Migration guide to version 4.0

This section contains information about how API version 4.0 differs from versions 3.0, 3.1, and 3.2.

Added

The following resources were added:

URI	GET	POST
`/user/{user-id}/hosts/{host-id}/recrawl/queue/`	Getting a list of tasks for reindexing	Sending a page for reindexing
`/user/{user-id}/hosts/{host-id}/recrawl/quota/`	Checking the reindexing quota
`/user/{user-id}/hosts/{host-id}/recrawl/queue/{task-id}/`	Checking the reindexing task status
`/user/{user-id}/hosts/{host-id}/diagnostics/`	Site diagnostics

The /user/{user-id}/hosts/{host-id}/indexing-history/ resource has been replaced with the following resources:

URI	GET
`/user/{user-id}/hosts/{host-id}/indexing/history/`	Getting the site indexing history
`/user/{user-id}/hosts/{host-id}/indexing/samples/`	Viewing examples of downloaded pages
`/user/{user-id}/hosts/{host-id}/search-urls/in-search/history/`	Getting the history of changes in the number of pages in search
`/user/{user-id}/hosts/{host-id}/search-urls/in-search/samples/`	Viewing example pages in search
`/user/{user-id}/hosts/{host-id}/search-urls/events/history/`	Getting the history of pages added to and removed from search results
`/user/{user-id}/hosts/{host-id}/search-urls/events/samples/`	Viewing examples of pages that appeared in search or were removed from search

The following parameters were removed from the GET https://api.webmaster.yandex.net/v4/user/{user-id}/hosts/{host-id}/summary/ response:
- tic — The site's TIC.
- downloaded_pages_count — Number of pages loaded by the Yandex robot. To get the number of downloaded pages, use the GET /user/{user-id}/hosts/{host-id}/indexing/history/ method.

The /user/{user-id}/hosts/{host-id}/tic-history/ resource.