X api pricing
X API bookmarks: the two caps that are not in the docs
The bookmarks endpoints in 2026: a staff-acknowledged 199-result window on the flat list, a hard 20 on folders, and the batch write that costs a fifth of a cent.
·→Article·9 min readX API Communities: the permission you cannot check
The X API Communities endpoints in 2026: two paths that were never announced, a documented field that does not exist, and a 403 X tells you to debug blind.
·→Article·11 min readX API Community Notes: the mode you cannot turn off
The X API Community Notes endpoints in 2026: five paths, test_mode forced on until an automated evaluator admits you, and the one path X's own changelog got wrong.
·→Article·8 min readX API expansions: what starts costing on 22 November
X will bill expansion objects from 22 November 2026. Three of the five resource types have never appeared on the public rate card. Here is the new arithmetic.
·→Article·9 min readX API Spaces: the field every example gets wrong
The X API Spaces endpoints in 2026: all six are read-only, the host_ids in X's own quickstart is not a valid space.field at 2.174, and ended Spaces vanish.
·→Article·9 min readX API trends: two endpoints that disagree on one number
The X API trends endpoints in 2026: volume is opt-in, the two paths name and type the same count differently, and one is capped at 200 app calls a day.
·→Article·11 min readX API compliance: the deletion job you owe X
Batch compliance jobs, the 24-hour deletion rule and the Enterprise-only event streams: what X API compliance requires in 2026, and what obeying it costs.
·→Article·9 min readX API Lists: the add limit that is not in the docs
The Lists endpoints in 2026: what a List read costs, why owned_lists is the cheapest and most throttled call, and the member-add ceiling X staff admit but never publish.
·→Article·11 min readX API stream: what pay-per-use actually delivers
Filtered Stream, Powerstream, volume streams and webhooks in 2026: what pay-per-use gets, what Enterprise gates, and why a stream is the one endpoint you cannot budget.
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