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.