V5 Metadata Discovery Endpoints
The V5 API provides metadata endpoints under https://delphi.cmu.edu/epidata/v5/metadata/ to explore available sources, signals, geographies, schemas, and date ranges.
| Endpoint | Description | Parameters | Example Query |
|---|---|---|---|
/epidata/v5/metadata/ |
Overview of sources, signals, geographic levels, and date ranges. | source (optional) |
?source=nssp |
geo_signals/ |
Sources and signals available for a given location or across sources. | source (optional)geo_type (optional)geo_value (optional) |
?geo_type=state&geo_value=pa |
latest_update/ |
Finish timestamp of the newest ingestion run for a source. | source (required)tz (optional) |
?source=nssp |
report_times/ |
Sorted list of publication dates (report_time). |
source (required)signal (optional) |
?source=nssp |
reference_times/ |
Sorted list of observation dates (reference_time). |
source (required)signal (optional) |
?source=nssp |
extra_key_values/ |
Distinct values for source-specific extra dimension columns. | source (required)signal (optional) |
?source=nwss |
aux_schema/ |
Column names and SQL data types for auxiliary tables. | source (optional) |
?source=nwss |