500px Legacy API (v1)
500px v1 REST API providing programmatic access to photo feature streams, photo information and comments, user profiles, galleries, and uploads. Responses are JSON; authentication uses OAuth 1.0a for user-scoped requests and a Consumer Key for public read-only requests. This public API program was discontinued on 2018-06-15 and is retained here as historical documentation.
Documentation
Documentation
https://github.com/500px/legacy-api-documentation
APIReference
https://github.com/500px/legacy-api-documentation/tree/master/endpoints
Authentication
https://raw.githubusercontent.com/api-evangelist/500px/refs/heads/main/authentication/500px-authentication.yml