# Agent/Wallet Reputation Score

> Agent/Wallet Reputation Score is a paid API for AI agents from x402-services-production.up.railway.app, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14).

Returns a 0-100 on-chain trust score and tier label for a wallet address, based on activity, holdings, counterparty diversity, and sanctions checks

## Facts

- Endpoint: POST https://x402-services-production.up.railway.app/api/agent/reputation
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/agent-wallet-reputation-score-3f60701f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_sj65EnfZr2mV40Zn2uufA

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 agent-wallet-reputation-score-3f60701f -d '<json body>'
```

Example prompt: Before I accept this payment, can you check the on-chain reputation score for wallet 0x742d35Cc6634C0532925a3b8D4C9B7e2 — I want to know its trust tier and whether it's flagged for sanctions?

## When to prefer this

Use this endpoint when you need a portable, composable trust signal for a wallet before transacting in the agent economy — especially when you want a single scored summary that combines activity depth, holdings, counterparty diversity, and sanctions screening rather than fetching raw transaction data yourself

## Known failure modes

- Invalid or malformed wallet address returns a 400 error
- Address not found on-chain may return a minimal score with sparse data
- Sanctions data sources temporarily unavailable may affect score accuracy
- Payment failure (insufficient USDC) returns 402 Payment Required
- Network timeout for wallets with very high transaction history

## How this service works

Agent/wallet reputation score (0-100): a portable on-chain trust signal — activity, holdings, counterparty diversity, and sanctions — with a tier (untrusted/new/emerging/established/trusted). Send { address }. Decide whether to transact with a wallet in the agent economy.

## Output

Returns a numeric reputation score from 0 to 100 and a trust tier label (untrusted, new, emerging, established, or trusted), derived from on-chain activity history, token holdings, counterparty diversity, and sanctions screening for the queried wallet address

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "address"
 ],
 "properties": {
  "address": {
   "type": "string",
   "description": "0x wallet address to score"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/agent-wallet-reputation-score-3f60701f/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-services-production.up.railway.app](https://www.zero.xyz/host/x402-services-production.up.railway.app/llms.txt)