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fix(ai): support GOOGLE_CLOUD_API_KEY for google-vertex (#1948) (#1976)

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Gordon Hui
2026-03-09 20:30:22 +08:00
committed by GitHub
parent d9cfa115be
commit 01f7faae9c
4 changed files with 51 additions and 12 deletions
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packages/ai/README.md
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@@ -37,7 +37,7 @@ Unified LLM API with automatic model discovery, provider configuration, token an
- [Environment Variables](#environment-variables-nodejs-only)
- [Checking Environment Variables](#checking-environment-variables)
- [OAuth Providers](#oauth-providers)
- [Vertex AI (ADC)](#vertex-ai-adc)
- [Vertex AI](#vertex-ai)
- [CLI Login](#cli-login)
- [Programmatic OAuth](#programmatic-oauth)
- [Login Flow Example](#login-flow-example)
@@ -907,7 +907,7 @@ In Node.js environments, you can set environment variables to avoid passing API
| Azure OpenAI | `AZURE_OPENAI_API_KEY` + `AZURE_OPENAI_BASE_URL` or `AZURE_OPENAI_RESOURCE_NAME` (optional `AZURE_OPENAI_API_VERSION`, `AZURE_OPENAI_DEPLOYMENT_NAME_MAP` like `model=deployment,model2=deployment2`) |
| Anthropic | `ANTHROPIC_API_KEY` or `ANTHROPIC_OAUTH_TOKEN` |
| Google | `GEMINI_API_KEY` |
| Vertex AI | `GOOGLE_CLOUD_PROJECT` (or `GCLOUD_PROJECT`) + `GOOGLE_CLOUD_LOCATION` + ADC |
| Vertex AI | `GOOGLE_CLOUD_API_KEY` or `GOOGLE_CLOUD_PROJECT` (or `GCLOUD_PROJECT`) + `GOOGLE_CLOUD_LOCATION` + ADC |
| Mistral | `MISTRAL_API_KEY` |
| Groq | `GROQ_API_KEY` |
| Cerebras | `CEREBRAS_API_KEY` |
@@ -975,14 +975,15 @@ Several providers require OAuth authentication instead of static API keys:
For paid Cloud Code Assist subscriptions, set `GOOGLE_CLOUD_PROJECT` or `GOOGLE_CLOUD_PROJECT_ID` to your project ID.
### Vertex AI (ADC)
### Vertex AI
Vertex AI models use Application Default Credentials (ADC):
Vertex AI models support either a Google Cloud API key or Application Default Credentials (ADC):
- **Local development**: Run `gcloud auth application-default login`
- **CI/Production**: Set `GOOGLE_APPLICATION_CREDENTIALS` to point to a service account JSON key file
- **API key**: Set `GOOGLE_CLOUD_API_KEY` or pass `apiKey` in the call options.
- **Local development (ADC)**: Run `gcloud auth application-default login`
- **CI/Production (ADC)**: Set `GOOGLE_APPLICATION_CREDENTIALS` to point to a service account JSON key file
Also set `GOOGLE_CLOUD_PROJECT` (or `GCLOUD_PROJECT`) and `GOOGLE_CLOUD_LOCATION`. You can also pass `project`/`location` in the call options.
When using ADC, also set `GOOGLE_CLOUD_PROJECT` (or `GCLOUD_PROJECT`) and `GOOGLE_CLOUD_LOCATION`. You can also pass `project`/`location` in the call options. When using `GOOGLE_CLOUD_API_KEY`, `project` and `location` are not required.
Example:
@@ -1003,6 +1004,8 @@ import { getModel, complete } from '@mariozechner/pi-ai';
const model = getModel('google-vertex', 'gemini-2.5-flash');
const response = await complete(model, {
messages: [{ role: 'user', content: 'Hello from Vertex AI' }]
}, {
apiKey: process.env.GOOGLE_CLOUD_API_KEY,
});
for (const block of response.content) {