Cryptoapis X402 Pay MCP Server: Install & Setup

Install Cryptoapis X402 Pay in Claude Code

Claude Code

claude mcp add cryptoapis-x402-pay -- npx -y @cryptoapis-io/mcp-x402-pay

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "cryptoapis-x402-pay": {
      "command": "npx",
      "args": [
        "-y",
        "@cryptoapis-io/mcp-x402-pay"
      ]
    }
  }
}

Frequently asked questions

What does the Cryptoapis X402 Pay MCP server do?

MCP server that pays x402-gated HTTP endpoints — fetch, and on a 402 authorize, sign, retry

Is the Cryptoapis X402 Pay MCP server free?

Probably not entirely. The listing mentions pay-per-call, credits or a subscription. Check the provider for current pricing.

Does Cryptoapis X402 Pay run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Cryptoapis X402 Pay to Claude Code?

Run: claude mcp add cryptoapis-x402-pay -- npx -y @cryptoapis-io/mcp-x402-pay

More finance, fintech & payments MCP servers

View all

Cryptocapi

Jegoba90/cryptocapi-mcp

Análisis de mercado cripto con sello verificable: cada motor firma su análisis con SHA-256.

LocalFree

Cryptoapis X402 Accept

CryptoAPIs-io/cryptoapis-mcp-x402-accept

Self-hosted MCP proxy that puts an x402 paywall in front of an existing MCP server

LocalPaid service

CryptoData API

elevasyncsolutions-jpg/cryptodata-api

Crypto data & trading MCP with 43 tools: prices, DeFi, NFTs, Solana swaps. 11 tools free.

Local + RemoteFree

Cryptoapis Utils

CryptoAPIs-io/cryptoapis-mcp-utils

MCP server for address derivation and encoding utilities across multiple blockchains via Crypto APIs

LocalAccount needed

Cryptoetf

zerosix-studio/cryptoetf-mcp

Live spot crypto ETF flows for 16 assets and their funds, CEFI index and prices.

Local + RemoteFree

Cryptoapis Transactions Data

CryptoAPIs-io/cryptoapis-mcp-transactions-data

MCP server for transaction lookup across EVM, UTXO, Solana, XRP, Kaspa via Crypto APIs

LocalAccount needed