# BunnVault On-Chain Agent Reputation Oracle

> BunnVault On-Chain Agent Reputation Oracle is a paid API for AI agents from bunnvault.xyz, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).

Looks up an on-chain reputation score for an agent or wallet address using the Ethereum Attestation Service (EAS) on Base Mainnet

## Facts

- Endpoint: POST https://bunnvault.xyz/api/vault/reputation
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/bunnvault-on-chain-agent-reputation-oracle-3f2c66f3
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_59J_nD2g0PXHuVbTRjw4_

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability bunnvault-on-chain-agent-reputation-oracle-3f2c66f3 -d '<json body>'
```

Example prompt: Can you check the on-chain reputation of agent address 0x4a8f...3c12 on BunnVault — I want to know if it's trustworthy before I let it manage any funds?

## When to prefer this

Choose this endpoint when you need cryptographically grounded, on-chain reputation data for an AI agent or wallet address specifically on Base Mainnet, backed by EAS attestations rather than off-chain heuristics. Prefer it over social or web2 reputation services when operating in a DeFi or autonomous agent context where tamper-resistant, verifiable trust scores matter — especially before delegating tasks, sending funds, or interacting with unknown agents.

## Known failure modes

- Invalid or malformed address (not a valid 0x Ethereum address) returns a validation error
- Address has no EAS attestations on Base Mainnet, returning empty or zero reputation
- Network or RPC issues querying Base Mainnet may cause timeouts
- Payment failure if USDC balance is insufficient for the $0.005 fee
- Rate limiting if too many lookups are performed in rapid succession

## How this service works

BunnVault: On-chain agent reputation oracle via EAS on Base Mainnet

## Output

Returns on-chain reputation data for the queried wallet or agent address, sourced from EAS attestations on Base Mainnet. Likely includes a reputation score or rating, attestation count or history, and trust-related signals derived from verified on-chain activity.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "address": {
   "type": "string",
   "description": "Agent or wallet address to look up (0x...)"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/bunnvault-on-chain-agent-reputation-oracle-3f2c66f3/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from bunnvault.xyz](https://www.zero.xyz/host/bunnvault.xyz/llms.txt)