Single purpose API
RSS, GData (Atom and RSS in REST style)
API Mashups (38)
Magic Mosaic provides a fast, user-friendly way to create photo mosaics built from photos in online web albums and photo galleries.
55Photos is a website where users can explore, view, edit, manage, organize, transfer, download, and backup online photos, pictures, and images. 55Photos consumes image-related APIs to aggregate and...
iFiles is the most intuitive file manager for iOS with features like connectivity to many file cloud services, transferring files between computer or cloud services, ability to view many file formats...
In the event that you don't want to work directly with the Picasa RESTful API, then maybe having a Python Library at your disposal will make it easier!
Domain Connect SmugMug
||The Domain Connect SmugMug API provides a protocol to connect service providers such as SmugMug with domain name services. The API allows developers to configure SmugMug features with domain names...||Domains||11.23.2016|
||The Car Imagery API allows developers to search for stock photographs of cars by make, model, and (optionally) year and trim. The API is available in both free and paid versions, although the free...||Photos||11.07.2016|
TomTom Camera Media Server
||The TomTom Camera Media Server API is a RESTful platform for accessing the media server functionalities of the TomTom Bandit Action Cam. The API is equipped with innovative camera features, such as...||Cameras||11.01.2016|
||SandCage offers a dedicated infrastructure as a service integration focused on website optimization, and file handling. Developers can integrate with SandCage to solve scalability, redundancy, and...||Images||10.23.2016|
||The W3C Micropub API is an open standard for creating, updating, and deleting posts on the user's domain via third-party clients. This API can be used by both web and mobile applications to post...||Publishing||10.18.2016|