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OpenAPI Specification
openapi: 3.0.3
info:
title: Unsplash Collections Search API
description: 'The Unsplash API provides access to the world''s largest open collection of high-quality, freely usable photos. Build photo-powered applications with search, random photos, user profiles, collections, topics, and statistics. Authentication uses Client-ID for public access or OAuth 2.0 Bearer tokens for user-authenticated operations. Rate limits: 50 req/hr (demo), 1000 req/hr (production). Downloads must be tracked via the /photos/:id/download endpoint per Unsplash API guidelines.'
version: 1.0.0
contact:
name: Unsplash Developers
url: https://unsplash.com/developers
termsOfService: https://unsplash.com/api-terms
servers:
- url: https://api.unsplash.com
description: Unsplash API
security:
- ClientID: []
tags:
- name: Search
description: Search photos, collections, and users
paths:
/search/photos:
get:
operationId: searchPhotos
summary: Search Photos
description: Search photos by keyword. Returns paginated results with photo objects and total count. Supports filtering by orientation, color, and content safety.
tags:
- Search
parameters:
- name: query
in: query
required: true
schema:
type: string
description: Search query string
example: forest mountains
- name: page
in: query
schema:
type: integer
minimum: 1
default: 1
description: Page number
- name: per_page
in: query
schema:
type: integer
minimum: 1
maximum: 30
default: 10
description: Results per page
- name: order_by
in: query
schema:
type: string
enum:
- relevant
- latest
default: relevant
description: How to order results
- name: collections
in: query
schema:
type: string
description: Comma-separated collection IDs to search within
- name: content_filter
in: query
schema:
type: string
enum:
- low
- high
default: low
description: Content safety filter level
- name: color
in: query
schema:
type: string
enum:
- black_and_white
- black
- white
- yellow
- orange
- red
- purple
- magenta
- green
- teal
- blue
description: Filter by dominant color
- name: orientation
in: query
schema:
type: string
enum:
- landscape
- portrait
- squarish
description: Filter by orientation
- name: lang
in: query
schema:
type: string
description: Language code for multi-language search (beta)
responses:
'200':
description: Search results
content:
application/json:
schema:
$ref: '#/components/schemas/SearchPhotosResult'
'401':
$ref: '#/components/responses/Unauthorized'
/search/collections:
get:
operationId: searchCollections
summary: Search Collections
description: Search collections by keyword.
tags:
- Search
parameters:
- name: query
in: query
required: true
schema:
type: string
description: Search query
- name: page
in: query
schema:
type: integer
default: 1
description: Page number
- name: per_page
in: query
schema:
type: integer
minimum: 1
maximum: 30
default: 10
description: Results per page
responses:
'200':
description: Collection search results
content:
application/json:
schema:
$ref: '#/components/schemas/SearchCollectionsResult'
'401':
$ref: '#/components/responses/Unauthorized'
/search/users:
get:
operationId: searchUsers
summary: Search Users
description: Search users by keyword.
tags:
- Search
parameters:
- name: query
in: query
required: true
schema:
type: string
description: Search query
- name: page
in: query
schema:
type: integer
default: 1
description: Page number
- name: per_page
in: query
schema:
type: integer
minimum: 1
maximum: 30
default: 10
description: Results per page
responses:
'200':
description: User search results
content:
application/json:
schema:
$ref: '#/components/schemas/SearchUsersResult'
'401':
$ref: '#/components/responses/Unauthorized'
components:
schemas:
User:
allOf:
- $ref: '#/components/schemas/UserSummary'
- type: object
description: Full user profile
properties:
email:
type: string
format: email
instagram_username:
type:
- string
- 'null'
twitter_username:
type:
- string
- 'null'
downloads:
type: integer
followers_count:
type: integer
following_count:
type: integer
allow_messages:
type: boolean
numeric_id:
type: integer
followed_by_user:
type: boolean
photos:
type: array
items:
$ref: '#/components/schemas/Photo'
Photo:
type: object
description: An Unsplash photo object
properties:
id:
type: string
description: Unique photo identifier
example: Dwu85P9SOIk
created_at:
type: string
format: date-time
description: When the photo was uploaded
updated_at:
type: string
format: date-time
description: When the photo was last updated
promoted_at:
type:
- string
- 'null'
format: date-time
description: When the photo was promoted to editorial feed
width:
type: integer
description: Photo width in pixels
example: 5616
height:
type: integer
description: Photo height in pixels
example: 3744
color:
type: string
description: Dominant color hex code
example: '#6E633A'
blur_hash:
type: string
description: BlurHash for placeholder preview
example: L~I64nofRjof%MQZWBS$Mxnhx]t6
description:
type:
- string
- 'null'
description: Photographer-provided description
alt_description:
type:
- string
- 'null'
description: Auto-generated alt text for accessibility
likes:
type: integer
description: Number of likes
downloads:
type: integer
description: Total download count
views:
type: integer
description: Total view count
liked_by_user:
type: boolean
description: Whether the current authenticated user liked this photo
urls:
type: object
description: Image URLs at different sizes
properties:
raw:
type: string
format: uri
description: Original image URL with no transformations
full:
type: string
format: uri
description: Full-quality image (large width, no compression)
regular:
type: string
format: uri
description: 1080px wide image
small:
type: string
format: uri
description: 400px wide image
thumb:
type: string
format: uri
description: 200px wide thumbnail
small_s3:
type: string
format: uri
description: Small S3-hosted image
links:
type: object
description: API and site links for the photo
properties:
self:
type: string
format: uri
html:
type: string
format: uri
download:
type: string
format: uri
download_location:
type: string
format: uri
user:
$ref: '#/components/schemas/UserSummary'
location:
type: object
description: Location where the photo was taken
properties:
name:
type:
- string
- 'null'
city:
type:
- string
- 'null'
country:
type:
- string
- 'null'
position:
type: object
properties:
latitude:
type:
- number
- 'null'
longitude:
type:
- number
- 'null'
tags:
type: array
items:
type: object
properties:
type:
type: string
title:
type: string
exif:
type: object
description: Camera EXIF metadata
properties:
make:
type:
- string
- 'null'
model:
type:
- string
- 'null'
name:
type:
- string
- 'null'
exposure_time:
type:
- string
- 'null'
aperture:
type:
- string
- 'null'
focal_length:
type:
- string
- 'null'
iso:
type:
- integer
- 'null'
SearchUsersResult:
type: object
properties:
total:
type: integer
total_pages:
type: integer
results:
type: array
items:
$ref: '#/components/schemas/User'
Error:
type: object
properties:
errors:
type: array
items:
type: string
description: Array of human-readable error messages
Collection:
type: object
description: An Unsplash photo collection
properties:
id:
type: string
description: Collection identifier
title:
type: string
description: Collection title
description:
type:
- string
- 'null'
description: Collection description
published_at:
type: string
format: date-time
last_collected_at:
type: string
format: date-time
updated_at:
type: string
format: date-time
featured:
type: boolean
description: Whether the collection is featured
total_photos:
type: integer
description: Total number of photos in the collection
private:
type: boolean
description: Whether the collection is private
share_key:
type:
- string
- 'null'
description: Share key for private collections
cover_photo:
oneOf:
- $ref: '#/components/schemas/Photo'
- type: 'null'
description: Cover photo for the collection
user:
$ref: '#/components/schemas/UserSummary'
links:
type: object
properties:
self:
type: string
format: uri
html:
type: string
format: uri
photos:
type: string
format: uri
related:
type: string
format: uri
UserSummary:
type: object
description: Abbreviated user object for embedding in photo/collection responses
properties:
id:
type: string
username:
type: string
name:
type: string
portfolio_url:
type:
- string
- 'null'
format: uri
bio:
type:
- string
- 'null'
location:
type:
- string
- 'null'
total_likes:
type: integer
total_photos:
type: integer
total_collections:
type: integer
profile_image:
type: object
properties:
small:
type: string
format: uri
medium:
type: string
format: uri
large:
type: string
format: uri
links:
type: object
properties:
self:
type: string
format: uri
html:
type: string
format: uri
photos:
type: string
format: uri
likes:
type: string
format: uri
SearchPhotosResult:
type: object
properties:
total:
type: integer
description: Total number of matching results
total_pages:
type: integer
description: Total number of pages
results:
type: array
items:
$ref: '#/components/schemas/Photo'
SearchCollectionsResult:
type: object
properties:
total:
type: integer
total_pages:
type: integer
results:
type: array
items:
$ref: '#/components/schemas/Collection'
responses:
Unauthorized:
description: Missing or invalid authentication
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
securitySchemes:
ClientID:
type: apiKey
in: header
name: Authorization
description: 'Use `Authorization: Client-ID {YOUR_ACCESS_KEY}` for public API access. Alternatively pass as query param: `?client_id={YOUR_ACCESS_KEY}`'
OAuth2:
type: oauth2
flows:
authorizationCode:
authorizationUrl: https://unsplash.com/oauth/authorize
tokenUrl: https://unsplash.com/oauth/token
scopes:
public: Read public data (default)
read_user: Read user profile data
write_user: Write user profile data
read_photos: Read photo data
write_photos: Write photo data (update metadata)
write_likes: Like/unlike photos
write_collections: Create, update, delete collections
read_collections: Read collection data