CryptoAPIs x402 Pay MCP
Enables AI agents to discover and pay for x402-gated HTTP APIs, handling 402 Payment Required flows with local signing. Supports EVM and Solana with non-custodial wallet management.
Developer Tools
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Install
npx -y @cryptoapis-io/mcp-x402-pay
Paste the configuration above into your MCP client config (claude_desktop_config.json for Claude Desktop) and restart the client.
{
"mcpServers": {
"cryptoapis-mcp-x402-pay": {
"command": "npx",
"args": [
"-y",
"@cryptoapis-io/mcp-x402-pay"
],
"env": {
"X402_WALLET_ID": "<X402_WALLET_ID>",
"X402_ALLOWED_HOSTS": "<X402_ALLOWED_HOSTS>"
}
}
}
}Paste the configuration above into your MCP client config (claude_desktop_config.json for Claude Desktop) and restart the client.
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