Submitted but not indexed: what an accepted IndexNow submission means
An accepted IndexNow submission means the engine received the announcement. Whether it then crawls, indexes or ranks the page is a separate decision it makes on its own criteria, so a page missing from results after an accepted submission is not a fault in the submission chain. This page sorts out what you can check.
Was the IndexNow submission accepted?
Start here, because everything below assumes it. Every submission is recorded in the submission log: the address, the engine it went to, the mode, the time, and whether the endpoint accepted it. An endpoint answers 200 or 202 when it has received the submission; a 4xx code means it was rejected, and a rejection has a cause on your side. How to read that record is set out under checking that a submission was sent.
If the log shows a rejection, this page is not your problem yet: the causes are sorted by symptom under troubleshooting, and a key file the engine could not read has a page of its own. If the log shows nothing at all for the address, the edit may not have produced a detectable change, and nothing was sent.
What an accepted submission does not promise
Acceptance means the message was well formed and the key checked out. It is a statement about the submission, not about the page. The engine has not agreed to crawl the address, has not agreed to index it, and has not agreed to rank it. Each of those is a separate decision, and none of them is reported back to you. The same boundary is set out under what an accepted submission means.
What submission changes is when an engine could learn that something changed. A correctly announced page that never appears in results is an ordinary outcome, not a fault in the submission chain, and adjusting the submission will not change it.
Is the engine one that takes part in IndexNow?
If the results you are checking are Google's, no IndexNow submission reached them. Google does not participate in IndexNow and receives nothing from it, at any setting. The engines that take part, and which of them receive submissions by default, are listed on the engines overview.
Why searching for the page is the wrong check
Searching an engine for the page folds three decisions into one answer: whether the submission was delivered, whether the engine chose to fetch the address, and whether it chose to show it for that query. Only the first involves your submission. An absence in results identifies none of them, which is why the Bing page treats the search as the check that misleads people.
The check with a definite answer is narrower: was the submission accepted, and is the key file still reachable from outside your network.
What is still in your hands
The page itself is the part that remains yours. Discovery follows from being reachable and being linked: a page that is served reliably, is not excluded by your own configuration, and is referenced from somewhere already known is in the best position anybody can put it in. The protocol’s own FAQ names the states that keep an address out whatever is announced about it: a 404 response, a block in robots.txt, a noindex tag; and it names low-quality, thin and duplicate content among the reasons a submitted address can stay out. A sitemap that lists the page helps for the same reason; how a sitemap and a submission divide the work is set out in IndexNow vs sitemap.
Where an engine provides its own console for asking about a specific address, that console is the place to ask. For Bing it is Bing Webmaster Tools. For Google, which takes no part in IndexNow, it is Google Search Console, whose URL Inspection tool asks for a crawl of a single address; Google's own documentation adds that a crawl request does not guarantee inclusion.
Crawled but not shown, or not crawled at all
These are two different situations, and they point in different directions. Where the page has not been revisited, the reasons live entirely on the engine's side and are not addressable from yours: how quickly a participant acts on an announcement, and whether it fetches the address at all, are its own decisions on its own schedule.
Where the page has been revisited and simply is not appearing, the question is about the page rather than about its announcement. Submission does not make a page more likely to be kept, does not affect how it is treated once it is fetched, and does not compensate for a page that is not worth keeping. No announcement influences those decisions, on any engine.
What the submission log can and cannot tell you
The log is a record of what left your side: the address, the engine it went to, the mode that decided that, the time, and whether the endpoint accepted it. A refusal is written down the same way as an acceptance, and where a mode retries on the next engine both lines stay, so the record shows the retry rather than hiding it.
Reading a log is not the same as being indexed, and the log does not pretend otherwise. It answers the question that comes first and usually goes unanswered: did the submission actually happen, and where did it go. Everything after that is the engine's, and no record on this side can report it.
Why sending it again does not help
Sending the same address again after nothing happens carries no new information. The message has no priority and no count, so a second submission says what the first one said, while spending the allowance a real change would have used. The reasoning is set out under why resubmitting achieves nothing.
FAQ
I submitted the page and it is still not indexed. Is something broken?
Not in the submission chain, if the submission was accepted: the announcement arrived; crawling, indexing and ranking are separate decisions the engine makes on its own criteria. Check the submission log for the answer the endpoint gave, and look at the page itself rather than at the submission.
How long after submitting should a page appear?
No figure can be given. How quickly an engine acts on an announcement is its own scheduling decision, made across everything else it is doing, and a page may be crawled without being shown. A provider quoting a time for indexing is describing a schedule it does not control, so treat any such figure as a claim rather than a fact.
Will submitting again make the page appear sooner?
No. The message carries no priority and no count, so a repeated submission says exactly what the first one said, while spending allowance a real change would have used. If a page is not being revisited, the reasons are on the engine's side; if it is revisited and not appearing, the question concerns the page itself.
My page is missing from Google. Does IndexNow help?
No. Google does not participate in IndexNow, so no submission reaches it through any route, provider or configuration. Google's own route is Google Search Console, whose URL Inspection tool asks for a crawl of a single address, and a sitemap for many; Google's documentation adds that a crawl request does not guarantee inclusion.