TSheets Python API Docs | dltHub

The TSheets API documentation is available at https://tsheetsteam.github.io/api_docs/. It includes endpoints for authorization, user management, and timesheet operations. The API supports standard RESTful methods for CRUD operations. The REST API base URL is https://rest.tsheets.com/api/v1 and OAuth2 Bearer token required for all requests.

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 pip install "dlt[workspace]" and start loading TSheets data in under 10 minutes.

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What data can I load from TSheets?

Here are some of the endpoints you can load from TSheets:

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How do I authenticate with the TSheets API?

Include the OAuth2 access token in the Authorization header as Bearer <access_token> for every API call.

1. Get your credentials

1. Log in to the TSheets (QuickBooks Time) dashboard.
2. Navigate to Integrations > API and create a new OAuth application.
3. Record the generated Client ID and Client Secret.
4. Perform a POST request to https://rest.tsheets.com/api/v1/grant with client_id, client_secret, grant_type=client_credentials (or appropriate flow) to receive an access_token.
5. Store the received access token for use in API calls.

2. Add them to .dlt/secrets.toml

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[sources.tsheets_source]
token = "your_access_token_here"

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 venv && source .venv/bin/activate
uv pip install "dlt[workspace]"

1. Install the dlt AI Workbench:

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dlt 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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dlt ai toolkit rest-api-pipeline install

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 TSheets 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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python tsheets_pipeline.py

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

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Pipeline tsheets_pipeline load step completed in 0.26 seconds
1 load package(s) were loaded to destination duckdb and into dataset tsheets_data
The duckdb destination used duckdb:/tsheets.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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dlt pipeline tsheets_pipeline 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 timesheets and employees from the TSheets 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 tsheets_source(token=dlt.secrets.value):
    config: RESTAPIConfig = {
        "client": {
            "base_url": "https://rest.tsheets.com/api/v1",
            "auth": {
                "type": "bearer",
                "token": token,
            },
        },
        "resources": [
            {"name": "timesheets", "endpoint": {"path": "timesheets", "data_selector": "results"}},
            {"name": "employees", "endpoint": {"path": "employees", "data_selector": "results"}}
        ],
    }
    yield from rest_api_resources(config)


def get_data() -> None:
    pipeline = dlt.pipeline(
        pipeline_name="tsheets_pipeline",
        destination="duckdb",
        dataset_name="tsheets_data",
    )
    load_info = pipeline.run(tsheets_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("tsheets_pipeline").dataset()
sessions_df = data.timesheets.df()
print(sessions_df.head())

SQL (DuckDB example):

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SELECT * FROM tsheets_data.timesheets LIMIT 10;

In a marimo or Jupyter notebook:

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import dlt

data = dlt.pipeline("tsheets_pipeline").dataset()
data.timesheets.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 TSheets 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 Workbench:

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

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dlt ai toolkit data-exploration install
dlt ai toolkit dlthub-runtime install

• 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