Add the Docs MCP to your AI coding tool to get help building with Respan. No API key needed.
There are 2 ways to add your Google Vertex AI credentials to your requests:
Google credentials are little bit tricky. You can follow this video to get your credentials:
You can choose the models you want to use your credits with. Just simply type the model ID from the Models page and copy the model id and paste it in the Available models. Press Enter to add the model.
Leave it empty to apply your credentials for all Vertex AI models.

Add customer_credentials parameter in your request body to use your own Vertex AI credits.
One-off credential overrides. Instead of using what is uploaded for each provider, this targets credentials for individual models.
gcloud init to initialize the gcloud CLI.gcloud info to get the path of your credential. You will see a line like User Config Directory: [/home/USERNAME/.config/gcloud]application_default_credentials.json in the path you got from the previous step. This file contains your credentials.vertex_ai_credentials field in the request body.For example: