Yandex Cloud AI Studio Text Classification Python API Docs | dltHub

Build a Yandex Cloud AI Studio Text Classification-to-database pipeline in Python using dlt with AI Workbench support for Claude Code, Cursor, and Codex.

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Yandex Cloud AI Studio Text Classification API supports REST and gRPC methods for text classification, including the fewShotClassify method for binary and multi-class classification. The REST API is accessible via https://yandex.cloud/en/docs/ai-studio/text-classification/api-ref/TextClassification/. The REST API base URL is https://llm.api.cloud.yandex.net/foundationModels/v1 and Requests require a Bearer IAM token in the Authorization header..

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 Yandex Cloud AI Studio Text Classification data in under 10 minutes.


What data can I load from Yandex Cloud AI Studio Text Classification?

Here are some of the endpoints you can load from Yandex Cloud AI Studio Text Classification:

ResourceEndpointMethodData selectorDescription
few_shot_classify/foundationModels/v1/fewShotTextClassificationPOSTpredictionsClassifies text using few‑shot examples.
zero_shot_classify/foundationModels/v1/zeroShotTextClassificationPOSTpredictionsClassifies text without example data.
list_models/foundationModels/v1/modelsGETmodelsReturns a list of available classification models.
get_model_info/foundationModels/v1/models/{model_id}GETschemaRetrieves detailed information about a specific model.
service_status/foundationModels/v1/statusGETstatusProvides health and version information of the service.

How do I authenticate with the Yandex Cloud AI Studio Text Classification API?

Include the header Authorization: Bearer <IAM token> with each request.

1. Get your credentials

  1. Open the Yandex Cloud console and navigate to the "Service Accounts" section.
  2. Create a new service account or select an existing one.
  3. Grant the service account the "ai.studio" role.
  4. In the service account details, click "Create IAM token" (or use the CLI: yc iam create-token --service-account-id <id>).
  5. Copy the generated token; it will be used as the Bearer token in API requests.

2. Add them to .dlt/secrets.toml

[sources.yandex_cloud_ai_studio_text_classification_source] iam_token = "your_iam_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.


How do I set up and run the pipeline?

Set up a virtual environment and install dlt:

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

1. Install the dlt AI Workbench:

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:

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 Yandex Cloud AI Studio Text Classification 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:

python yandex_cloud_ai_studio_text_classification_pipeline.py

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

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

Inspect your pipeline and data:

dlt pipeline yandex_cloud_ai_studio_text_classification_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.


Python pipeline example

This example loads few_shot_classify and zero_shot_classify from the Yandex Cloud AI Studio Text Classification API into DuckDB. It mirrors the endpoint and data selector configuration from the table above:

import dlt from dlt.sources.rest_api import RESTAPIConfig, rest_api_resources @dlt.source def yandex_cloud_ai_studio_text_classification_source(iam_token=dlt.secrets.value): config: RESTAPIConfig = { "client": { "base_url": "https://llm.api.cloud.yandex.net/foundationModels/v1", "auth": { "type": "bearer", "token": iam_token, }, }, "resources": [ {"name": "few_shot_classify", "endpoint": {"path": "foundationModels/v1/fewShotTextClassification", "data_selector": "predictions"}}, {"name": "zero_shot_classify", "endpoint": {"path": "foundationModels/v1/zeroShotTextClassification", "data_selector": "predictions"}} ], } yield from rest_api_resources(config) def get_data() -> None: pipeline = dlt.pipeline( pipeline_name="yandex_cloud_ai_studio_text_classification_pipeline", destination="duckdb", dataset_name="yandex_cloud_ai_studio_text_classification_data", ) load_info = pipeline.run(yandex_cloud_ai_studio_text_classification_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.


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):

import dlt data = dlt.pipeline("yandex_cloud_ai_studio_text_classification_pipeline").dataset() sessions_df = data.few_shot_classify.df() print(sessions_df.head())

SQL (DuckDB example):

SELECT * FROM yandex_cloud_ai_studio_text_classification_data.few_shot_classify LIMIT 10;

In a marimo or Jupyter notebook:

import dlt data = dlt.pipeline("yandex_cloud_ai_studio_text_classification_pipeline").dataset() data.few_shot_classify.df().head()

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


What destinations can I load Yandex Cloud AI Studio Text Classification data to?

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

DestinationExample value
DuckDB (local, default)"duckdb"
PostgreSQL"postgres"
BigQuery"bigquery"
Snowflake"snowflake"
Redshift"redshift"
Databricks"databricks"
Filesystem (S3, GCS, Azure)"filesystem"

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


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

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