compose_download_csv_v1_datasets__provider___dataset__compose_do
Download a composed join of two datasets as a CSV file. Specify the main dataset, target dataset, and join columns to stream the result.
Instructions
GET /v1/datasets/{provider}/{dataset}/compose/download.csv (public) — Download a composed join as CSV — Stream a composed CSV of provider/dataset joined with target.
Kept narrow for v1: single join, single join column, no computed columns,
no filters. Mirrors the shape of POST /compose/preview so users can
preview then download without tweaking parameters.
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| provider | Yes | ||
| dataset | Yes | ||
| target | Yes | Join target dataset path (e.g. 'census/acs-5yr') | |
| source_column | Yes | Column in the main dataset to join on | |
| join_column | Yes | Column in the target dataset to join on |