# Share pack — Agent Utilities (x402 · Base USDC)

**v0.3.76** · payTo `0xE79e7fa7Ce7259C46F9B127b837d2907Bb036F95` · facilitator CDP live

> **Purpose:** external distribution paste pack for directories, Bazaar, Virtuals ACP, and agent crawlers. Machine buyer settle path: [`/buyer.md`](./buyer.md).

## One-liner (paste anywhere)

```text
Agent research on Base x402 — free sample-outline → outline 0.01 USDC → brief 0.02 USDC. Start https://x402.devvizion.com/start · pitch https://x402.devvizion.com/pitch.json · catalog https://x402.devvizion.com/.well-known/x402 · share https://x402.devvizion.com/share.md · buyer https://x402.devvizion.com/buyer.md · MCP https://x402.devvizion.com/mcp
```

## Single stranger ladder

| Step | Action | Cost |
|------|--------|------|
| 0 free | `GET https://x402.devvizion.com/v0/sample-outline.json?topic=x402` (or markdown sample-outline) | 0 |
| 1 first pay | `POST https://x402.devvizion.com/v0/outline` `{"topic":"…"}` | **0.01** USDC |
| 2 upgrade | `POST https://x402.devvizion.com/v0/brief` `{"topic":"…"}` | **0.02** USDC |

## Machine free sample (WAVE22 — no MD parse)

- JSON free product + firstBuy: https://x402.devvizion.com/v0/sample-outline.json?topic=x402
- Also: `?format=json` · Accept: application/json

```bash
curl -s "https://x402.devvizion.com/v0/sample-outline.json?topic=x402"
```

## Machine pitch pack (agents crawl — no human paste)

- JSON settle recipe: https://x402.devvizion.com/pitch.json
- Aliases: https://x402.devvizion.com/agent-pitch.json · https://x402.devvizion.com/.well-known/agent-pitch.json
- Fields: convertLadder · firstBuy · payTo · mcp.install · marketplaces · directoryBlurb

```bash
curl -s "https://x402.devvizion.com/pitch.json"
```

## CDP Bazaar / Agentic commerce

- Merchant index: https://api.cdp.coinbase.com/platform/v2/x402/discovery/merchant?payTo=0xE79e7fa7Ce7259C46F9B127b837d2907Bb036F95
- Origin: https://x402.devvizion.com
- Well-known: https://x402.devvizion.com/.well-known/x402  (convertLadder + freeEndpoints + outline/brief lead)
- Unpaid POSTs return **402** with free-funnel pitch in resource.description
- Buyer settle steps: https://x402.devvizion.com/buyer.md
- Machine pitch: https://x402.devvizion.com/pitch.json

## Short listing blurb (≤280)

```text
x402 research API on Base. Free: GET /v0/sample-outline. Pay: outline 0.01 · brief 0.02 USDC. https://x402.devvizion.com/start · /.well-known/x402 · /share.md · /buyer.md · /mcp
```

## X / social paste (≤280)

```text
Base x402 research API for agents. Free sample-outline → outline 0.01 USDC → brief 0.02. https://x402.devvizion.com/share.md · MCP https://x402.devvizion.com/mcp · catalog /.well-known/x402
```

## Directory listing blurb (x402scout / agent dirs)

```text
Name: Agent Utilities (devvizion x402-research)
Origin: https://x402.devvizion.com
Network: Base eip155:8453 · USDC · x402 exact
payTo: 0xE79e7fa7Ce7259C46F9B127b837d2907Bb036F95
Free: GET /v0/sample-outline?topic=x402 · GET /skill.md · GET /mcp · GET /share.md
First pay: POST /v0/outline {"topic":"…"} → 0.01 USDC
Upgrade: POST /v0/brief → 0.02 USDC
Discovery: /.well-known/x402 · /buyer.md · registry com.devvizion/x402-research
```

## Virtuals ACP hire path (escrow channel · same product)

When marketplace browse lags, hire **direct** via offering id (public API always lists).
**Machine recipe (agents):** `https://x402.devvizion.com/hire-path.json` — provider wallet + create-job CLI + requirements schema.

| Field | Value |
|-------|--------|
| Agent | `money-engine-x402-research` |
| Agent id | `019f8f2a-81d5-781c-af74-7aeee1909614` |
| Offering | `x402-research-brief` |
| Offering id | `019f8f2e-abd1-7ad6-a051-0ce709fdebcd` |
| Price | **0.05** USDC escrow · Base 8453 |
| Provider wallet | `0xda5d196a8f75f6d9c06efb847808e4361f532db9` |
| SPA | https://app.virtuals.io/acp/agents/019f8f2a-81d5-781c-af74-7aeee1909614 |
| Public API | https://api.acp.virtuals.io/agents/019f8f2a-81d5-781c-af74-7aeee1909614 |
| Hire path JSON | https://x402.devvizion.com/hire-path.json |
| Upstream | https://x402.devvizion.com (outline/brief product) |

```text
Hire Virtuals ACP: create-job on offering 019f8f2e-abd1-7ad6-a051-0ce709fdebcd (agent money-engine-x402-research) · 0.05 USDC Base · product https://x402.devvizion.com
```

```bash
# machine hire (browse may lag)
curl -s "https://x402.devvizion.com/hire-path.json"
node node_modules/@virtuals-protocol/acp-cli/dist/bin/acp.js client create-job --provider 0xda5d196a8f75f6d9c06efb847808e4361f532db9 --offering-name x402-research-brief --requirements "{\"topic\":\"x402 agent research\",\"depth\":\"outline\"}" --chain-id 8453
```

## PayAPI Market (LIVE listing · free demand CTA)

UK agent marketplace card — **already live** (do not re-list). Agents discover origin via marketplace browse → free ladder → paid outline/brief.

| Field | Value |
|-------|--------|
| Card | https://payapi.market/api/research-brief-api-x402 |
| Browse | https://payapi.market/marketplace |
| Fee | free tier · keep **97%** |
| Origin | https://x402.devvizion.com |
| MCP (preferred) | https://x402.devvizion.com/mcp |
| MCP (PayAPI SPA fallback) | https://x402.devvizion.com/mcp/sse |
| Free start | https://x402.devvizion.com/start · https://x402.devvizion.com/v0/sample-outline?topic=x402 |
| First pay | POST https://x402.devvizion.com/v0/outline → **0.01** USDC |
| Upgrade | POST https://x402.devvizion.com/v0/brief → **0.02** USDC |

```text
Research Brief API on PayAPI Market · free sample-outline → outline 0.01 / brief 0.02 USDC Base x402 · https://payapi.market/api/research-brief-api-x402 · start https://x402.devvizion.com/start · MCP https://x402.devvizion.com/mcp
```

## Agent discovery curl

```bash
curl -s "https://x402.devvizion.com/pitch.json"
curl -s "https://x402.devvizion.com/.well-known/x402" | head -c 2000
curl -s "https://x402.devvizion.com/share.md"
curl -s "https://x402.devvizion.com/buyer.md"
curl -s "https://x402.devvizion.com/hire-path.json"
curl -s "https://x402.devvizion.com/v0/sample-outline?topic=x402"
curl -s -i -X POST "https://x402.devvizion.com/v0/outline" -H "content-type: application/json" -d '{"topic":"x402"}'
# unpaid → HTTP 402 + PAYMENT-REQUIRED
curl -s "https://api.cdp.coinbase.com/platform/v2/x402/discovery/merchant?payTo=0xE79e7fa7Ce7259C46F9B127b837d2907Bb036F95"
curl -s "https://api.acp.virtuals.io/agents/019f8f2a-81d5-781c-af74-7aeee1909614"
```

## Human lander

- https://x402.devvizion.com/start
- https://x402.devvizion.com/install.md
- https://x402.devvizion.com/buyer.md
- https://x402.devvizion.com/v0/packs?format=html

## Registry / MCP

```json
{ "mcpServers": { "money-engine-x402": { "url": "https://x402.devvizion.com/mcp" } } }
```

Registry: `com.devvizion/x402-research`

## Copy destinations (operators)

| Channel | What to paste |
|---------|----------------|
| CDP Bazaar merchant | one-liner + well-known URL |
| Agent directories / x402scout | directory listing blurb |
| PayAPI Market | LIVE card URL + free→paid one-liner (no re-list) |
| X / Discord / Telegram | ≤280 social paste |
| Virtuals ACP buyers | offering id + SPA link |
| MCP clients | install JSON block |