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fix: suppress Authorization: Bearer for Gemini provider to prevent HTTP 400 (#7893)

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This commit is contained in:
AviArora02-commits
2026-04-12 23:23:03 +05:30
committed by Teknium
parent 8a59f8a9ed
commit 994faacce8
3 changed files with 100 additions and 0 deletions
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27
agent/auxiliary_client.py
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@@ -745,6 +745,15 @@ def _resolve_api_key_provider() -> Tuple[Optional[OpenAI], Optional[str]]:
from hermes_cli.models import copilot_default_headers
extra["default_headers"] = copilot_default_headers()
elif "generativelanguage.googleapis.com" in base_url.lower():
# Google's OpenAI-compatible endpoint only accepts x-goog-api-key.
# Passing api_key= causes the SDK to inject Authorization: Bearer,
# which Google rejects with HTTP 400 "Multiple authentication
# credentials received". Use a placeholder for api_key and pass
# the real key via x-goog-api-key header instead.
# Fixes: https://github.com/NousResearch/hermes-agent/issues/7893
extra["default_headers"] = {"x-goog-api-key": api_key}
api_key = "not-used"
return OpenAI(api_key=api_key, base_url=base_url, **extra), model
creds = resolve_api_key_provider_credentials(provider_id)
@@ -766,6 +775,15 @@ def _resolve_api_key_provider() -> Tuple[Optional[OpenAI], Optional[str]]:
from hermes_cli.models import copilot_default_headers
extra["default_headers"] = copilot_default_headers()
elif "generativelanguage.googleapis.com" in base_url.lower():
# Google's OpenAI-compatible endpoint only accepts x-goog-api-key.
# Passing api_key= causes the SDK to inject Authorization: Bearer,
# which Google rejects with HTTP 400 "Multiple authentication
# credentials received". Use a placeholder for api_key and pass
# the real key via x-goog-api-key header instead.
# Fixes: https://github.com/NousResearch/hermes-agent/issues/7893
extra["default_headers"] = {"x-goog-api-key": api_key}
api_key = "not-used"
return OpenAI(api_key=api_key, base_url=base_url, **extra), model
return None, None
@@ -1611,6 +1629,15 @@ def resolve_provider_client(
from hermes_cli.models import copilot_default_headers
headers.update(copilot_default_headers())
elif "generativelanguage.googleapis.com" in base_url.lower():
# Google's OpenAI-compatible endpoint only accepts x-goog-api-key.
# Passing api_key= causes the OpenAI SDK to inject Authorization: Bearer,
# which Google rejects with HTTP 400 "Multiple authentication credentials
# received". Use a placeholder for api_key and pass the real key via
# x-goog-api-key header instead.
# Fixes: https://github.com/NousResearch/hermes-agent/issues/7893
headers["x-goog-api-key"] = api_key
api_key = "not-used"
client = OpenAI(api_key=api_key, base_url=base_url,
**({"default_headers": headers} if headers else {}))