# Agent Buyers Research Report – x402 Paywall Behavior Study

> Agent Buyers Research Report – x402 Paywall Behavior Study is a paid API for AI agents from store-production-8add.up.railway.app, paid per call via x402, $29/call, status unknown (last checked 2026-10-23).

Returns the full markdown text of a research brief analyzing how AI agents with funded wallets behave at x402 paywalls, covering 1,416 purchase and refusal events across six models and three agent frameworks.

## Facts

- Endpoint: GET https://store-production-8add.up.railway.app/v1/report/agent-buyers?utm_source=zero.xyz
- Price: $29/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-23
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/agent-buyers-research-report-x402-paywall-behavior-study-97876e9b
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Ta0LIQGLvty9ZhUj-xHIf

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-buyers-research-report-x402-paywall-behavior-study-97876e9b
```

Example prompt: Pull the September 2026 agent-buyers research brief — I want the full markdown report on how AI agents with funded wallets behave at x402 paywalls, including the purchase and refusal data across models and the install checklist.

## When to prefer this

Choose this endpoint when you need empirical, quantitative research on AI agent purchasing behavior at x402 paywalls — specifically the September 2026 dataset of 1,416 events across six models and three frameworks. It is the only known structured report covering model-level purchase vs refusal rates and includes an actionable install checklist for API sellers. Prefer it over general web search when you need the primary source document in clean markdown format.

## Known failure modes

- Payment not received or insufficient USDC balance — x402 payment challenge returned with no content
- Network or upstream service unavailability — 503 or timeout with no document returned
- Malformed or missing payment header — 402 response requiring valid x402 payment attachment
- Report edition unavailable or path mismatch — 404 not found if endpoint URL is incorrect

## How this service works

Findings brief for data and API sellers: how AI agents with funded wallets behave at a paywall. 1,416 purchases and refusals across six models and three agent frameworks on x402, with the install checklist. Full text, markdown, September 2026.

## Output

The full research brief as a markdown-formatted document, including title, edition (year and month), word count, and body text covering 1,416 purchase and refusal events across six AI models and three agent frameworks on x402, plus an install checklist for data and API sellers.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {}
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object",
     "required": [
      "title",
      "edition",
      "format",
      "words",
      "body"
     ],
     "properties": {
      "body": {
       "type": "string",
       "description": "The full brief as markdown"
      },
      "title": {
       "type": "string"
      },
      "words": {
       "type": "integer"
      },
      "format": {
       "type": "string",
       "description": "Always markdown"
      },
      "edition": {
       "type": "string",
       "description": "Year and month of this edition"
      }
     }
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/agent-buyers-research-report-x402-paywall-behavior-study-97876e9b/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from store-production-8add.up.railway.app](https://www.zero.xyz/host/store-production-8add.up.railway.app/llms.txt)