https://chromium.googlesource.com/chromium/src/+log/oldhash..newhash?pretty=full

"pretty" can be left off. Options are "full" and "fuller".

• Example changelog without pretty option
• Example changelog with pretty=full
• Example changelog with pretty=fuller

JSON format queries:

• add format=JSON to any query (note the ALL CAPS). E.g.: https://chromium.googlesource.com/chromium/src/+log/master?pretty=full&format=JSON
• The "next" key inside JSON provides a cursor for the next page. Use it with s=<next_cursor>, e.g. https://chromium.googlesource.com/chromium/src/+log/master?pretty=full&s=baa385c24c57df62f64a5f1fecee739dc2dcc3ba
• The last page will have no "next" key. Also any page except for the first will have a "previous" cursor to page backwards.
• Page size: e.g. n=1000: https://chromium.googlesource.com/chromium/src/+log/master?pretty=full&format=JSON&n=1000

Note, that JSON format has a ")]}'" line at the top, to prevent cross-site scripting. When parsing, assert that the first line has ")]}'", strip it, and parse the rest of JSON normally.