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OpenAPI Specification
openapi: 3.2.0
info:
title: Flickr Activity Tags API
description: 'The Flickr API exposes the photo, group, people, place, tag, gallery, and
photoset capabilities that power flickr.com. Almost all flickr.com
functionality is reachable through a single REST-like endpoint
`https://api.flickr.com/services/rest` using a `method=flickr.{namespace}.{method}`
query parameter and `format=json&nojsoncallback=1` for JSON output.
This OpenAPI specification models a curated set of the most widely used
methods across the Flickr API''s 250+ method namespaces (activity, auth,
blogs, cameras, collections, commons, contacts, favorites, galleries,
groups, groupsDiscuss, interestingness, machinetags, panda, people, photos,
photos.geo, photos.licenses, photos.notes, photos.transform, photos.upload,
photosets, places, prefs, profile, push, reflection, stats, tags, test, urls).
Authentication is API key + OAuth 1.0a (HMAC-SHA1). Commercial use of the
API requires prior permission from Flickr.
'
version: 1.0.0
termsOfService: https://www.flickr.com/services/api/tos/
contact:
name: Flickr API Support
url: https://www.flickr.com/help/api/
license:
name: Flickr API Terms of Use
url: https://www.flickr.com/services/api/tos/
x-generated-from: documentation
x-last-validated: '2026-05-30'
servers:
- url: https://api.flickr.com/services
description: Flickr REST API
- url: https://up.flickr.com/services
description: Flickr Upload endpoint
security:
- ApiKeyAuth: []
- OAuth1:
- read
- write
- delete
tags:
- name: Tags
description: Tag clusters, hot lists, and tag-based lookups
paths:
/rest/flickr.tags.getHotList:
get:
operationId: tagsGetHotList
summary: List Currently Hot Tags
description: Returns the popular tags for a given period.
tags:
- Tags
parameters:
- $ref: '#/components/parameters/ApiKey'
- name: period
in: query
schema:
type: string
enum:
- day
- week
example: week
- name: count
in: query
schema:
type: integer
example: 200
responses:
'200':
description: Hot tags
content:
application/json:
schema:
$ref: '#/components/schemas/TagList'
examples:
TagsGetHotList200Example:
summary: Default tagsGetHotList 200 response
x-microcks-default: true
value:
period: week
count: 200
tag:
- _content: '100'
score: 87
thm_data: {}
x-microcks-operation:
delay: 0
dispatcher: FALLBACK
/rest/flickr.tags.getClusters:
get:
operationId: tagsGetClusters
summary: Get Tag Clusters
description: Returns the related "clusters" for a given tag.
tags:
- Tags
parameters:
- $ref: '#/components/parameters/ApiKey'
- name: tag
in: query
required: true
schema:
type: string
example: sunset
responses:
'200':
description: Clusters
content:
application/json:
schema:
$ref: '#/components/schemas/TagClusterList'
examples:
TagsGetClusters200Example:
summary: Default tagsGetClusters 200 response
x-microcks-default: true
value:
source: https://live.staticflickr.com/65535/52345678901_abc1234def_o.jpg
total: 1183
cluster:
- total: 1183
tag:
- _content: '100'
score: 87
thm_data: {}
x-microcks-operation:
delay: 0
dispatcher: FALLBACK
components:
schemas:
Tag:
type: object
properties:
_content:
type: string
example: '100'
score:
type: integer
example: 87
thm_data:
type: object
additionalProperties: true
example: {}
TagList:
type: object
properties:
period:
type: string
example: week
count:
type: integer
example: 200
tag:
type: array
items:
$ref: '#/components/schemas/Tag'
TagClusterList:
type: object
properties:
source:
type: string
example: https://live.staticflickr.com/65535/52345678901_abc1234def_o.jpg
total:
type: integer
example: 1183
cluster:
type: array
items:
type: object
properties:
total:
type: integer
example: 1183
tag:
type: array
items:
$ref: '#/components/schemas/Tag'
parameters:
ApiKey:
name: api_key
in: query
required: true
description: Application API key.
schema:
type: string
example: ab1234567890cdef1234567890abcd12
securitySchemes:
ApiKeyAuth:
type: apiKey
in: query
name: api_key
description: Application API key for non-authenticated and read-only public requests.
OAuth1:
type: oauth2
description: 'Flickr uses OAuth 1.0a (HMAC-SHA1). The OpenAPI 3 schema cannot model
OAuth 1.0a directly, so this entry approximates the flow. Token URLs:
- Request token: https://www.flickr.com/services/oauth/request_token
- Authorize: https://www.flickr.com/services/oauth/authorize
- Access token: https://www.flickr.com/services/oauth/access_token
'
flows:
authorizationCode:
authorizationUrl: https://www.flickr.com/services/oauth/authorize
tokenUrl: https://www.flickr.com/services/oauth/access_token
scopes:
read: Read access to private content owned by the user
write: Modify content owned by the user
delete: Delete content owned by the user