{ "x402Version": 2, "id": 7561, "slug": "7561", "resource": "https://open-pay.jp/api/paid/usdc/jpyc/transfers", "description": "List recent JPYC Transfer events on one supported chain from roughly the last hour of blocks, optionally filtered by address — tx hash, from, to, amount, block. Without a cursor: newest first. With a cursor: only events after that position, oldest first, so each observed event is returned once within the scanned window. Use to confirm a recent JPYC payment or monitor wallet activity. Not for history beyond the window, sanctions screening, identity, or finality proof.", "type": "http", "accepts": [ { "scheme": "exact", "network": "eip155:8453", "payTo": "0x52d4901142e2B5680027da5EB47C86CB02a3cA81", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "5000", "maxTimeoutSeconds": 300 } ], "outputSchema": { "bazaar": { "info": { "input": { "method": "GET", "queryParams": { "chain": "polygon", "limit": "20" }, "type": "http" }, "output": { "example": { "chain": "polygon", "chainId": 137, "contract": "0xE7C3D8C9a439feDe00D2600032D5dB0Be71C3c29", "fromBlock": "92385945", "generatedAt": "2026-08-21T04:30:45.340Z", "hasMore": false, "items": [ { "blockNumber": "92387695", "from": "0x13FE0A65D0aA7641B44D1AF17ECE4b41cEbB1880", "logIndex": 286, "to": "0xB808AF91bDc577BFb3f9c91470f3286dd076e5C1", "txHash": "0xcae3af66168483e5905709cfc8f7cc0162f5234b9c456905df8ab4917b6f8c39", "value": "600000000000000000000000", "valueFormatted": "600000" } ], "mode": "snapshot", "nextCursor": "92387695:286", "notice": "onchain-facts-only", "schemaVersion": "2.2", "termsUrl": "https://open-pay.jp/en/terms", "toBlock": "92387745", "token": { "decimals": 18, "symbol": "JPYC" }, "truncated": false }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "method": { "enum": [ "GET" ], "type": "string" }, "queryParams": { "additionalProperties": false, "properties": { "address": { "description": "Only transfers where this address is the sender or the recipient.", "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "chain": { "description": "Chain to scan. Supported values: polygon, kaia, avalanche, ethereum.", "enum": [ "polygon", "kaia", "avalanche", "ethereum" ], "type": "string" }, "cursor": { "description": "The nextCursor value from a previous response (\":\"). Returns only transfers newer than that position, oldest first (mode=delta), so repeated calls pay only for new events and return each observed event once within the scanned window, assuming stable chain history; continue with nextCursor while hasMore is true.", "pattern": "^[0-9]+:(?:-1|[0-9]+)$", "type": "string" }, "limit": { "default": "20", "description": "Maximum number of transfer events to return, newest first (1-100). This is not a page number.", "pattern": "^(?:[1-9]|[1-9][0-9]|100)$", "type": "string" } }, "required": [ "chain" ], "type": "object" }, "type": { "const": "http", "type": "string" } }, "required": [ "type", "method" ], "type": "object" }, "output": { "properties": { "example": { "$schema": "https://json-schema.org/draft/2020-12/schema", "additionalProperties": false, "properties": { "chain": { "enum": [ "polygon", "kaia", "avalanche", "ethereum" ], "type": "string" }, "chainId": { "minimum": 1, "type": "integer" }, "contract": { "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "fromBlock": { "pattern": "^[0-9]+$", "type": "string" }, "generatedAt": { "format": "date-time", "type": "string" }, "hasMore": { "description": "delta: more events exist after the returned ones — call again with nextCursor to continue. snapshot: older events in the window were omitted and are NOT retrievable via nextCursor (it starts after the newest returned event).", "type": "boolean" }, "items": { "items": { "additionalProperties": false, "properties": { "blockNumber": { "pattern": "^[0-9]+$", "type": "string" }, "from": { "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "logIndex": { "minimum": 0, "type": "integer" }, "to": { "pattern": "^0x[a-fA-F0-9]{40}$", "type": "string" }, "txHash": { "pattern": "^0x[a-fA-F0-9]{64}$", "type": "string" }, "value": { "description": "Atomic JPYC amount with 18 decimals.", "pattern": "^[0-9]+$", "type": "string" }, "valueFormatted": { "pattern": "^[0-9]+(\\.[0-9]+)?$", "type": "string" } }, "required": [ "blockNumber", "txHash", "logIndex", "from", "to", "value", "valueFormatted" ], "type": "object" }, "type": "array" }, "mode": { "description": "snapshot = no cursor was supplied; items are newest first. delta = a cursor was supplied; items are the events after that position, oldest first.", "enum": [ "snapshot", "delta" ], "type": "string" }, "nextCursor": { "description": "Pass as the cursor query parameter on the next call to receive only transfers newer than this response (\":\"). In snapshot mode this is where monitoring starts (after the newest returned event). Never moves backwards relative to the cursor you supplied.", "pattern": "^[0-9]+:(?:-1|[0-9]+)$", "type": "string" }, "notice": { "const": "onchain-facts-only", "description": "On-chain facts read from public RPC endpoints at request time. Informational only — not financial advice, not an offer, quote or solicitation. Full terms at termsUrl.", "type": "string" }, "schemaVersion": { "const": "2.2", "type": "string" }, "termsUrl": { "format": "uri", "type": "string" }, "toBlock": { "pattern": "^[0-9]+$", "type": "string" }, "token": { "additionalProperties": false, "properties": { "decimals": { "const": 18, "type": "integer" }, "symbol": { "const": "JPYC", "type": "string" } }, "required": [ "symbol", "decimals" ], "type": "object" }, "truncated": { "description": "true when the supplied cursor is older than the scanned block window; events between the cursor and fromBlock were not scanned.", "type": "boolean" } }, "required": [ "schemaVersion", "token", "generatedAt", "notice", "termsUrl", "chain", "chainId", "contract", "fromBlock", "toBlock", "mode", "nextCursor", "hasMore", "truncated", "items" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" } } }, "tags": [ "bazaar" ], "sourceHost": "open-pay.jp", "lastUpdated": "2026-08-23T05:09:04.491Z", "quality": { "calls30d": 6, "uniquePayers30d": 1, "lastCalledAt": "2026-08-23T05:09:04.2Z" }, "liveness": {}, "verified": false, "featured": false, "provider": { "host": "open-pay.jp", "manifest_name": "open-pay.jp", "source": "cdp-mirror", "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "submitted_at": "2026-09-18T22:00:31.484Z" } }