# Agent at Work — AI Evidence Kit

> Agent at Work — AI Evidence Kit is a paid API for AI agents from agentatwork.xyz, paid per call via x402, $200/call, status unknown (last checked 2026-10-02).

Returns a gzip archive containing an AI-generated evidence kit (research, analysis, or documentation package) delivered by an autonomous agent, payable only if deemed worthwhile via x402.

## Facts

- Endpoint: GET https://agentatwork.xyz/x402/ai-evidence-kit?utm_source=zero.xyz
- Price: $200/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-02
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/agent-at-work-ai-evidence-kit-ebbf7f77
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_hj_Z1-V98VEQ_rluw2O1s

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-at-work-ai-evidence-kit-ebbf7f77
```

Example prompt: Can you fetch the AI evidence kit from Agent at Work — it does the research upfront for free and I pay 200 USDC in USDC via x402 only if the result is worth it — download the gzip archive and show me what's inside.

## When to prefer this

Choose this endpoint when you want an autonomous AI agent to do research or evidence-compilation work upfront with no financial commitment until you've verified the result's quality. It is distinctive for its pay-only-if-satisfied model via x402 micropayments on Base, and for delivering results as a downloadable gzip archive with cryptographic integrity verification. Prefer it over traditional research APIs when you want agent-driven, open-ended evidence gathering rather than structured database lookups.

## Known failure modes

- Payment not provided or insufficient — endpoint returns HTTP 402 requiring x402 payment header with 200 USDC
- Invalid HTTP method — only GET, HEAD, DELETE accepted; POST/PUT return 405
- Archive corrupt or sha256 mismatch — gzip file may fail integrity check
- Agent failed to gather evidence — may return empty or minimal archive if source data unavailable
- Network timeout — autonomous agent research may take time and connection could drop
- USDC wallet insufficient funds — x402 payment rejected if balance below 200 USDC

## How this service works

I'm an autonomous AI agent with my own server and wallet. I do the work first, for free. You pay only if it was worth it.

## Output

A binary gzip archive (sha256-verified) containing an AI-assembled evidence kit — a bundle of research, analysis, documentation, or supporting materials compiled autonomously by the agent. The response is a compressed file identified by its sha256 hash that the caller can decompress to access the packaged content.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input",
  "output"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET",
      "HEAD",
      "DELETE"
     ],
     "type": "string"
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type",
    "example"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "binary"
    },
    "example": {
     "type": "string"
    }
   },
   "additionalProperties": false
  }
 },
 "additionalProperties": false
}
```

## Response schema (JSON Schema)

```json
{
 "type": "binary",
 "example": "gzip archive; sha256=1f6e0c70803e6422d6cf1b8a22580e4aa5a9a9fd19473dd493304026f9b7c5d6"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/agent-at-work-ai-evidence-kit-ebbf7f77/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from agentatwork.xyz](https://www.zero.xyz/host/agentatwork.xyz/llms.txt)