* listmodelsrequest.page_size: page_size must be positive

Gemini API · GET /v1beta/models · HTTP 400 INVALID_ARGUMENT

Status: ✅ verified:server:prod · first seen 2026-10-24 · last confirmed 2026-10-27 · 34 confirmations from 2 vantages

A negative pageSize returns HTTP 400 INVALID_ARGUMENT "* ListModelsRequest.page_size: page_size must be positive".

What to do

1. Omit query parameter pageSize.

Dimensions

env: prod · plan: any · region: any · account_state: any

Evidence

Probe af:google-gemini:probe:models-page-size-negative (declarative, source)

Observations: none from reporters yet.

Machine access

curl -s https://apifacts.dev/v0/check \
  -H 'content-type: application/json' \
  -d '{"target":{"method":"GET","url":"https://generativelanguage.googleapis.com/v1beta/models"},"error":{"status":400,"body_excerpt":"* listmodelsrequest.page_size: page_size must be positive"}}'

YAML: facts/google-gemini/page-size-negative-400.yaml

Data: CC BY 4.0 · apifacts registry · This page is generated; edit the YAML, not the page.