networks":["base","polygon","arbitrum","monad","world","solana"],"tokens":["USDC"],"x402Methods":["exact","upto","batch-settlement"],"endpointUrl":null,"websiteUrl":"https://docs.cdp.coinbase.com/x402/welcome","repoUrl":"https://github.com/coinbase/cdp-sdk","docsUrl":"https://docs.cdp.coinbase.com/x402/seller/facilitator","lastVerified":"2026-10-26","notes":"Coinbase-hosted facilitator with OFAC and KYT screening on every transaction. Accepts any ERC-20 token on its EVM networks (Base, Polygon, Arbitrum, Monad, World) through EIP-3009 or Permit2, and SPL tokens on Solana; exact and upto run on every supported network while batch-settlement is EVM only. First 1,000 on-chain transactions per month free, then $0.001 each; verification is free, and batch-settlement vouchers are verified off-chain so one transaction can clear thousands of payments. Coinbase reports more than 100 million transactions and $28 million in payment volume across Base and Solana. Sellers get indexed in the x402 Bazaar discovery API (15,406 resources listed on 2026-09-14) and can appear in the Agentic Market directory of x402 services."},{"id":"aws-waf-ai-monetization","name":"AWS WAF AI traffic monetization","org":"Amazon Web Services","category":"gateway","status":"live","networks":["base","solana"],"tokens":["USDC"],"x402Methods":[],"endpointUrl":null,"websiteUrl":"https://aws.amazon.com/blogs/aws/aws-waf-adds-ai-traffic-monetization-capability-to-help-content-owners-charge-ai-bots-for-content-access/","repoUrl":null,"docsUrl":"https://www.coinbase.com/blog/coinbase-and-aws-let-publishers-accept-agents-as-customers-via-x402","lastVerified":"2026-10-26","notes":"Launched June 15, 2026 as an AWS WAF Bot Control capability for sites behind Amazon CloudFront, at no charge beyond standard AWS WAF pricing. A Monetize rule returns HTTP 402 with an x402 price manifest (USDC price, accepted networks such as Base and Solana, your own wallet address); Coinbase's x402 Facilitator verifies and settles, and Base Sepolia or Solana Devnet serve as test mode. Pricing per content path, bot category, or verification tier, each tier assignable to Monetize, Allow, Block, Count, CAPTCHA, or Challenge. Works only with CloudFront-associated web ACLs. AWS takes no fee on content revenue; Stripe and MPP support listed as coming soon."},{"id":"aws-agentcore-payments","name":"Amazon Bedrock AgentCore Payments","org":"Amazon Web Services","category":"gateway","status":"live","networks":["base","solana"],"tokens":["USDC"],"x402Methods":["upto"],"endpointUrl":null,"websiteUrl":"https://aws.amazon.com/about-aws/whats-new/2026/08/bedrock-agentcore-payments-ga/","repoUrl":null,"docsUrl":"https://docs.aws.amazon.com/bedrock-agentcore/latest/devguide/payments.html","lastVerified":"2026-10-26","notes":"Buyer-side managed payments for agents: preview May 7, 2026, generally available August 18, 2026. When an agent hits HTTP 402, AgentCore negotiates x402, signs with a connected Coinbase CDP wallet or Stripe Privy wallet, and enforces spending limits at the infrastructure layer (each PaymentSession carries a maxSpendAmount and an expiry). GA added the x402 upto scheme for pay-per-inference pricing plus MPP support. A ready-to-use Coinbase x402 Bazaar MCP server exposing more than 10,000 pay-per-use endpoints is wired through AgentCore Gateway for discovery, and payment-lifecycle logs and spans land in CloudWatch and X-Ray."},{"id":"cloudflare-monetization-gateway","name":"Cloudflare Monetization Gateway","org":"Cloudflare","category":"gateway","status":"announced","networks":[],"tokens":[],"x402Methods":[],"endpointUrl":null,"websiteUrl":"https://blog.cloudflare.com/monetization-gateway/","repoUrl":null,"docsUrl":null,"lastVerified":"2026-10-26","notes":"Waitlist opened July 1, 2026 and still a waitlist: charge for any web page, dataset, API, or MCP tool behind Cloudflare, with payment rules enforced at the edge and stablecoin settlement over x402, peer-to-peer to the seller wallet. Supported networks and Cloudflare's own fees are not yet published; the launch post sketches prices like a few cents per search or $0.01 per API call. Buyer side announced August 4, 2026: Cloudflare Wallets (Account Wallets plus capped Virtual Wallets for agents) and cloudflare.pay handles; only handle reservation is open, wallets due in the coming months."},{"id":"payai-facilitator","name":"PayAI Facilitator","org":"PayAI Network","category":"gateway","status":"live","networks":["solana","base","polygon","avalanche","arbitrum","bsc","sei","xlayer","skale-base"],"tokens":["token-agnostic"],"x402Methods":["exact","upto","batch-settlement"],"endpointUrl":"https://facilitator.payai.network","websiteUrl":"https://payai.network","repoUrl":null,"docsUrl":"https://docs.payai.network/","lastVerified":"2026-10-26","notes":"Multi-network production facilitator listed in the x402 docs, with no API key required for the free tier. Its live /supported endpoint answers for both x402 v1 and v2 and reports exact on its EVM chains and Solana, upto on Solana, and experimental batch-settlement on Base and Solana, plus bazaar and gas-sponsoring extensions. Also runs a PayAI Bazaar discovery catalog of x402-payable endpoints and MCP tools."},{"id":"circle-facilitator","name":"Circle Facilitator Service","org":"Circle","category":"gateway","status":"live","networks":["arc","base","polygon"],"tokens":["USDC"],"x402Methods":["exact","upto"],"endpointUrl":"https://api.circle.com/v1/facilitator/x402","websiteUrl":"https://developers.circle.com/facilitator-service","repoUrl":null,"docsUrl":"https://developers.circle.com/facilitator-service/quickstart","lastVerified":"2026-10-26","notes":"Circle-hosted facilitator that settles USDC on its own Arc chain plus Base and Polygon PoS, launched alongside Arc mainnet in September 2026. The buyer signs an EIP-3009 authorization and Circle verifies it, screens both addresses, pays the settlement gas, and broadcasts, so a seller needs no relayer or gas wallet. Exposes /verify, /settle, and /status/{paymentId}; exact and upto are both supported. Auth is a Circle API key as a bearer token plus a signed Facilitator-Seller-Proof header, with a keyless trial for testing. Circle labels the feature as subject to change."},{"id":"pay-sh","name":"Pay.sh","org":"Solana Foundation + Google Cloud","category":"gateway","status":"live","networks":["solana"],"tokens":["stablecoins"],"x402Methods":["exact","upto"],"endpointUrl":null,"websiteUrl":"https://pay.sh","repoUrl":"https://github.com/solana-foundation/pay","docsUrl":"https://pay.sh/docs","lastVerified":"2026-10-26","notes":"Launched May 5, 2026: an API gateway on Google Cloud that lets agents pay per request for Gemini, BigQuery, and other Google Cloud APIs plus community providers, settling in stablecoins on Solana. Its provider registry listed 76 providers across compute, data, finance, messaging, and AI categories in an October 2026 snapshot, with per-call prices from $0.001 upward. Speaks both x402 and MPP, and needs no sign-up. Ships a pay CLI (npm @solana/pay, also Homebrew) that wraps curl, Claude Code, and Codex to handle 402 challenges, keeps its wallet in the OS keychain, and has a sandbox mode."},{"id":"stripe-machine-payments","name":"Stripe machine payments (x402)","org":"Stripe","category":"gateway","status":"beta","networks":["base"],"tokens":["USDC"],"x402Methods":["exact"],"endpointUrl":null,"websiteUrl":"https://docs.stripe.com/payments/machine","repoUrl":"https://github.com/stripe-samples/machine-payments","docsUrl":"https://docs.stripe.com/payments/machine/x402","lastVerified":"2026-10-26","notes":"In preview: you create a reusable Stripe crypto deposit address on Base, your server returns an x402 exact challenge paying to that address, the CDP facilitator settles USDC on-chain, and you record the transaction as a PaymentIntent in transaction_verification mode. Requires the 2026-05-27.preview API version and approval for the Stablecoins and Crypto payment method; available to US businesses outside New York, with other countries by request. Recorded crypto PaymentIntents also support USDC on Solana and Tempo. Sandbox testing works against Base Sepolia and the public x402.org facilitator. Stripe also accepts payments over MPP, the Machine Payments Protocol it co-authored with Tempo. Replaces our earlier \"Link for agents\" listing, whose x402 claim we could not re-verify."},{"id":"x402-sdk","name":"x402 SDKs (@x402/*, Python, Go)","org":"x402 Foundation","category":"sdk","status":"sdk","networks":["evm","solana","algorand","aptos","casper","stellar","ton","hedera","keeta"],"tokens":["token-agnostic"],"x402Methods":["exact","upto","batch-settlement"],"endpointUrl":null,"websiteUrl":"https://www.npmjs.com/package/@x402/core","repoUrl":"https://github.com/x402-foundation/x402","docsUrl":"https://docs.x402.org","lastVerified":"2026-10-26","notes":"Reference SDKs now published by the foundation: @x402/core plus per-chain mechanism packages (@x402/evm, @x402/svm, and Aptos, Casper, Stellar, TVM, Hedera, Keeta, and AVM siblings) and Express, Hono, Fastify, Next.js, fetch, axios, paywall, and MCP adapters on npm; x402 on PyPI; the Go module under x402-foundation/x402/go/v2; a Java tree in the repo without published install steps. Supersedes the older @coinbase/x402 package (last published December 2025)."},{"id":"cloudflare-agents-x402","name":"Cloudflare Agents SDK x402","org":"Cloudflare","category":"sdk","status":"sdk","networks":["base","ethereum-mainnet","polygon","optimism","arbitrum","avalanche","solana","aptos","stellar","sui","hedera","algorand"],"tokens":["USDC"],"x402Methods":["exact","upto"],"endpointUrl":null,"websiteUrl":"https://developers.cloudflare.com/agents/tools/payments/x402/","repoUrl":"https://github.com/cloudflare/agents","docsUrl":"https://developers.cloudflare.com/agents/tools/payments/x402/","lastVerified":"2026-10-26","notes":"x402 on Workers and the Agents SDK: charge per tool call with paidTool, and pay from agents by wrapping MCP clients with withX402Client (agents/x402, shipped inside the agents package). The exact scheme covers EVM, Solana, Aptos, Stellar, Hedera, Sui, and Algorand; upto is EVM only. Examples use the public x402.org facilitator, which Coinbase operates and which holds no funds."},{"id":"tensorfeed-python-sdk","name":"tensorfeed (Python)","org":"TensorFeed.ai","category":"sdk","status":"sdk","networks":["base"],"tokens":["USDC"],"x402Methods":["exact"],"endpointUrl":null,"websiteUrl":"https://pypi.org/project/tensorfeed/","repoUrl":null,"docsUrl":"https://tensorfeed.ai/developers/agent-payments","lastVerified":"2026-10-26","notes":"Python SDK with optional [web3] extra for one-call USDC sign-and-send. Targets the TensorFeed API but the payment helpers are reusable for any AFTA-compliant publisher."},{"id":"tensorfeed-js-sdk","name":"tensorfeed (JavaScript)","org":"TensorFeed.ai","category":"sdk","status":"sdk","networks":["base"],"tokens":["USDC"],"x402Methods":["exact"],"endpointUrl":null,"websiteUrl":"https://www.npmjs.com/package/tensorfeed","repoUrl":null,"docsUrl":"https://tensorfeed.ai/developers/agent-payments","lastVerified":"2026-10-26","notes":"TypeScript SDK with full coverage of free + premium endpoints and the x402 confirm flow."},{"id":"afta-gateway","name":"afta-gateway","org":"TensorFeed.ai","category":"gateway","status":"gateway","networks":["base"],"tokens":["USDC"],"x402Methods":["exact"],"endpointUrl":null,"websiteUrl":"https://github.com/RipperMercs/afta-gateway","repoUrl":"https://github.com/RipperMercs/afta-gateway","docsUrl":"https://tensorfeed.ai/agent-fair-trade","lastVerified":"2026-10-26","notes":"Drop-in Cloudflare Worker template. Wraps any HTTP API in AFTA primitives: USDC verification, bearer-token credits, Ed25519-signed receipts, code-enforced no-charge ledger. MIT, no protocol fee, no signup. Fork, set 3 secrets, deploy."},{"id":"tensorfeed-mcp","name":"tensorfeed-mcp (MCP server)","org":"TensorFeed.ai","category":"reference","status":"live","networks":["base"],"tokens":["USDC"],"x402Methods":["exact"],"endpointUrl":null,"websiteUrl":"https://github.com/RipperMercs/tensorfeed-mcp","repoUrl":"https://github.com/RipperMercs/tensorfeed-mcp","docsUrl":"https://registry.modelcontextprotocol.io/v0.1/servers/ai.tensorfeed%2Fmcp-server/versions/latest","lastVerified":"2026-10-26","notes":"MCP server that consumes a TensorFeed bearer token (paid via USDC on Base) and exposes paid premium tools to any MCP client (Claude Desktop, Claude Code, Cursor, Cline, etc). Reference example of how an MCP server can wrap an x402 publisher."}]}