openapi: 3.0.3
info:
  title: Macrostrat Age Model Columns 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: Columns
paths:
  /columns:
    get:
      summary: Search columns
      description: Search and summarize columns based on unit properties or geographic location.
      operationId: getColumns
      tags:
      - Columns
      parameters:
      - name: format
        in: query
        schema:
          type: string
          enum:
          - json
          - csv
          - geojson
          - topojson
      - name: lat
        in: query
        schema:
          type: number
      - name: lng
        in: query
        schema:
          type: number
      - name: age
        in: query
        schema:
          type: number
      responses:
        '200':
          description: Successful response