openapi: 3.0.3
info:
  title: Macrostrat Age Model Definitions API
  description: Macrostrat is a platform for the aggregation and distribution of geological data relevant to the spatial and temporal distribution of sedimentary, igneous, and metamorphic rocks as well as data extracted from them. The API provides programmatic access to columns, units, fossils, geologic maps, paleogeography, measurements, and statistics.
  version: '2.0'
  license:
    name: CC-BY 4.0
    url: https://creativecommons.org/licenses/by/4.0/
  contact:
    name: Macrostrat
    url: https://macrostrat.org
servers:
- url: https://macrostrat.org/api/v2
  description: Macrostrat API v2 production endpoint
tags:
- name: Definitions
paths:
  /defs:
    get:
      summary: Standard definitions
      description: Standard fields and dictionaries used in Macrostrat.
      operationId: getDefs
      tags:
      - Definitions
      responses:
        '200':
          description: Successful response