How to Upload Videos on Twitter (Web, Mobile & API)
Learn how to upload videos on Twitter (X) from your browser, mobile app, or even programmatically via API. Fix common errors and discover best practices.
Stop wrestling with the X API pricing and complexity. Use Mallary's unified API, MCP Server, or AI Agent to schedule text, image and video posts in minutes.
Our unified social media API abstracts the chaos of Facebook, TikTok, Instagram and more into a single, reliable endpoint. Integrate 10 platforms in minutes and reduce development time by 90% with one clean, simple API.
fetch('https://mallary.ai/api/v1/post', {
method: 'POST',
headers: {
'Authorization': 'Bearer YOUR_API_KEY',
'Content-Type': 'application/json'
},
body: JSON.stringify({
platforms: ["x"],
message: "Check out our new product!",
media: [{ url: "https://files.mallary.ai/launch-video.mp4" }],
comments_under_post: ["comment 1", "comment 2", "comment 3"],
auto_reply_enabled: true,
})
})
fetch('https://mallary.ai/api/v1/comments/reply', {
method: 'POST',
headers: {
'Authorization': 'Bearer YOUR_API_KEY',
'Content-Type': 'application/json'
},
body: JSON.stringify({
post_id: 123,
comment_id: 456,
message: "Yes we sell hoodies, heres the link ...",
})
})
With our social media comments API you can retrieve and reply to comments from Facebook, Instagram, Threads, LinkedIn, X, and YouTube. One simple API to aggregate and respond to all your comments.
Directly integrating with the X API is difficult. Mallary makes it simple by handling rate limits, authentication, and deployment so engineering teams ship faster.
Mallary can detect new questions and comments on your published posts, and then use AI to post helpful replies and calls to action.
Simply add your business description, product features, pricing and FAQs in the Mallary dashboard, and let our AI handle the community engagement while you sleep.
sarah_designs Does this integrate with Slack? Need to know for my team!
Acme Co Hey Sarah! 👋 Yes, we have a native Slack integration available on all Pro plans. Let us know if you need help setting it up!
Mallary isn't just for humans. We provide native tools, skills, and protocols for autonomous agents and workflow automation platforms to manage your X presence.
Our API is designed with LLMs in mind. Predictable schemas, clear error messages, and unified payloads make it incredibly easy for agents to reason about and execute actions.
Native Model Context Protocol (MCP) support. Expose Mallary's posting, scheduling, and analytics capabilities directly to your custom AI agents as callable tools and skills.
Plug-and-play integrations for popular automation platforms. Build complex, multi-step social media workflows in n8n or Make.com without writing a single line of code.
Mallary is fully audited and approved by Meta, Google, LinkedIn, TikTok and more. We use 100% official APIs, no sketchy workarounds, no headless browsers, and no risk of your accounts getting banned.
Learn how to upload videos on Twitter (X) from your browser, mobile app, or even programmatically via API. Fix common errors and discover best practices.
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Within 30 seconds you can connect accounts, schedule posts and go live on 10 platforms.
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