List questionsRead a site's questions: all of them, or one of the three feeds the site publishes: Featured (a bounty is open), No answers (not a single answer yet), or Unanswered (answers, but none upvoted or accepted). Filter by tag and by date, order by activity, score, creation or the site's own hot/week/month rankings, and read back each question with its tags, score, view and answer counts, whether an answer is accepted, and its author.
Find recent questionsFind questions asked inside a window that moves with the clock (the last hour, day, week or month, counted from the moment the step runs), newest first. This is the one to put on a schedule: a fixed date range would return the same questions on every run and then go empty, while this always looks at what has just been asked. Narrow it by tag to watch a technology you support.
Get questionsRead up to 100 questions by their numeric ids, in one request. Turn on 'Include post body' to get the question text as well as its title, score, tags and author: that is how a workflow reads a question it found somewhere else and summarises or replies to it.
Get answers to questionsGet the answers posted on one or more questions. Sort by score to put the community's best first, or by creation to see what has just been added, which, run on a schedule against a question you are watching, is how you hear about a new answer. Each answer says whether it is the accepted one and who wrote it.
Get comments on questionsGet the comments left on one or more questions: the clarifying back-and-forth under the question itself, which is often where the real problem gets pinned down.
Get question timelineGet everything that has happened to a question, in order: it was asked, answered, commented on, edited, voted on, closed, protected, reopened. One call answers 'what changed here' without reading four separate lists.
Get linked or related questionsFind the questions connected to the ones you name. 'Linked' means another question's text links to this one, which is how duplicates and follow-ups are recorded; 'Related' is the site's own similarity ranking, the list shown in a question's sidebar. Either way this is how a workflow walks outwards from one question to the rest of the conversation around it.
Search questionsThe fullest search the API offers, and the one most workflows want. Search words across a question's title and body, or narrow to the title alone, the body alone, a tag, a linking URL or an author; require a minimum answer or view count; and switch on whether the question is answered, closed, migrated, wiki or carrying a notice. Returns whole questions, ranked by relevance, score, activity or age.
Search for excerptsThe same search as 'Search questions', answered the way a site's own search page answers it: a highlighted snippet per hit, and answers as well as questions. Each result says whether it is a question or an answer and carries both ids, so a workflow can go straight from a matching answer to the question it sits on. Use this when you want the matching text, not the whole post.
Search question titlesSearch titles and tags only: the API's deliberately narrow search. Its one distinctive trick is that its tag list is an OR: each result carries at least one of the tags given, where every other tag filter in this integration requires all of them. That makes it the way to watch several tags at once. For anything more, use 'Search questions'.
Find similar questionsGive a title as if you were about to ask it, and get back the questions a site would suggest as possible duplicates, the same check the ask page runs while you type. Use it to answer a support ticket with an existing thread, or to see whether something has already been asked before writing it up.
List answersRead the site's answers as one stream, newest activity first by default. Sorted by score with a date window this is 'the best answers written this month'; sorted by creation it is the site's live answer feed.
Get answersRead up to 100 answers by their numeric ids. With 'Include post body' on this is how a workflow pulls the text of an accepted answer it found through a search and puts it in front of someone.
Get comments on answersGet the comments left on one or more answers: the corrections and caveats under an answer, which frequently matter as much as the answer itself.
Get the questions answers belong toGiven answer ids, get the questions they were posted on. An excerpt search returns answers as often as questions, and an answer on its own has no title or tags: this is the step that gets them.
List commentsRead the site's comments as one stream. Sorted by score this is the site's most-upvoted commentary; with a date window it is what was said in a given period. This is the one action whose result carries no total (the API declines to count this stream), so use 'Has more' and the page number to walk it.
Get commentsRead up to 100 comments by their numeric ids, in one request. Turn on 'Include post body' to get the text as well as the score and the author: a comment id on a question's timeline carries neither until you read it here.
List postsRead questions and answers together as one stream, each saying which it is. Use this when a workflow does not care which kind it is looking at ('everything this site published today'), or to get the post id that comments, revisions and suggested edits are keyed on.
Get postsRead up to 100 posts by their numeric ids, whether they are questions or answers. Use this when you have an id from a comment, a revision or a suggested edit and do not yet know which kind of post it points at.
Get comments on postsGet the comments on posts of either kind, by post id. Use this when the id came from somewhere that does not say whether it is a question or an answer.
Get post revisionsGet a post's edit history, newest first: who changed it, when, what the title and tags were before, and the edit summary they left. This is how a workflow notices that an answer it relies on has been rewritten.
Get revisions by IDRead revisions by their GUIDs rather than by post: the ids that appear on a question's timeline and in a revision-history URL. Use it to read one specific edit rather than a post's whole history.
Get suggested edits on postsGet the edits people have proposed on given posts, whether approved, rejected or still waiting. An edit with neither an approval nor a rejection date is one still in the review queue.
List suggested editsRead the site's suggested-edit queue. Sorted by creation, newest first, the pending ones are the edits waiting on review: an edit with no approval date and no rejection date is still open. This is the action to schedule if you want to know when the queue is backing up.
Get suggested editsRead up to 100 suggested edits by their numeric ids, in one request, and see for each whether it was approved, rejected, or is still waiting on review.
Search usersFind someone by display name, or read the site's leaderboard when no name is given. Each result carries reputation, badge counts, location, the reputation they have earned over the last day, week, month, quarter and year, and both ids: the site user id the other user actions take, and the network account id.
Get usersRead up to 100 user profiles by their numeric ids on this site, in one request. Every post this integration returns carries its author's id, so this is how a workflow turns the person who wrote something into their reputation, badges, location and network account id.
List moderatorsList a site's moderators: all of them, or only the ones the community elected rather than appointed. Useful for knowing who to reach on a site you are automating against.
Get a user's questionsGet the questions one or more users have asked: all of them, or just the ones that are featured, have no answers at all, have answers but none accepted, or are unanswered by the site's own definition. 'Unaccepted' on your own account is the list of questions still waiting for you to mark an answer.
Get a user's answersGet the answers one or more users have written. Sorted by score this is their best work; sorted by creation it is what they have just posted.
Get a user's commentsGet the comments one or more users have left. Name a recipient as well and it narrows to the comments those users addressed to that person: one side of a conversation between two people.
Get a user's postsGet one or more users' questions and answers together, each saying which it is: everything they have written, in one list.
Get a user's badgesGet the badges one or more users have been awarded. Sorted by the date awarded with a date window, this is 'what did they earn this month'.
Get a user's bookmarksGet the questions one or more users have bookmarked (what the sites used to call favourites). Sorting by 'date bookmarked' gives them in the order they were saved, which is what makes this a reading list a workflow can act on.
Get a user's mentionsGet the comments that @-mention one or more users. Run on a schedule against your own id, this is a public stand-in for the inbox: it tells you when someone has addressed you in a comment.
Get a user's timelineGet everything one or more users have done, in order: questions asked, answers written, comments left, badges earned, edits suggested, answers accepted. With a date window this is 'what did they do last week' in a single call.
Get a user's reputation changesGet the reputation one or more users have earned post by post, each entry naming the post and the kind of vote behind it. With a date window this answers 'which of my answers earned reputation this week'. For every change including the ones no post caused, use 'Get a user's reputation history'.
Get a user's reputation historyGet every public reputation change for one or more users, including the ones no post caused: bounties started and won, the association bonus, suspensions. Each entry says what kind of change it was.
Get the tags a user is active inGet the tags one or more users have been active in, with each tag's site-wide question count. For how well they have done in each one, use 'Get a user's top tags'.
Get a user's top tagsGet the tags a user has done best in, with their score and post count on each. Choose whether to rank by their answers, their questions, or both together. This is the 'what is this person actually good at' lookup, the one to run before routing a question to someone.
Get a user's best posts in tagsGet one user's highest-scoring answers, or questions, within particular tags: 'show me their best Python answers'. This is the evidence behind a claim of expertise, and it is what turns a name into something you can actually read.
Get a user's privilegesGet what a user's reputation has unlocked on this site: commenting, voting, editing, closing, moderator tools. Use it to check whether someone can do a thing before asking them to.
Get a user's suggested editsGet the edits one or more users have proposed, and whether each was approved, rejected, or is still waiting for review.
Get a user's accounts across the networkGiven a network account id, get every site that person is on, with their reputation, badges and post counts on each. This is how you find someone's Server Fault id starting from their Stack Overflow profile. It takes the network account id ('account_id' on any user result), not a site user id.
Get a user's activity across the networkGet one person's posts, badges and comments from every site at once, newest first, each saying which site it came from. Takes the network account id ('account_id' on any user result). This is the one call that answers 'what has this person been up to lately', wherever they have been doing it.
Get a user's account mergesGet the account ids that were merged into a network account, with the date of each merge. An id that has stopped resolving has usually been merged rather than deleted, and this is what turns the old id into the current one: the fix for a stored id that suddenly returns nothing.
List badgesList a site's badges. They come in two kinds: the named ones every site defines (Nice Answer, Populist, Sheriff) and the tag ones minted per tag as people earn them, of which there are tens of thousands. Choose one kind or read both, and narrow by name.
Get badgesRead up to 100 badges by their numeric ids, in one request. Use it to put a name, a rank and an award count to the badge ids that come back on a user's badge list or a timeline entry.
Get badge recipientsGet badges as they were awarded, each with the person who earned it. Name badge ids to follow particular ones ('who has earned Great Answer'), or leave them empty and set a date window for everything the site awarded in a period, newest first.
List tagsList a site's tags with their question counts: all of them, or only the ones a moderator must apply, or only the ones a question is required to carry. Sorted by popularity this is the site's own tag page; narrow by name to find a tag you half remember.
Get tagsRead particular tags by name and get their question counts and flags: whether the tag has synonyms, is moderator-only, or is required. This is how a workflow checks that a tag exists and how busy it is before subscribing to it.
Get related tagsGet the tags that most often appear alongside the ones you name: the neighbourhood a technology sits in. Useful for widening a tag watch beyond the one term you started with.
Get tag synonymsGet the tags that are silently rewritten to another one: 'python3' becomes 'python-3.x' the moment it is applied. Name tags to see what maps onto them, or leave it empty for the site's whole synonym list. This is what explains a tag search coming back full of a different tag.
Get tag wikisGet what a tag is for, in the community's own words: the one-line excerpt the site shows on hover, and, with 'Include post body' on, the full wiki. This is the definition to quote when explaining why a question was tagged the way it was.
Get a tag's FAQGet the questions a tag's community treats as canonical: the ones everything else gets pointed at. This is the shortest route from a technology to the answers worth reading first, and the list to send someone who is new to it.
Get a tag's top usersGet the people who answer, or ask, best in one tag, with their score and post count on it, over the last month or over all time. This is the 'who should we ask about X' lookup, and the month window is the one that finds who is active now rather than who was in 2012.
List collectivesList a site's collectives, the vendor-run communities inside it, such as Google Cloud or Mobile Development, with the tags each one covers and the slug the other collective actions take.
Get collectivesRead particular collectives in full: their description, the tags they cover, and their official support and documentation links.
Get a collective's questionsGet the questions posted in a collective. If you run one, this is the feed to watch: everything asked about your product in the place your team is expected to answer it.
Get a collective's answersGet the answers posted in a collective, newest activity first: what a vendor's community is actually telling people.
Get a collective's tagsGet the tags a collective covers, with each one's question count: the shape of what a vendor's community is being asked about.
Get a collective's membersGet a collective's members: the recognised members and admins behind a vendor's community, with their reputation and badges.
List sitesList every site in the Stack Exchange network, around 365 of them including each site's meta, with the exact 'site' value every other action takes, plus its URL, audience, launch date and artwork. This is the action to start from when a workflow has to work out which site to ask.
Get site statisticsGet a site's totals and its current pace: how many questions, answers, comments, votes, badges and users it has, how many questions are unanswered, and how many questions, answers and badges it is producing per minute. One request, so it is the cheap check to put at the top of a report.
List privilegesList what each reputation threshold unlocks on a site, from posting at 1 to the moderator tools at 10,000. Sites differ, so this is how to answer 'how much reputation do I need to do X here' without guessing.