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MCP

PDF123 embeds an MCP server at POST https://pdf123.xyz/mcp. Authenticate with the same X-API-KEY used for REST. Tools cover upload, pages, security, convert, misc, and download helpers — the same operations as the OpenAPI catalog.

Configure a client

{
  "mcpServers": {
    "pdf123": {
      "url": "https://pdf123.xyz/mcp",
      "headers": { "X-API-KEY": "<your-key>" }
    }
  }
}

Prefer REST? See /developers and OpenAPI.