Typed rows, filtered exports, and confidence labels.
Data infrastructure / open access
Public data catalog
Download the records behind the research, including market shares, concentration measures, official events, and source references. Coverage and missing values are documented for each dataset.
Source records move through market definitions, concentration calculations, confidence labels, and public data endpoints — 45 source records, 12 market profiles, 235808 record rows plus a 1 row summary endpoint across 62 API endpoints.
Record rows
235,808
Sources
45
Endpoints
62
Aug 15, 2026
Latest source review
62
Dataset families
4
Source types
Use the observatory data directly.
Public-interest exploration needs the underlying data to be inspectable. These JSON and CSV endpoints expose the same public records that power profiles, rankings, reports, and the evidence ledger.
Enforcement proceedings routes to 9 rows with JSON, CSV, notebook, and citation reuse.
All public rows are available for audit, download, or reuse.
/api/public/enforcement-proceedings62
Datasets
Aug 2026
Freshness
Selected dataset
Enforcement proceedings
Explicit domestic matter memberships joining dated official records into source-bounded chronologies, with exact organization, market, source, docket, stage, HHI-window, dossier, and Atlas routes.
Endpoint rows
9
Scope
Full public dataset
dataset rows
9
endpoint rows
9
dataset rows
9
source
all
report
all
fields
32
Use this endpoint's dataset-specific filters rather than market scope.
Enforcement proceedings declares source custody in its endpoint contract.
Enforcement proceedings has no shared market-report parameter.
Open data needs public interpretation.
The API is a starting point, not a legal conclusion. Pair downloads with methodology notes, source records, and the data-gaps report when citing market concentration.