{"repo":"NousResearch/hermes-agent","public_id":"7893","display_label":"Gemini auth header conflict causing HTTP 400 errors","summary":"A bug where requests to the native Gemini provider sent both Authorization: Bearer and x-goog-api-key headers simultaneously, triggering HTTP 400 'Multiple authentication credentials' errors. Multiple fix attempts address routing auth through the correct x-goog-api-key header only.","subsystem":null,"counts":{"members":5,"open_issues":0,"open_issues_distinct":0,"open_prs":0,"closed_issues":1,"merged_prs":1,"attempt_prs":3},"landed_fix":{"status":"merged_to_main","basis":"structural","pr":11961},"resolution":{"state":"resolved","by":"pr-11961"},"freshness":{"state":"stale","last_verified_at":"2026-04-18T04:30:17+00:00","is_stale":true},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.4},"fix_edges":[{"issue_number":7893,"pr_number":11961,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true},{"issue_number":23354,"pr_number":11961,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false}],"members":[{"kind":"issue","number":7893,"title":"[Bug]:  HTTP 400 \"Multiple authentication credentials received\" when using native gemini provider","url":null,"state":"closed"},{"kind":"pr","number":8172,"title":"fix(gemini): use x-goog-api-key header to prevent dual-auth 400 error","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#11961","number":11961},{"kind":"pr","value":"#8530","number":8530}],"category":"superseded_by_pr","implication":"superseded"},"merged":false},{"kind":"pr","number":8530,"title":"fix: suppress Authorization: Bearer for Gemini provider to prevent HT…","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#11961","number":11961},{"kind":"pr","value":"#11472","number":11472}],"category":"merged_via","implication":"superseded"},"merged":false},{"kind":"pr","number":9247,"title":"fix(gemini): use x-goog-api-key header instead of Bearer token","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#11961","number":11961},{"kind":"pr","value":"#8530","number":8530}],"category":"superseded_by_pr","implication":"superseded"},"merged":false},{"kind":"pr","number":11961,"title":"fix(gemini): route Google AI Studio auth via x-goog-api-key header (#7893)","url":null,"state":"merged","close_reason":{"category":"merged","implication":"superseded"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["agent/auxiliary_client.py","run_agent.py","scripts/release.py","tests/hermes_cli/test_gemini_provider.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}