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What are the exact current character limits and rate restrictions for the Twitter X API v2 when scheduling posts through a third-party tool?

ChatGPTgpt-63 queries11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
What are the exact current character limits and rate restrictions for the Twitter X API v2 when scheduling posts through a third-party tool?
3 real searches · 1 real-search pass
site:docs.x.com x API v2 create post character limit rate limits POST /2/tweets 2026Google ↗
OBSERVEDOther / navigational
site:developer.x.com API v2 rate limits manage posts create tweet 15 minute 24 hour limitsGoogle ↗
OBSERVEDOther / navigational
X API v2 scheduled posts third party scheduling character limit 280 25000 official documentationGoogle ↗
OBSERVEDOther / navigational

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

ChatGPT real searches (3)
Short factOther / navigational100%ComparisonConsequenceReasonDefinitionInstructionYes / no

Classes come from the query-classifier (a local Laya model). 2 of 3 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

ChatGPT3 real searches · gpt-6
site:docs.x.com x API v2 create post character limit rate limits POST /2/tweets 2026 Google ↗
site:developer.x.com API v2 rate limits manage posts create tweet 15 minute 24 hour limits Google ↗
X API v2 scheduled posts third party scheduling character limit 280 25000 official documentation Google ↗

Queries

3 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
site:docs.x.com x API v2 create post character limit rate limits POST /2/tweets 2026
OBSERVED
Google ↗
AI Mode ↗
—Other / navigational——1x
of 1
site:developer.x.com API v2 rate limits manage posts create tweet 15 minute 24 hour limits
OBSERVED
Google ↗
AI Mode ↗
—Other / navigational——1x
of 1
X API v2 scheduled posts third party scheduling character limit 280 25000 official documentation
OBSERVED
Google ↗
AI Mode ↗
—Other / navigational——1x
of 1