More specifically, CL-S3
- uses the Amazon S3 REST interface, part of the Amazon Web Services suite or protocols
- does proper authorization
- implements all S3 API calls with all options
- parses the XML returned by some of the API
- converts S3 error responses to proper Common Lisp condition objects
- allows custom meta header (including canned access policies) and query parameters
- does proper keep-alive processing (courtesy s-http-client)
- is portable over Common Lisp implementations (courtesy s-sysdeps)
- can optionally validate get and put object calls using MD5 hashing
- contains 2 example higher level functions converting XML to simpler data
- is properly packaged and has a documented public API
- should be installed using ASDF
See also ZS3.
LLGPL, web API