Load Google SERP API data to DuckDB

SerpApi is a real-time service that scrapes search engine results and parses them into structured JSON format. Everything needed to build a working Google SERP API → DuckDB pipeline is on this page: the API's base URL, authentication, endpoints, pagination and incremental field — plus a prompt that hands the whole job to your coding agent.

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Build your Google SERP API to DuckDB pipeline

Paste this prompt into Claude, Codex, or Cursor. The agent does the rest.

PromptCopy prompt
Run uvx dlthub-init@latest to build a pipeline from Google SERP API to DuckDB and run it on dltHub

That scaffolds a dltHub workspace and installs the dltHub AI harness — the project rules, the secrets-management skill, and the dlt MCP server your agent needs to work safely. From there it reads the Google SERP API API, proposes the endpoints to load, then writes, runs and validates the pipeline while you review rather than type. Credentials are inspected through MCP tools, so your agent never reads secrets.toml itself. How the LLM-native workflow works →

Prefer to write it yourself? Every fact the agent uses is below.

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Google SERP API API at a glance

These values come from the Google SERP API API reference — the authoritative source if anything here looks out of date.

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How do I authenticate with the Google SERP API API?

The primary authentication method is passing the API key as a query parameter named 'api_key'. For certain integrations like the MCP service, an 'Authorization: Bearer <API_KEY>' header is supported.

1. Get your credentials

1. Navigate to the SerpApi website (https://serpapi.com/) and register for an account if you do not have one. 2. Sign in to your account. 3. Open the dashboard by navigating to the Account page (https://serpapi.com/account). 4. Locate your private API key displayed on the page. Copy this value for use in your pipeline.

2. Add them to .dlt/secrets.toml

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[sources.google_serp_api_source]
api_key = "your_api_key_here"

dlt reads this file automatically at runtime. With the harness, the setup-secrets skill prompts you for the values and never handles the raw credential in chat. For production, see setting up credentials with dlt.

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What Google SERP API data can I load into DuckDB?

These are the Google SERP API endpoints dlt can load into DuckDB:

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How do I load only new Google SERP API records?

Google SERP API exposes start on v1/cse/list, so dlt can request only the records that changed since the last run. Set it as the cursor_path and dlt tracks the high-water mark for you between runs.

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{"name": "search", "endpoint": {
    "path": "v1/cse/list",
    "data_selector": "items",
    "incremental": {"cursor_path": "start", "initial_value": "2024-01-01T00:00:00Z"},
}}

On the first run dlt loads everything from initial_value; on every run after that it requests only what changed and appends with write_disposition="merge" if you set a primary key. See incremental loading.

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What does the generated Google SERP API pipeline look like?

A standard dlt REST API pipeline — the same code you would write by hand, loading search and account from the Google SERP API API into DuckDB:

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

@dlt.source
def google_serp_api_source(api_key=dlt.secrets.value):
    config: RESTAPIConfig = {
        "client": {
            "base_url": "https://serpapi.com",
            "auth": {"type": "bearer", "token": api_key},
        },
        "resources": [
            {"name": "search", "endpoint": {"path": "v1/cse/list", "data_selector": "items"}},
            {"name": "pagination", "endpoint": {"path": "v1/cse/list", "data_selector": "queries.nextPage"}}
        ],
    }
    yield from rest_api_resources(config)


def load_google_serp_api_to_duckdb() -> None:
    pipeline = dlt.pipeline(
        pipeline_name="google_serp_api_pipeline",
        destination="duckdb",
        dataset_name="google_serp_api_data",
    )
    load_info = pipeline.run(google_serp_api_source())
    print(load_info)


if __name__ == "__main__":
    load_google_serp_api_to_duckdb()

Run it with python google_serp_api_pipeline.py. The agent iterates on this until it loads cleanly — you review and approve, rather than write it from scratch.

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How do I query Google SERP API data in DuckDB?

dlt creates one table per resource. Query the loaded data with Python or SQL — or ask your agent to, through the MCP server's execute_sql_query tool.

Python (pandas DataFrame):

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import dlt

data = dlt.pipeline("google_serp_api_pipeline").dataset()
df = data.search.df()
print(df.head())

SQL:

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SELECT * FROM google_serp_api_data.search LIMIT 10;

See querying your data with dataset and exploring it in marimo notebooks.

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How do I deploy the Google SERP API to DuckDB pipeline in production?

The pipeline runs locally, which is ideal for prototyping and one-off analysis. When you need it on a schedule, monitored on every load, and shared with your team, deploy the same dlt code on the dltHub platform — no infrastructure to maintain. The prompt above already ends with "run it on dltHub", so your agent can take it there directly.

• Deploy & schedule — run the pipeline as a managed job with automatic retries.
• Monitor — observable job queues, alerting, and load metrics for every run.
• Transform — promote raw Google SERP API loads into governed, documented models.
• Visualize & share — explore data in notebooks and publish live dashboards instead of static screenshots.

Book a demo →

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What other destinations can I load Google SERP API data to?

dlt loads into any of these — only the destination argument changes:

Set dlt.pipeline(destination="snowflake") and add credentials in .dlt/secrets.toml. On the dltHub platform the same pipeline runs against a managed Iceberg lakehouse. See the full destinations list.

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Next steps

• Ready for production? Book a demo of the dltHub platform →
• dlt LLM-native workflow docs
• REST API source reference
• Join the dlt community on Slack