X
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X Developer Platform
Build, analyze, and innovate with X's real-time, global data and APIs. Comprehensive documentation for the X API v2, Ads API, Enterprise APIs (Account Activity, X Activity, GNIP/PowerTrack), official SDKs, tutorials, and AI-agent tools (llms.txt, skill.md, MCP).
Start Here
- Overview: Introduction to the X Developer Platform
- Getting Access & First Request: Quickstart for new developers
- What to Build: Use-case ideas and inspiration
- Developer Guidelines & Policies: Rules for building responsibly
- AI & Agent Resources: llms.txt, skill.md, MCP, and Grok/Cursor integration
Major Documentation Areas (Nested Indexes)
- X API v2 — Full Index: 370+ reference pages (Posts, Users, DMs, Lists, Spaces, Streams, Compliance, Webhooks, Media, etc.)
- Enterprise APIs — Full Index: Account Activity, X Activity (XAA), Compliance, Chat, Communities, Direct Messages, News, Trends, Webhooks, and historical GNIP/PowerTrack
- Ads API — Full Index: Campaign management, creatives, audiences, analytics, measurement, and conversions
- SDKs (XDKs) — Full Index: Python + TypeScript/JavaScript SDK clients, models, and references
- Python XDK Detail · TypeScript XDK Detail
Key Fundamentals & Tools
- X API Fundamentals: Fields, expansions, pagination, versioning, consistency, rate limits
- Authentication Guides: OAuth 1.0a, OAuth 2.0, Bearer tokens, app-only, user context
- Tools & Libraries: Official SDKs, Postman, twurl, xurl
- Changelog: Platform updates and new endpoints
- Tutorials: In-depth code examples and integration guides
For AI Agents & LLMs
- AGENTS.md / AGENT.md: Explicit instructions for AI agents on how to best use this documentation
- llms-full.txt: Entire documentation set as a single Markdown file (maximum context)
- Raw Markdown for any page: Append
.mdto any docs.x.com URL - skill.md: Structured capability summary (agentskills.io)
- MCP Server: Model Context Protocol server for X API tools + docs search
- OpenAPI Specification: Machine-readable contract
All pages are also available under /.well-known/llms.txt. Every documentation page supports the .md suffix for clean Markdown retrieval by agents.
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