Getting Started with the APIs (Reference)

I think given the influx of members and new questions regarding the APIs, some of the How-to topics and such have gotten lost amongst the sea of topics. If you could sticky this @dazarobbo, this should help those seeking answers that may have already been answered. If anyone knows of any topics I have not listed which should be up here, please comment with a link and I will add it to this topic. First off check out the [url=https://www.bungie.net/en/Clan/Post/39966/85087279/0/0]Official topic[/url] posted by @Tetron, this should cover the majority of public access APIs. If you plan on using the APIs in any kind of app, you should [url=https://www.bungie.net/en/User/API]register for an API[/url] Key and also read the [url=http://www.bungie.net/en/View/Bungie/terms]terms of use[/url]. [url=https://www.bungie.net/en/Clan/Post/39966/70761972/0/0]Introduction and News[/url] by Tetron [url=https://www.bungie.net/en/Clan/Post/39966/105901734/0/0]How to Read the Manifest (PHP)[/url] by lowlines [url=https://www.bungie.net/en/Clan/Post/39966/106241072/0/0]List of APIs and Globals[/url] by lowlines [url=https://www.bungie.net/en/Clan/Post/39966/68778685/0/0]Open Source C# BungieNetPlatform Library[/url] by dazarobbo [url=https://www.bungie.net/en/Clan/Post/39966/67395215/0/0]List of APIs (last updated 05-08-2014)[/url] by Sargo Darya Authentication: [url=https://www.bungie.net/en/Clan/Post/39966/107282722/0/0]Authentication with PSN, Xbox & Facebook (PHP)[/url] by lowlines [url=https://www.bungie.net/en/Clan/Post/39966/112644874/0/0]Authentication with PSN (Python)[/url] by Quantum Ascend [url=https://www.bungie.net/en/Clan/Post/39966/106896643/0/0]Authentication with PSN (Bash Script)[/url] by abl Specific API Topics: [url=https://www.bungie.net/en/Clan/Post/39966/121776539/0/0]POST /Platform/Destiny/SetLockState/[/url] by lowlines [url=https://www.bungie.net/en/Clan/Post/39966/104821861/0/0]POST /Platform/Destiny/TransferItem/[/url] by lowlines Data Structures: [url=https://www.bungie.net/en/Clan/Post/39966/119351453/0/0]InventoryItem Structure[/url] by lowlines Other: [url=https://www.bungie.net/en/Clan/Post/39966/119591412/0/0]Calculating Weapon and Armor XP Progress[/url] by Floppy Catfish Apps: [url=https://www.bungie.net/en/Clan/Post/39966/106571580/0/0]Destiny Item Manager (Browser Extension)[/url] by v DontCare v