Flickr Reflection API
Programmatic discovery of available API methods
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OpenAPI Specification
openapi: 3.2.0
info:
title: Flickr Activity Reflection 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: Reflection
description: Programmatic discovery of available API methods
paths:
/rest:
get:
operationId: invokeFlickrMethod
summary: Invoke Any Flickr Method
description: 'Dispatches a call to any flickr.* method. The `method` query parameter
selects which method to invoke and the remaining query parameters are
the arguments for that method. This single endpoint backs every
per-method operation defined below.
'
tags:
- Reflection
parameters:
- $ref: '#/components/parameters/Method'
- $ref: '#/components/parameters/ApiKey'
- $ref: '#/components/parameters/Format'
- $ref: '#/components/parameters/NoJsonCallback'
responses:
'200':
description: Method response (shape depends on method)
content:
application/json:
schema:
$ref: '#/components/schemas/MethodResponse'
examples:
InvokeFlickrMethod200Example:
summary: Default invokeFlickrMethod 200 response
x-microcks-default: true
value: {}
'400':
$ref: '#/components/responses/FlickrError'
x-microcks-operation:
delay: 0
dispatcher: FALLBACK
/rest/flickr.reflection.getMethods:
get:
operationId: reflectionGetMethods
summary: List Available API Methods
description: Returns a list of available Flickr API methods.
tags:
- Reflection
parameters:
- $ref: '#/components/parameters/ApiKey'
responses:
'200':
description: Methods
content:
application/json:
schema:
$ref: '#/components/schemas/MethodList'
examples:
ReflectionGetMethods200Example:
summary: Default reflectionGetMethods 200 response
x-microcks-default: true
value:
methods:
method:
- _content: '100'
x-microcks-operation:
delay: 0
dispatcher: FALLBACK
/rest/flickr.reflection.getMethodInfo:
get:
operationId: reflectionGetMethodInfo
summary: Get API Method Info
description: Returns information about a particular API method including its arguments and errors.
tags:
- Reflection
parameters:
- $ref: '#/components/parameters/ApiKey'
- name: method_name
in: query
required: true
schema:
type: string
example: flickr.photos.search
responses:
'200':
description: Method info
content:
application/json:
schema:
$ref: '#/components/schemas/MethodInfo'
examples:
ReflectionGetMethodInfo200Example:
summary: Default reflectionGetMethodInfo 200 response
x-microcks-default: true
value:
method:
name: Bay Area Photographers
needslogin: 0
needssigning: 1
requiredperms: 0
description:
_content: '100'
arguments:
argument:
- name: Bay Area Photographers
optional: 0
_content: '100'
errors:
error:
- code: 100
message: Invalid API Key
_content: '100'
x-microcks-operation:
delay: 0
dispatcher: FALLBACK
components:
parameters:
NoJsonCallback:
name: nojsoncallback
in: query
description: Set to 1 to receive raw JSON instead of JSONP.
schema:
type: integer
default: 1
example: 1
ApiKey:
name: api_key
in: query
required: true
description: Application API key.
schema:
type: string
example: ab1234567890cdef1234567890abcd12
Format:
name: format
in: query
description: Response format (json/xml/php_serial/rest).
schema:
type: string
default: json
example: json
Method:
name: method
in: query
required: true
description: Fully qualified flickr method, e.g. `flickr.photos.search`.
schema:
type: string
example: flickr.photos.search
schemas:
MethodInfo:
type: object
properties:
method:
type: object
properties:
name:
type: string
example: Bay Area Photographers
needslogin:
type: integer
example: 0
needssigning:
type: integer
example: 1
requiredperms:
type: integer
example: 0
description:
type: object
properties:
_content:
type: string
example: '100'
arguments:
type: object
properties:
argument:
type: array
items:
type: object
properties:
name:
type: string
example: Bay Area Photographers
optional:
type: integer
example: 0
_content:
type: string
example: '100'
errors:
type: object
properties:
error:
type: array
items:
type: object
properties:
code:
type: integer
example: 100
message:
type: string
example: Invalid API Key
_content:
type: string
example: '100'
MethodResponse:
type: object
description: Generic method response (varies by method).
additionalProperties: true
FlickrError:
type: object
properties:
stat:
type: string
example: fail
code:
type: integer
example: 100
message:
type: string
example: Invalid API Key
MethodList:
type: object
properties:
methods:
type: object
properties:
method:
type: array
items:
type: object
properties:
_content:
type: string
example: '100'
responses:
FlickrError:
description: Flickr error response
content:
application/json:
schema:
$ref: '#/components/schemas/FlickrError'
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