Use when an agent asks if a contract is an upgradeable proxy and where its code ...
https://api.oblique.markets/api/v1/paid/proxy-implementationOverview
Use when an agent asks if a contract is an upgradeable proxy and where its code is. Returns the standard (EIP-1967, beacon, UUPS, minimal, legacy, Safe, none), implementation, admin, beacon, slots and block read on Base, Ethereum, Optimism, Arbitrum or Polygon; 4 extra slots decoded. $0.003.
Protocol
x402
Price
$0.0030
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
Oblique Markets
Source
bazaar
Indexed
2026-09-12 02:13:18
Health
Status
healthy
Latency (p50)
616ms
Uptime (30d)
100.0%
Reliability Score
90/100
Last Checked
2026-10-31 07:13:38
Last Healthy
2026-10-31 07:13:38
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
},
"type": "http"
}
Output Schema
{
"example": {
"address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"admin": null,
"beacon": null,
"block_number": 40203311,
"block_tag": "latest",
"chain": "base",
"chain_id": 8453,
"extra_slots": [
{
"as_address": null,
"as_bool": false,
"as_uint256": "0",
"raw": "0x0000000000000000000000000000000000000000000000000000000000000000",
"slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
}
],
"freshness": {
"cache": "miss",
"cache_age_seconds": 0,
"served_at": "2026-09-12T01:30:00.120Z",
"ttl_seconds": 30
},
"implementation": "0x2Ce6311ddAE708829bc0784C967b7d77D19FD779",
"implementation_has_code": true,
"implementation_name": "FiatTokenV2_2",
"is_contract": true,
"is_proxy": true,
"proxy_name": "FiatTokenProxy",
"read_at": "2026-09-12T01:30:00.000Z",
"receipt": {
"payer": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
"payment_network": "eip155:8453",
"sku": "proxy-implementation"
},
"rpc": {
"calls": 9,
"endpoint_class": "public",
"hosts": [
"mainnet.base.org"
]
},
"slots_read": [
{
"label": "eip1967.implementation",
"raw": "0x0000000000000000000000000000000000000000000000000000000000000000",
"slot": "0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc"
},
{
"label": "eip1967.admin",
"raw": "0x0000000000000000000000000000000000000000000000000000000000000000",
"slot": "0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103"
}
],
"source": "public-rpc+explorer",
"standard": "oz-legacy"
},
"type": "json"
}