Circle USDC and EURC control events on Ethereum, Base and Arbitrum, newest first
Circle USDC and EURC control events on Ethereum, Base and Arbitrum, newest first: blacklistings and reversals, pauses, minter allowances, role changes and proxy upgrades, each with block, time, transaction and address. Since a date (up to 90 days back), filter by chain, token and type, 500 a page. Use to monitor freezes and issuer control actions. From the contracts' own logs, refreshed daily. JSON, no API key. $0.01 per call. Blockchain IQ.
Answeringour last check, 2026-10-18
1 of 1checks answered this week
276 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://www.blockchainiq.co/api/x402/v1/stablecoins/events
| Category | Market data |
|---|---|
| Provider host | www.blockchainiq.co |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-18 | valid payment request | 402 | $0.01 | 276 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"since": "2026-09-17",
"type": "blacklist"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"chain": {
"enum": [
"ethereum",
"base",
"arbitrum"
],
"type": "string"
},
"cursor": {
"description": "nextCursor from the previous page",
"type": "string"
},
"since": {
"description": "First UTC day, at most 90 days ago; default 30 days ago",
"format": "date",
"type": "string"
},
"token": {
"enum": [
"USDC",
"EURC"
],
"type": "string"
},
"type": {
"description": "blacklist (Blacklisted, UnBlacklisted), pause, minter (MinterConfigured, MinterRemoved), role (role holder changes), upgrade (Upgraded, AdminChanged)",
"enum": [
"blacklist",
"pause",
"minter",
"role",
"upgrade"
],
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}