# NousResearch/hermes-agent · Vertex AI multi-region API host routing fix

## Open now

- 1 issue, 1 PR open on GitHub.
- #72063: Vertex us/eu multi-region locations build invalid API hosts
- PR #72065: fix(vertex): route us/eu to multi-region hosts

These issues and PRs address a bug where us/eu multi-region location identifiers generate invalid API host URLs for Vertex AI. The work involves fixing routing logic to correctly target multi-region endpoints.

## TL;DR

- 3 member(s): 1 open issue(s), 0 closed issue(s), 1 open PR(s), 0 merged PR(s), 1 PR(s) closed without merging.
- No fix has been merged to main; one or more PRs were attempted (see below).
- **Recommended:** review the prior/competing PR(s) below. A fix was attempted but not merged; your case may extend or revive that work.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `unresolved`. This is distinct from the fix status above. Weigh it yourself.

## How this cluster was grouped

- Link evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
- Pairwise link density `0.67`: the share of member pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. `1.00` means every pair is linked.

## Open related issues

- #72063: Vertex us/eu multi-region locations build invalid API hosts

## Prior & competing PRs

- **#72065: fix(vertex): route us/eu to multi-region hosts**. open
  - maintainer direction: category `partial_fix`; implication `needs_llm`; refs `6b81590c55bcc9c1001a33b51b528784f96c6a07`, `dcb14d3ae990`, `#72063`, `#72065`, `#72848`, `#374151`
  - files: `agent/vertex_adapter.py`, `hermes_cli/model_setup_flows.py`, `tests/agent/test_vertex_adapter.py`, `website/docs/guides/google-vertex.md`
- **#72848: fix(vertex_adapter): support us/eu multi-region REP endpoints**. closed without merge
  - maintainer direction: category `superseded_by_pr`; implication `superseded`; refs `#72065`

## Fix status

- No merged fix on record.
- Subsystem: `agent`