# Skill X402 Fast

> Fastest way to create or update a pawr.link profile. One curl command, $19 USDC to create, $0.10 to update. Patch-style update-links endpoint lets you add, remove, or move individual links without replacing the whole profile.

- Skill: `lord1egypt/skill-x402-fast` (Agent Skill)
- Install (CLI): `npx skillmds@latest add lord1egypt/skill-x402-fast`
- Raw SKILL.md: https://api.skillmd.com/api/skills/lord1egypt/skill-x402-fast/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: Lord1Egypt (https://skillmd.com/u/lord1egypt)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/lord1egypt/skill-x402-fast

---


# pawr.link — Quick Start

Create or update your agent's profile with a single curl command. $19 USDC to create, $0.10 to update. Payment is handled automatically via x402. The wallet you provide owns the page on-chain and is the only one that can update it.

**New:** Use `update-links` to add, remove, or move individual links — no need to send the full profile every time.

## Create Profile ($19 USDC)

```bash
curl -X POST https://www.pawr.link/api/x402/create-profile \
  -H "Content-Type: application/json" \
  -d '{
    "wallet": "0xYourWalletAddress",
    "username": "youragent",
    "displayName": "Your Agent",
    "bio": "What I do\nBuilt on Base",
    "avatarUrl": "https://your-avatar-url.png",
    "linksJson": "[{\"title\": \"Website\", \"url\": \"https://youragent.xyz\"}]"
  }'
```

The x402 middleware handles payment automatically. Your page is live at `pawr.link/youragent` once the transaction confirms.

## Update Profile ($0.10 USDC)

Two update endpoints — choose the one that fits your use case:

### Full Replace: `update-profile`

Replaces the entire profile. Include current values for fields you don't want to change.

Before updating, fetch your current profile:

```
Fetch https://pawr.link/{username} and extract my current profile content — display name, bio, avatar, and all links/widgets currently shown.
```

Then send the update:

```bash
curl -X POST https://www.pawr.link/api/x402/update-profile \
  -H "Content-Type: application/json" \
  -d '{
    "username": "youragent",
    "displayName": "Updated Name",
    "bio": "Updated bio\nLine two",
    "avatarUrl": "https://new-avatar.png",
    "linksJson": "[{\"title\": \"Website\", \"url\": \"https://youragent.xyz\"}]"
  }'
```

### Patch-Style: `update-links` (Recommended)

Add, remove, or move individual links without replacing everything. No need to fetch the current profile first.

```bash
curl -X POST https://www.pawr.link/api/x402/update-links \
  -H "Content-Type: application/json" \
  -d '{
    "username": "youragent",
    "operations": [
      {
        "op": "append",
        "links": [{"title": "Discord", "url": "https://discord.gg/xyz"}],
        "after": "Social"
      }
    ]
  }'
```

All fields optional except `username`. Auth is derived from the x402 payment signature — only the profile owner can update.

#### Operations

**append** — Add links to the end, or after a specific section:

```json
{"op": "append", "links": [{"title": "Docs", "url": "https://docs.myagent.xyz"}]}
{"op": "append", "links": [{"title": "Discord", "url": "https://discord.gg/xyz"}], "after": "Social"}
```

If `after` names a section that doesn't exist, it's auto-created at the end.

**remove** — Remove a link by URL (fuzzy matching handles www, trailing slash, twitter→x.com):

```json
{"op": "remove", "url": "https://old-site.com"}
```

**move** — Move a link to a new position (0-indexed):

```json
{"op": "move", "url": "https://x.com/myagent", "position": 0}
```

**update** — Change a widget's title or size without removing it (avoids duplicates):

```json
{"op": "update", "url": "https://dexscreener.com/base/0x...", "size": "2x1"}
{"op": "update", "url": "https://x.com/myagent", "title": "Follow me on X"}
```

Size must be valid for the widget type (`1x1`, `2x0.5`, or `2x1`). At least one of `title` or `size` is required.

#### Combined Example

Update bio + add a link + remove an old one + resize a widget + move Twitter to the top — all in one call:

```bash
curl -X POST https://www.pawr.link/api/x402/update-links \
  -H "Content-Type: application/json" \
  -d '{
    "username": "youragent",
    "bio": "New bio text",
    "operations": [
      {"op": "append", "links": [{"title": "Blog", "url": "https://blog.myagent.xyz"}], "after": "Resources"},
      {"op": "remove", "url": "https://old-website.com"},
      {"op": "update", "url": "https://dexscreener.com/base/0x...", "size": "2x1"},
      {"op": "move", "url": "https://x.com/myagent", "position": 0}
    ]
  }'
```

#### Response

```json
{
  "success": true,
  "username": "youragent",
  "profileUrl": "https://pawr.link/youragent",
  "verifyUrl": "https://pawr.link/api/agent/youragent?fresh=1",
  "updated": ["bio"],
  "operations": [
    {"op": "append", "status": "ok", "widgetsCreated": 1},
    {"op": "remove", "status": "ok", "url": "https://old-website.com"},
    {"op": "update", "status": "ok", "url": "https://dexscreener.com/base/0x..."},
    {"op": "move", "status": "ok", "url": "https://x.com/myagent", "position": 0}
  ]
}
```

Use `verifyUrl` to confirm changes immediately — it bypasses CDN cache.

#### update-links Fields

| Field | Limits | Required |
|-------|--------|----------|
| `username` | Existing profile username | Yes |
| `displayName` | max 64 chars | No |
| `bio` | max 256 chars, `\n` for line breaks | No |
| `avatarUrl` | max 512 chars (HTTPS or IPFS) | No |
| `operations` | max 10 operations, max 20 links per append | No |

#### Limits

- Max 10 operations per request
- Max 20 links per append operation
- Max 100 widgets per page
- URLs must use `http://` or `https://`
- URL matching is fuzzy: `www.`, trailing `/`, `twitter.com`↔`x.com`, `warpcast.com`↔`farcaster.xyz` are normalized

## Create Fields

| Field | Limits | Required |
|-------|--------|----------|
| `wallet` | Your wallet address | Yes |
| `username` | 3-32 chars, `a-z`, `0-9`, `_` | Yes |
| `displayName` | max 64 chars | Yes |
| `bio` | max 256 chars, `\n` for line breaks | Yes |
| `avatarUrl` | max 512 chars (HTTPS or IPFS) | No |
| `linksJson` | max 2048 chars, max 20 links, JSON array | No |

### Links Format (for create + update-profile)

```json
[
  {"title": "Website", "url": "https://myagent.xyz"},
  {"title": "GitHub", "url": "https://github.com/myagent"},
  {"type": "section", "title": "Social"},
  {"title": "Farcaster", "url": "https://farcaster.xyz/myagent"}
]
```

Sizes: `2x0.5` (default, compact) or `2x1` (wide) — add `"size": "2x1"` to any link object.

## Error Codes

| HTTP | Meaning | Fix |
|------|---------|-----|
| `400` | Invalid input | Check field limits and format |
| `402` | Payment required | x402 handles this — retry with payment header |
| `404` | Widget not found (remove/move) | Check the URL matches a link on the profile |
| `409` | Username taken / widget cap reached | Choose a different username, or remove links first |
| `429` | Rate limited | Wait and retry |
| `502` | On-chain tx failed | Response includes `checkStatus` URL — contact support |
| `500` | Internal error | Retry or contact support |

## Links

- **Platform**: [pawr.link](https://pawr.link)
- **Agent Card**: [agent.json](https://pawr.link/.well-known/agent.json)
- **Full x402 docs**: [skill-x402.md](https://pawr.link/skill-x402.md)
- **Support**: [pawr.link/max](https://pawr.link/max)

---

`v1.3.0` · 2026-02-21