Scheduling for X
What X asks of a connected account, the limits its official API enforces, and which of them this product has built against so far.
Nothing publishes to X yet
What X requires
- Account type
- A personal or business X account you control.
- Platform restriction
- Automated posting requires the account holder express consent, which Post Array records. Duplicate or substantially similar posts across accounts are not permitted, and unsolicited automated replies are not built.
- API cost
- X charges for each API operation and charges more for a post containing a URL. Post Array estimates the cost before you confirm and passes it through without a markup.
Official API documentation Researched August 4, 2026
Platform policy Researched August 4, 2026
Limits X enforces
Read for a freshly connected account with no elevated eligibility. A platform can raise or lower any of these without telling anyone, which is why each set carries the date it was read.
- Body text
- 280 characters
- Title field
- Unavailable
- How characters are counted
- By a weighted scheme where most non-Latin characters cost two instead of one.
- How links are counted
- Every link is rewritten to the platform shortener and costs 23 characters regardless of its real length.
- Formatting marks
- Published as plain characters
- Images per post
- 4 files
- Videos per post
- 1 file
- Video length
- Between 1 second and 2 minutes, 20 seconds
- Largest image
- 5.2 MB
- Largest animated image
- 15.7 MB
- Largest video
- 536.9 MB
- Largest document
- Unavailable
- Alternative text
- 1,000 characters
- Accepted file types
- image/jpeg, image/png, image/webp, image/gif, and video/mp4
Official platform documentation Researched August 4, 2026
What is built for X
Generated from the connector registry, not written here. "Not offered by the platform" is a fact about the platform and is final. "Not built yet" is a fact about this product and is the honest default while no connector has passed its definition of done.
- Text posts
- Not built yetRequires recorded consent from the account holder for automated posting.Official source Researched August 4, 2026
- Images
- Not built yet
- Carousels
- Not built yet
- Video
- Not built yet
- Documents
- Not offered by the platformThis platform has no document post type.
- Threads
- Not built yet
- Alt text
- Not built yet
- Destination selection
- Not offered by the platformThis platform has no destination concept such as a Page, board or community.
- Privacy controls
- Not built yet
- Custom thumbnail
- Not offered by the platformThis platform does not accept a custom thumbnail through its API.
- Analytics
- Not built yet
- Delete a published post
- Not built yet
- Automation disclosure
- Not built yetThe platform provides a made with AI field, which Post Array sets from your declaration.Official source Researched August 4, 2026
Where to go next
The capability matrix carries every platform and every capability in one table. The use case pages describe the workflows this product is being built around.
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