Reference
API reference
Base URL https://api.visualizedata.dev. Every endpoint is a GET and returns JSON unless the path ends in another format.
Generated from the dataset contracts when this site was built. Add @{version} after any dataset id to
pin a version (how). Errors are problem documents.
Endpoints
GET /v1
The API index for this site.
- site, name, tagline
- api_version: "v1"
- links.catalog, links.status
Example: https://api.visualizedata.dev/v1
GET /v1/catalog
Every dataset published on this site.
- site
- datasets[]: id, kind, title, description, current (version), published_at, cadence, check_every, sla, discontinued
- datasets[].source: name, url, license, commercial_ok
- datasets[].coverage: start, end
GET /v1/status
How fresh each dataset is.
- site, generated_at, overall ("ok" or "degraded")
- datasets[]: id, status, version, checked_at, source_updated_at, sla, consecutive_failures, last_error
- status is one of ok, pending, late, stale-upstream, failing, blocked, discontinued
GET /v1/{dataset}
Metadata for one dataset: the version that answered, its coverage, source, validation and downloads.
- dataset, kind, title, description, cadence
- version, current_version, pinned, published_at
- source: id, name, publisher, url, license, commercial_ok, attribution, retrieved_at, source_updated_at
- coverage: start, end
- validation: status (pass, warn), warnings[]
- series[]: id, name; for tables also key[] and partition
- downloads[]: name, bytes, url
- links: locations, versions, this_version
Example: https://api.visualizedata.dev/v1/boundaries
Errors: unknown-dataset , unknown-version , data-unavailable , and rate-limited for any endpoint.
GET /v1/{dataset}/versions
The version history.
- dataset, current, published_at
- previous[]: earlier version ids, newest first
- snapshots: month (YYYY-MM) to version id
Example: https://api.visualizedata.dev/v1/boundaries/versions
Errors: unknown-dataset , and rate-limited for any endpoint.
GET /v1/{dataset}/locations
What can be requested: each series with its location ids, or for tables the partitions (under the series id "table").
- dataset, version, kind
- series[]: id, name, locations[] (ids)
- locations[]: id, name
Example: https://api.visualizedata.dev/v1/boundaries/locations
Errors: unknown-dataset , unknown-version , and rate-limited for any endpoint.
GET /v1/{dataset}/{series}/{location}.json
One series at one place, ordered by date. Also .csv.
- meta: dataset, series, series_name, location, location_name, units, source, license, attribution
- data[]: one object per row, with the dataset's columns
Errors: unknown-file , unknown-format , and rate-limited for any endpoint.
GET /v1/{dataset}/table/{partition}.json
Rows of a table for one partition value; table/all has every row for tables up to 50,000 rows. Also .csv.
- meta: dataset, key, partition (when partitioned), rows (count), units, source, license, attribution
- rows[]: one object per row
Errors: unknown-file , unknown-format , and rate-limited for any endpoint.
GET /v1/{dataset}/download/{dataset}.csv
The whole dataset in one file. Also .parquet. Series downloads add series and location columns.
- CSV (text/csv) or Parquet (application/vnd.apache.parquet)
- Supports Range requests (206)
Errors: unknown-file , and rate-limited for any endpoint.
GET /v1/{dataset}/{path}
A file of a files dataset, at its published path.
- The file, with a content type from its extension
Errors: unknown-file , and rate-limited for any endpoint.
Datasets
Map boundaries Files
- Id
boundaries- Updates
- Yearly
| What | Path |
|---|---|
| Metadata: version, coverage, downloads, validation | /v1/boundaries |
| Versions and monthly snapshots | /v1/boundaries/versions |
| One file, at the path listed in the metadata | /v1/boundaries/{path} |