JPYC transfer metrics computed hourly from finalized Polygon blocks: event count, unique s
JPYC transfer metrics computed hourly from finalized Polygon blocks: event count, unique senders and receivers, volume, median and top receivers. Covers approximately 24 hours ending at the newest finalized hourly bucket; exact block and time range are in the response. Use for current JPYC usage metrics; not for wallet balances, price, news, supply or financial advice.
10000 (raw units)
price
1
calls / 30d
1
unique payers
2026-09-08
updated
Provider
open-pay.jp · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x52d4901142e2B5680027da5EB47C86CB02a3cA81",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "10000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"chain": "polygon",
"window": "24h"
},
"type": "http"
},
"output": {
"example": {
"chain": "polygon",
"chainId": 137,
"contract": "0xE7C3D8C9a439feDe00D2600032D5dB0Be71C3c29",
"definitions": {
"countUnit": "events",
"eligible": "positive-value transfers with distinct sender and receiver, excluding the zero address",
"median": "floored atomic average for even counts"
},
"expiresAt": "2026-09-08T06:59:58.000Z",
"fromBlock": "92343600",
"fromTimestamp": "2026-09-07T03:00:00.000Z",
"generatedAt": "2026-09-08T03:20:00.000Z",
"medianTransfer": "1000000000000000000",
"medianTransferFormatted": "1",
"notice": "onchain-facts-only",
"observedAt": "2026-09-08T02:59:58.000Z",
"schemaVersion": "2.2",
"termsUrl": "https://open-pay.jp/en/terms",
"toBlock": "92386799",
"toTimestamp": "2026-09-08T02:59:58.000Z",
"token": {
"decimals": 18,
"symbol": "JPYC"
},
"topReceivers": [
{
"address": "0x52d4901142e2b5680027da5eb47c86cb02a3ca81",
"count": 1,
"volume": "1000000000000000000",
"volumeFormatted": "1"
}
],
"transferCount": 1,
"uniqueReceivers": 1,
"uniqueSenders": 1,
"volume": "1000000000000000000",
"volumeFormatted": "1",
"window": "24h"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"chain": {
"description": "Polygon mainnet only.",
"enum": [
"polygon"
],
"type": "string"
},
"window": {
"default": "24h",
"description": "Approximately 24 hours in whole finalized hourly buckets.",
"enum": [
"24h"
],
"type": "string"
}
},
"required": [
"chain"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"chain": {
"const": "polygon",
"type": "string"
},
"chainId": {
"const": 137,
"type": "integer"
},
"contract": {
"pattern": "^0x[a-fA-F0-9]{40}$",
"type": "string"
},
"definitions": {
"additionalProperties": false,
"properties": {
"countUnit": {
"const": "events",
"type": "string"
},
"eligible": {
"const": "positive-value transfers with distinct sender and receiver, excluding the zero address",
"type": "string"
},
"median": {
"const": "floored atomic average for even counts",
"type": "string"
}
},
"required": [
"eligible",
"countUnit",
"median"
],
"type": "object"
},
"expiresAt": {
"format": "date-time",
"type": "string"
},
"fromBlock": {
"pattern": "^[0-9]+$",
"type": "string"
},
"fromTimestamp": {
"format": "date-time",
"type": "string"
},
"generatedAt": {
"format": "date-time",
"type": "string"
},
"medianTransfer": {
"pattern": "^[0-9]+$",
"type": "string"
},
"medianTransferFormatted": {
"pattern": "^[0-9]+(\\.[0-9]+)?$",
"type": "string"
},
"notice": {
"const": "onchain-facts-only",
"description": "On-chain facts computed hourly from finalized Polygon blocks. Informational only; not financial advice. Full terms at termsUrl.",
"type": "string"
},
"observedAt": {
"format": "date-time",
"type": "string"
},
"schemaVersion": {
"const": "2.2",
"type": "string"
},
"termsUrl": {
"format": "uri",
"type": "string"
},
"toBlock": {
"pattern": "^[0-9]+$",
"type": "string"
},
"toTimestamp": {
"format": "date-time",
"type": "string"
},
"token": {
"additionalProperties": false,
"properties": {
"decimals": {
"const": 18,
"type": "integer"
},
"symbol": {
"const": "JPYC",
"type": "string"
}
},
"required": [
"symbol",
"decimals"
],
"type": "object"
},
"topReceivers": {
"items": {
"additionalProperties": false,
"properties": {
"address": {
"pattern": "^0x[a-f0-9]{40}$",
"type": "string"
},
"count": {
"minimum": 1,
"type": "integer"
},
"volume": {
"pattern": "^[0-9]+$",
"type": "string"
},
"volumeFormatted": {
"pattern": "^[0-9]+(\\.[0-9]+)?$",
"type": "string"
}
},
"required": [
"address",
"count",
"volume",
"volumeFormatted"
],
"type": "object"
},
"maxItems": 5,
"type": "array"
},
"transferCount": {
"minimum": 0,
"type": "integer"
},
"uniqueReceivers": {
"minimum": 0,
"type": "integer"
},
"uniqueSenders": {
"minimum": 0,
"type": "integer"
},
"volume": {
"pattern": "^[0-9]+$",
"type": "string"
},
"volumeFormatted": {
"pattern": "^[0-9]+(\\.[0-9]+)?$",
"type": "string"
},
"window": {
"const": "24h",
"type": "string"
}
},
"required": [
"schemaVersion",
"token",
"generatedAt",
"notice",
"termsUrl",
"chain",
"chainId",
"contract",
"window",
"fromBlock",
"toBlock",
"fromTimestamp",
"toTimestamp",
"transferCount",
"uniqueSenders",
"uniqueReceivers",
"volume",
"volumeFormatted",
"medianTransfer",
"medianTransferFormatted",
"topReceivers",
"definitions",
"observedAt",
"expiresAt"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
}Use it
curl
curl "https://open-pay.jp/api/paid/usdc/jpyc/activity" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://open-pay.jp/api/paid/usdc/jpyc/activity");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://open-pay.jp/api/paid/usdc/jpyc/activity")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/7558.json, and this resource appears in /discovery/resources and /discovery/search.