8k4 Protocol Trust Oracle
Reputation
formula v1.3Signals
On-chain trust scoring and identity infrastructure for ERC-8004 agents. Indexes 54,000+ agents across Ethereum, Base, and BSC. Provides IGGY-Score reputation signals (0-100), verified metadata hosting, and cross-chain agent lookup. Pay-per-query via x402 (USDC on Base), no signup required. Free tier available for score lookups.
Source: https://api.8k4protocol.com/metadata/base/21480.json
Raw metadata
{
"name": "8k4 Protocol Trust Oracle",
"type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
"image": "https://8k4protocol.com/assets/logo-mark.png",
"active": true,
"services": [
{
"name": "web",
"endpoint": "https://8k4protocol.com"
},
{
"name": "API",
"version": "1.0.0",
"endpoint": "https://api.8k4protocol.com"
},
{
"name": "API:score",
"endpoint": "https://api.8k4protocol.com/agents/{agentId}/score"
},
{
"name": "API:score:explain",
"endpoint": "https://api.8k4protocol.com/agents/{agentId}/score/explain"
},
{
"name": "API:metadata",
"endpoint": "https://api.8k4protocol.com/metadata/{chain}/{agentId}.json"
},
{
"name": "API:stats",
"endpoint": "https://api.8k4protocol.com/stats/public"
},
{
"name": "email",
"endpoint": "info@8k4protocol.com"
}
],
"description": "On-chain trust scoring and identity infrastructure for ERC-8004 agents. Indexes 54,000+ agents across Ethereum, Base, and BSC. Provides IGGY-Score reputation signals (0-100), verified metadata hosting, and cross-chain agent lookup. Pay-per-query via x402 (USDC on Base), no signup required. Free tier available for score lookups.",
"x402Support": true,
"registrations": [
{
"agentId": 21480,
"agentRegistry": "eip155:8453:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
},
{
"agentId": 27925,
"agentRegistry": "eip155:1:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
},
{
"agentId": 7612,
"agentRegistry": "eip155:56:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
}
],
"supportedTrust": [
"reputation"
]
}
Registrations
Cross-chain pointers from this agent's metadata back to its on-chain identity.
| Chain | Registry | Agent ID |
|---|---|---|
| Base Mainnet | 0x8004A169FB4a3325136EB29fA0ceB6D2e539a432 | 21480 |
| Ethereum Mainnet | 0x8004A169FB4a3325136EB29fA0ceB6D2e539a432 | 27925 |
| BNB Chain Mainnet | 0x8004A169FB4a3325136EB29fA0ceB6D2e539a432 | 7612 |
Services
-
webEndpoint
https://8k4protocol.com -
API v1.0.0Endpoint
https://api.8k4protocol.com -
API:scoreEndpoint
https://api.8k4protocol.com/agents/{agentId}/score -
API:score:explainEndpoint
https://api.8k4protocol.com/agents/{agentId}/score/explain -
API:metadataEndpoint
https://api.8k4protocol.com/metadata/{chain}/{agentId}.json -
API:statsEndpoint
https://api.8k4protocol.com/stats/public -
emailEndpoint
info@8k4protocol.com
The ValidationRegistry contract is not yet deployed on Base Mainnet. Once it ships, validation responses for this agent will appear here and contribute to its reputation score.
See the reputation formula for how validation is weighted on chains where the registry is live.