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OpenAPI Specification
openapi: 3.2.0
info:
title: METACRAN CranLogs Downloads API
description: REST API providing download statistics for R packages from the RStudio CRAN mirror. Supports per-package and top-package download counts across daily, weekly, monthly, and all-time periods. Returns JSON responses.
version: 1.0.0
contact:
name: METACRAN
url: https://r-pkg.org
license:
name: MIT
url: https://opensource.org/licenses/MIT
servers:
- url: https://cranlogs.r-pkg.org
description: METACRAN CranLogs production server
tags:
- name: Downloads
description: Package download statistics
paths:
/downloads/total/{period}/{packages}:
get:
operationId: getPackageDownloadTotals
summary: Get Package Download Totals
description: Returns the total number of downloads for one or more R packages over the specified time period from the RStudio CRAN mirror.
tags:
- Downloads
parameters:
- name: period
in: path
required: true
description: Time period for download stats. Use last-day, last-week, last-month, grand-total, or a date range like 2023-01-01:2023-12-31.
schema:
type: string
enum:
- last-day
- last-week
- last-month
- grand-total
example: last-week
- name: packages
in: path
required: true
description: Package name or comma-separated list of package names.
schema:
type: string
example: ggplot2
responses:
'200':
description: Download totals for the specified packages
content:
application/json:
schema:
type: array
items:
$ref: '#/components/schemas/DownloadTotal'
/downloads/daily/{period}/{packages}:
get:
operationId: getPackageDownloadDaily
summary: Get Package Daily Downloads
description: Returns daily download counts for one or more R packages over the specified time period.
tags:
- Downloads
parameters:
- name: period
in: path
required: true
description: Time period (last-day, last-week, last-month, or date range)
schema:
type: string
example: last-month
- name: packages
in: path
required: true
description: Package name or comma-separated list
schema:
type: string
example: dplyr,tidyr
responses:
'200':
description: Daily download counts for the specified packages
content:
application/json:
schema:
type: array
items:
$ref: '#/components/schemas/DownloadDaily'
components:
schemas:
DownloadDaily:
type: object
properties:
package:
type: string
description: R package name
example: dplyr
start:
type: string
format: date
description: Start date of the period
example: '2024-01-01'
end:
type: string
format: date
description: End date of the period
example: '2024-01-31'
downloads:
type: array
description: Daily download counts
items:
$ref: '#/components/schemas/DailyCount'
DownloadTotal:
type: object
properties:
package:
type: string
description: R package name
example: ggplot2
start:
type: string
format: date
description: Start date of the period
example: '2024-01-01'
end:
type: string
format: date
description: End date of the period
example: '2024-01-07'
downloads:
type: integer
description: Total download count for the period
example: 142835
DailyCount:
type: object
properties:
day:
type: string
format: date
description: Date of downloads
example: '2024-01-15'
downloads:
type: integer
description: Number of downloads on this day
example: 4821