- **`POST /compose` drafts tweets
`POST /x/tweets` sends them.** Don't confuse composition (AI-assisted writing) with posting (actually publishing to X).
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121,744 skills indexed with the new KISS metadata standard.
`POST /x/tweets` sends them.** Don't confuse composition (AI-assisted writing) with posting (actually publishing to X).
not numbers.** Tweet IDs
not a bug.** `no_subscription`
read [references/mcp-setup.md](references/mcp-setup.md). If calling MCP tools
not username.** Look up the user first via `GET /x/users/${username}`
environment variables
same TLS certificate
JavaScript
read [references/webhooks.md](references/webhooks.md) for signature verification code (Node.js
`tweet.quote`
12 categories) | Varies |
read [references/extractions.md](references/extractions.md) for tool types
follow check
then create (`POST /extractions`)
`x_api_unavailable` | Retry with backoff |
respect `Retry-After` |
`conflict` | Already exists |
`user_not_found`
`insufficient_credits`
`invalid_id`
`account_needs_reauth` | Delete resource or re-authenticate |
up to 1K) → tweet_search_extractor
Content-Type: application/json };
exponential backoff). Never retry other `4xx`.