https://www.submitnow.dev/
submitnow - Bing IndexNow Submission Tool
Submit URLs to Bing via IndexNow. Your site must host the key file and the submitted URLs must match the same host.
indexnow submissionsubmitnowbingtool
https://showupinai.com/indexnow-submission
IndexNow Submission Service - Instant Bing Indexing | ShowUpInAI
indexnow submissionserviceinstantbingindexing