USDC & EURC Blacklist Events
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. $0.02 per call. Blockchain IQ.
Offering
- Provider
- www.blockchainiq.co
- Method
- GET
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- Other
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://www.blockchainiq.co/api/x402/v1/stablecoins/events- MIME type
- application/json
- First seen
- 2026-10-19T02:33:22.426Z
- Last seen
- Tags
- stablecoins, USDC, blacklist, circle, on-chain
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.02 USDC
Atomic price: 20000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "20000",
"payTo": "0x617dA9383fbA67e86137BC4924b8b7E400fB7C9e"
}
]Observed health
- Status
- Healthy
- Latest latency
- 130 ms
- Average latency
- 208 ms
- HTTP status
- 402
- Last checked
- Reachability
- 100% over 12 checks
Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.
Input schema
{
"type": "object",
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"type": "string",
"enum": [
"GET"
]
},
"queryParams": {
"type": "object",
"properties": {
"since": {
"type": "string",
"pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}$",
"description": "First UTC day, at most 90 days ago; default 30 days ago"
},
"chain": {
"type": "string",
"enum": [
"ethereum",
"base",
"arbitrum"
]
},
"token": {
"type": "string",
"enum": [
"USDC",
"EURC"
]
},
"type": {
"type": "string",
"enum": [
"blacklist",
"pause",
"minter",
"role",
"upgrade"
],
"description": "blacklist (Blacklisted, UnBlacklisted), pause, minter (MinterConfigured, MinterRemoved), role (role holder changes), upgrade (Upgraded, AdminChanged)"
},
"cursor": {
"type": "string",
"description": "nextCursor from the previous page"
}
}
}
},
"required": [
"type",
"method"
],
"additionalProperties": false
}Output schema
{
"$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"
}