# x402 Payments

> Use this tool when you need to facilitate USDC micropayments on Base and Solana networks, enabling secure payment authorization, verification, and settlement for x402-gated content and APIs. It solves problems related to cryptocurrency transactions, providing a reliable interface for handling payment requests and responses. Ideal for use cases requiring decentralized, low-fee payment processing, such as fintech applications and crypto-based services.

Canonical page: https://skillsregistry.net/skills/codespar-x402  
JSON: https://api.skillsregistry.net/v1/skills/codespar-x402

## Description

x402 Payments implements Coinbase's x402 HTTP payment protocol for USDC micropayments on Base and Solana networks. The server handles payment authorization, verification, and settlement for x402-gated content and APIs. Part of the mcp-dev-brasil collection of Brazilian crypto and fintech MCP servers.

## Trust

- **Trust score (0–1):** 0.65
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** finance
- **Updated:** 2026-05-27

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/codespar-x402)
- **Repository:** <https://github.com/codespar/mcp-dev-latam/tree/HEAD/packages/crypto/x402>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "codespar-x402"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/codespar-x402` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/codespar-x402/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt