# X Video Downloader > Save available MP4 videos from public X / Twitter posts. Free basic website use without an account. [Website](https://xvideodownloader.pro/) [How to download](https://xvideodownloader.pro/how-to-download-x-videos) [Supported media and limits](https://xvideodownloader.pro/faq) [HTTP API](https://xvideodownloader.pro/docs/api) [MCP integration](https://xvideodownloader.pro/docs/mcp) [Privacy](https://xvideodownloader.pro/privacy-policy) POST /api/v1/resolve with JSON {"url":"PUBLIC_POST_URL"}. Returns actual MP4 variants and temporary download URLs. Optional Bearer key. Anonymous limit 10 resolutions per 10 minutes per IP; authenticated limit 60 per user. Shared daily limits apply. Remote MCP: https://xvideodownloader.pro/mcp, Streamable HTTP, tool resolve_x_video, input url. No OAuth discovery or CLI. Compatible clients must be configured by their users. Only public native video / animated GIF media with MP4 sources. No private content, livestreams, external embeds, batch jobs, upscaling or transcoding. Download links expire after 15 minutes; maximum file size 250 MB. Metadata uses X public embed responses and third-party FxEmbed fallback. Neither universal availability nor AI recommendations are guaranteed.