{"protocol":"x402","x402Version":1,"network":"base","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","asset_name":"USD Coin (USDC) on Base","facilitator":"https://facilitator.payai.network","enabled":true,"payTo":"0xb525F2c54Ae0c3B3466206694726f85C7Cf7b985","status":"https://dynamicfeed.ai/v1/pro/diag","discovery":"Each endpoint also returns the x402 'bazaar' extension on its HTTP 402 response, so facilitators auto-catalog it. This endpoint is the same menu in one place.","receipts":"Add {\"receipt\": true} to any paid request body to also receive a signed delivery-receipt/v1 in the X-DF-RECEIPT response header \u2014 PROOF OF DELIVERY: what this call returned (result_sha256) and when. It's the fulfillment half of an agent transaction: an AP2 (Agent Payments Protocol) mandate proves the agent was AUTHORIZED to pay; this proves WHAT it received. Payer hashed (zero-PII); verify against /.well-known/keys; schema at /schemas/delivery-receipt-v1.json. Optional, off by default.","skus":[{"id":"batch","endpoint":"https://dynamicfeed.ai/v1/pro/batch","method":"POST","description":"Up to 100 signed tool calls in a single request.","input":{"calls":[{"tool":"current_weather","args":{"city":"Tokyo"}}]},"output_example":{"count":1,"tier":"pro","paid":true,"results":[{"tool":"current_weather","ok":true,"data":{}}]},"scheme":"exact","price":{"atomic":"1000","human":"0.001 USDC","asset":"USDC","decimals":6}},{"id":"single_tool","endpoint":"https://dynamicfeed.ai/v1/pro/tool/{tool}","method":"POST","description":"One signed call to any live tool (path param is the tool name).","input":{"args":{}},"output_example":{"tool":"current_weather","ok":true,"data":{},"paid":true},"scheme":"exact","price":{"atomic":"1000","human":"0.001 USDC","asset":"USDC","decimals":6}},{"id":"asof_replay","endpoint":"https://dynamicfeed.ai/v1/pro/asof","method":"POST","description":"Signed as-of archive replay \u2014 a tool's value at a past instant, for agent backtesting and decision-time audit (identity-bearing tools excluded, zero-PII).","input":{"tool":"current_weather","t":"2026-06-10T14:30:00Z"},"output_example":{"found":true,"tool":"current_weather","archived_at":"...","distance_seconds":0,"signature":"..."},"scheme":"exact","price":{"atomic":"1000","human":"0.001 USDC","asset":"USDC","decimals":6}}],"boundary":"Dynamic Feed is the merchant charging for its own service; the x402 facilitator verifies + settles on-chain. Dynamic Feed never custodies, holds, or routes funds.","served_by":{"provider":"Dynamic Feed","url":"https://dynamicfeed.ai","verify":"https://dynamicfeed.ai/.well-known/keys","facts":"https://dynamicfeed.ai/v1/facts","mcp":"https://dynamicfeed.ai/mcp","docs":"https://dynamicfeed.ai/llms.txt"},"signature":{"alg":"Ed25519","key_id":"df-ed25519-4cb32e72f333","canonicalization":"json-sorted-compact","sig":"oyn3-Qt3jQzbjTyV62U58n-ZOT_UIUgVG5KFIEXAYU8MICyrURb7zWMPE1gDLMmUo6pZV0WR4MeqP1HSbZ7IDw=="}}