Google Cloud Pipeline Components Python API Docs | dltHub

Google Cloud Pipeline Components provides a set of prebuilt Kubeflow Pipelines components for defining and running machine learning pipelines on Google Cloud Vertex AI Pipelines and other conformant backends. The REST API base URL is https://google-cloud-pipeline-components.readthedocs.io/en/latest/api/index.html and Uses Google Cloud Identity and Access Management (IAM) authentication..

dlt is an open-source Python library that handles authentication, pagination, and schema evolution automatically. dlthub provides AI context files that enable code assistants to generate production-ready pipelines. Install with uv add "dlt[hub]" and start loading Google Cloud Pipeline Components data in under 10 minutes.

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What data can I load from Google Cloud Pipeline Components?

Here are some of the endpoints you can load from Google Cloud Pipeline Components:

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How do I authenticate with the Google Cloud Pipeline Components API?

Authentication is handled via standard Google Cloud authentication mechanisms, typically requiring an authenticated GCP account with the Vertex AI API enabled.

1. Get your credentials

To obtain credentials for Google Cloud APIs (such as those used by Google Cloud Pipeline Components/Vertex AI), you generally use OAuth 2.0 rather than static API keys for authenticated data operations. 1. Go to the Google Cloud Console (console.cloud.google.com). 2. Navigate to 'APIs & Services' > 'Credentials'. 3. Click 'Create Credentials' and select 'Service account'. 4. Follow the prompts to create the account, assign the 'Vertex AI User' or 'Vertex AI Administrator' role, and generate a JSON key file. 5. Alternatively, for local development, use the Google Cloud CLI (gcloud auth application-default login) to set up Application Default Credentials (ADC). For REST calls, use 'gcloud auth print-access-token' to generate a temporary bearer token.

2. Add them to .dlt/secrets.toml

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[sources.google_cloud_pipeline_components_source]
access_token = "YOUR_BEARER_TOKEN_HERE"
# Alternatively, if using ADC (Application Default Credentials)
# The library will typically automatically detect the service account path
# google_application_credentials = "/path/to/your/service-account-key.json"

dlt reads this automatically at runtime — never hardcode tokens in your pipeline script. For production environments, see setting up credentials with dlt for environment variable and vault-based options.

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How do I set up and run the pipeline?

Set up a virtual environment and install dlt:

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uv init
uv add "dlt[hub]"

1. Install the dlt AI harness:

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uv run dlthub ai init --agent <your-agent> # <agent>: claude | cursor | codex

This installs project rules, a secrets management skill, appropriate ignore files, and configures the dlt MCP server for your agent. Learn more →

2. Install the rest-api-pipeline toolkit:

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uv run dlthub ai toolkit install rest-api-pipeline

This loads the skills and context about dlt the agent uses to build the pipeline iteratively, efficiently, and safely. The agent uses MCP tools to inspect credentials — it never needs to read your secrets.toml directly. Learn more →

3. Start LLM-assisted coding:

Use /find-source to load data from the Google Cloud Pipeline Components API into DuckDB.

The rest-api-pipeline toolkit takes over from here — it reads relevant API documentation, presents you with options for which endpoints to load, and follows a structured workflow to scaffold, debug, and validate the pipeline step by step.

4. Run the pipeline:

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uv run python google_cloud_pipeline_components_pipeline.py

If everything is configured correctly, you'll see output like this:

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Pipeline google_cloud_pipeline_components_pipeline load step completed in 0.26 seconds
1 load package(s) were loaded to destination duckdb and into dataset google_cloud_pipeline_components_data
The duckdb destination used duckdb:/google_cloud_pipeline_components.duckdb location to store data
Load package 1749667187.541553 is LOADED and contains no failed jobs

Inspect your pipeline and data:

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uv run dlthub show

This opens the Pipeline Dashboard where you can verify pipeline state, load metrics, schema (tables, columns, types), and query the loaded data directly.

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Python pipeline example

This example loads models and endpoints from the Google Cloud Pipeline Components API into DuckDB. It mirrors the endpoint and data selector configuration from the table above:

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import dlt
from dlt.sources.rest_api import RESTAPIConfig, rest_api_resources

@dlt.source
def google_cloud_pipeline_components_source(google_application_credentials=dlt.secrets.value):
    config: RESTAPIConfig = {
        "client": {
            "base_url": "https://google-cloud-pipeline-components.readthedocs.io/en/latest/api/index.html",
            "auth": {"type": "http_basic", "username": "REPLACE_ME", "password": google_application_credentials},
        },
        "resources": [
            {"name": "custom_jobs", "endpoint": {"path": "v1/custom_job"}},
            {"name": "dataflow_jobs", "endpoint": {"path": "v1/dataflow"}}
        ],
    }
    yield from rest_api_resources(config)


def get_data() -> None:
    pipeline = dlt.pipeline(
        pipeline_name="google_cloud_pipeline_components_pipeline",
        destination="duckdb",
        dataset_name="google_cloud_pipeline_components_data",
    )
    load_info = pipeline.run(google_cloud_pipeline_components_source())
    print(load_info)

To add more endpoints, append entries from the resource table to the "resources" list using the same name, path, and data_selector pattern.

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How do I query the loaded data?

Once the pipeline runs, dlt creates one table per resource. You can query with Python or SQL.

Python (pandas DataFrame):

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import dlt

data = dlt.pipeline("google_cloud_pipeline_components_pipeline").dataset()
sessions_df = data.custom_jobs.df()
print(sessions_df.head())

SQL (DuckDB example):

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SELECT * FROM google_cloud_pipeline_components_data.custom_jobs LIMIT 10;

In a marimo or Jupyter notebook:

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import dlt

data = dlt.pipeline("google_cloud_pipeline_components_pipeline").dataset()
data.custom_jobs.df().head()

See how to explore your data in marimo Notebooks and how to query your data in Python with dataset.

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What destinations can I load Google Cloud Pipeline Components data to?

dlt supports loading into any of these destinations — only the destination parameter changes:

Change the destination in dlt.pipeline(destination="snowflake") and add credentials in .dlt/secrets.toml. See the full destinations list.

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Next steps

Continue your data engineering journey with the other toolkits of the dltHub AI harness:

• data-exploration — Build custom notebooks, charts, and dashboards for deeper analysis with marimo notebooks.
• dlthub-platform — Deploy, schedule, and monitor your pipeline in production.

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uv run dlthub ai toolkit install data-exploration
uv run dlthub ai toolkit install dlthub-platform

• How to deploy a pipeline
• How to explore your data in marimo Notebooks
• How to query your data in Python with dataset
• Join the dlt community on Slack