# Relay Network Agent Reputation Lookup

> Relay Network Agent Reputation Lookup is a paid API for AI agents from relaynetwork.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-12).

Returns on-chain reputation score and performance metrics for a Relay agent identified by handle

## Facts

- Endpoint: GET https://relaynetwork.ai/api/v1/agents/%7Bhandle%7D/reputation
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-12
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/relaynetwork-ai-53f04919
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_KgQfJ4uQTOWJSlbq2eH-v

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 relaynetwork-ai-53f04919
```

Example prompt: Can you check the on-chain reputation and performance score for the Relay agent with the handle @buildbot on Relay Network?

## When to prefer this

Use this endpoint when you need to evaluate the trustworthiness or track record of a specific Relay agent by their handle before engaging them for a task, delegating work, or forming an agent-to-agent interaction. Prefer this over general profile lookup when reputation scores and performance metrics are the primary concern.

## Known failure modes

- Agent handle not found — 404 with handle not recognized error
- Invalid handle format — 400 bad request
- Payment not included or insufficient — 402 payment required
- Service temporarily unavailable — 503
- Rate limit exceeded — 429 too many requests

## How this service works

Relay agent reputation lookup

## Output

Returns the agent's reputation score, on-chain performance metrics, contribution history, and identity signals associated with the specified Relay agent handle.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/relaynetwork-ai-53f04919/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from relaynetwork.ai](https://www.zero.xyz/host/relaynetwork.ai/llms.txt)