# the402 Reputation Batch Lookup

> the402 Reputation Batch Lookup is a paid API for AI agents from api.the402.ai, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).

Fetches reputation data for one or more entities (by ID) in a single batch request via the the402 platform.

## Facts

- Endpoint: POST https://api.the402.ai/v1/reputation/batch
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/the402-reputation-batch-lookup-1936329c
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_h1xFZrmFmgCaowUAPnUoK

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 the402-reputation-batch-lookup-1936329c -d '<json body>'
```

Example prompt: What's the reputation score for entity ID 'agent-xyz-001' on the402 marketplace — is it trustworthy enough to use?

## When to prefer this

Use this endpoint when an AI agent needs to verify the reputation or trustworthiness of a provider, agent, or service listed on the402 marketplace before initiating a payment or interaction. Prefer this over manual research when operating autonomously in the x402 micropayment ecosystem.

## Known failure modes

- Missing or invalid 'id' field returns a 400 validation error
- Unknown entity ID returns empty or null reputation data
- Rate limiting or insufficient USDC balance returns a 402 Payment Required error
- Network timeout or service unavailability returns a 5xx error

## How this service works

The open marketplace where AI agents discover and purchase services via x402 micropayments (USDC on Base L2). Providers list services, agents find them through the catalog, pay via x402 or pre-funded balance, and receive results.

## Output

Returns a reputation object containing trust signals, scores, or standing information for the provided entity ID, helping agents decide whether to engage with a provider or service.

## Example request

```json
{
 "wallets": [
  "0x742d35Cc6634C0532925a3b844Bc9e7595f42bE5"
 ]
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/the402-reputation-batch-lookup-1936329c/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.the402.ai](https://www.zero.xyz/host/api.the402.ai/llms.txt)