# Department of Interior time-series-metadata API

**Canonical:** https://apis.io/apis/doi/doi-time-series-metadata-api/  
**Provider:** Department of Interior — https://apis.io/providers/doi/  
**Base URL:** https://developer.nps.gov/api/v1  
**Documentation:** https://www.nps.gov/subjects/developer/index.htm

Department of Interior time-series-metadata API is one of 41 APIs that [Department of Interior](https://apis.io/providers/doi/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include time-series-metadata. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

Daily data and continuous measurements are grouped into time series, which represent a collection of observations of a single parameter, potentially aggregated using a standard statistic, at a single monitoring location. This endpoint provides metadata about those time series, including their operational thresholds, units of measurement, and when the earliest and most recent observations in a time series occurred.

## Machine-readable artifacts (3)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/doi/refs/heads/main/openapi/doi-time-series-metadata-api-openapi.yml
- **Documentation** — https://api.waterdata.usgs.gov/docs/
- **Migration** — https://api.waterdata.usgs.gov/docs/ogcapi/migration/

## Other Department of Interior APIs (12)

- [NPS Data API](https://apis.io/apis/doi/nps-data-api/)
- [USGS Earthquake Hazards Web Services](https://apis.io/apis/doi/usgs-earthquake-hazards-web-services/)
- [USGS Mineral Resources Data API](https://apis.io/apis/doi/usgs-mineral-resources-data-api/)
- [BLM GIS REST Services](https://apis.io/apis/doi/blm-gis-rest-services/)
- [USGS ScienceBase API](https://apis.io/apis/doi/usgs-sciencebase-api/)
- [Department of Interior agency-codes API](https://apis.io/apis/doi/doi-agency-codes-api/)
- [Department of Interior altitude-datums API](https://apis.io/apis/doi/doi-altitude-datums-api/)
- [Department of Interior aquifer-codes API](https://apis.io/apis/doi/doi-aquifer-codes-api/)
- [Department of Interior aquifer-types API](https://apis.io/apis/doi/doi-aquifer-types-api/)
- [Department of Interior channel-measurements API](https://apis.io/apis/doi/doi-channel-measurements-api/)
- [Department of Interior citations API](https://apis.io/apis/doi/doi-citations-api/)
- [Department of Interior combined-metadata API](https://apis.io/apis/doi/doi-combined-metadata-api/)

## Tags

time-series-metadata

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/doi/doi-time-series-metadata-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/doi/.