# AvisRadar Agent Reputation Score

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

Returns a 0-100 reputation score for any onchain AI agent on Base, aggregating payment activity, registry feedback, and endpoint health

## Facts

- Endpoint: GET https://avisradar-production.up.railway.app/api/agent/score/:address
- 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/avisradar-production-up-railway-app-89624bbe
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_htyInjNXSKS_qlVhsoo4b

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 avisradar-production-up-railway-app-89624bbe
```

Example prompt: What's the reputation score for the onchain AI agent at Base address 0x1234abcd...? I want to know how trustworthy it is before I interact with it.

## When to prefer this

Use this endpoint when you need to evaluate the trustworthiness or track record of a specific onchain AI agent deployed on Base before interacting with or delegating to it. Especially useful when the agent participates in x402 payment flows or is registered in the ERC-8004 ReputationRegistry.

## Known failure modes

- Invalid or malformed Base address returns 400 error
- Address not found in any registry returns score of 0 or null
- Network or Railway deployment downtime returns 503
- Address is an EOA wallet rather than an agent contract — may return low or no data
- Rate limiting if called too frequently without payment

## How this service works

Vet any onchain AI agent before paying it. Returns 0-100 trust score with health check. Anti-fraud signal for orchestrators, buyer agents, x402 clients, ERC-8004 lookups, agent marketplaces. Inputs: x402 Bazaar activity, ERC-8004 ReputationRegistry feedback, live endpoint health.

## Output

A reputation score from 0 to 100 for the queried Base agent address, derived from aggregated x402 Bazaar payment activity, ERC-8004 ReputationRegistry community feedback, and real-time endpoint health checks.

## Example request

```json
{
 "address": "0x1234567890123456789012345678901234567890"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/avisradar-production-up-railway-app-89624bbe/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from avisradar-production.up.railway.app](https://www.zero.xyz/host/avisradar-production.up.railway.app/llms.txt)