English Français العربية

Payaion

Official registry E-commerce

Agent file transfer. No API key to start; price downloads in USDC on Base.

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http payaion 'https://mcp.payaion.com/mcp' --header 'Authorization: <Bearer <your Payaion API key>>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "payaion": {
            "type": "http",
            "url": "https://mcp.payaion.com/mcp",
            "headers": {
                "Authorization": "<Bearer <your Payaion API key>>"
            }
        }
    }
}
NPM package @payaion/mcp
Claude Code 
claude mcp add payaion -e 'PAYAION_API_KEY=<your payaion_api_key>' -- npx -y @payaion/mcp@1.2.2
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "payaion": {
            "command": "npx",
            "args": [
                "-y",
                "@payaion/mcp@1.2.2"
            ],
            "env": {
                "PAYAION_API_KEY": "<your payaion_api_key>"
            }
        }
    }
}

Environment variables

  • PAYAION_API_KEY secret Optional. Without it you upload as a guest: 100 MB per file, 24-hour link, no account, and you can still sell a priced link by passing payoutAddress. A key raises the limits and is required to list on the marketplace or buy. Get one at https://payaion.com/dashboard
PYPI package payaion-mcp
Claude Code 
claude mcp add payaion -e 'PAYAION_API_KEY=<your payaion_api_key>' -- uvx payaion-mcp==1.2.2
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "payaion": {
            "command": "uvx",
            "args": [
                "payaion-mcp==1.2.2"
            ],
            "env": {
                "PAYAION_API_KEY": "<your payaion_api_key>"
            }
        }
    }
}

Environment variables

  • PAYAION_API_KEY secret Optional. Without it you upload as a guest: 100 MB per file, 24-hour link, no account, and you can still sell a priced link by passing payoutAddress. A key raises the limits and is required to list on the marketplace or buy. Get one at https://payaion.com/dashboard

Frequently asked questions

What is Payaion?

Agent file transfer. No API key to start; price downloads in USDC on Base.

How do I install Payaion?

It runs as a remote server. In Claude Code: claude mcp add --transport http payaion 'https://mcp.payaion.com/mcp' --header 'Authorization: <Bearer <your Payaion API key>>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Payaion need an API key?

Yes. It expects PAYAION_API_KEY, Authorization, which you set in its configuration.

Who maintains Payaion?

It is published by defdone. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.