> Portal Navigation: > > - Append `.md` to any URL under `https://dev.wix.com/docs/` to get its markdown version. > - Pages are either content pages (article or reference text) or menu pages (a list of links to child pages). > - To get a menu page, truncate any URL to a parent path and append `.md` (e.g. `https://dev.wix.com/docs/sdk.md`, `https://dev.wix.com/docs/sdk/core-modules.md`). > - Top-level index of all portals: https://dev.wix.com/docs/llms.txt > - Full concatenated docs: https://dev.wix.com/docs/llms-full.txt ## Resource: Introduction ## Article: Introduction ## Article Link: https://dev.wix.com/docs/api-reference/crm/members-contacts/contacts/contacts/bulk-job/introduction.md ## Article Content: # About Bulk Jobs The Contacts API allows you to perform these actions in bulk: - [Bulk Label and Unlabel Contacts][bulk-label-unlabel] - [Bulk Update Contacts][bulk-update] - [Bulk Delete Contacts][bulk-delete] When your app calls one of the bulk endpoints listed above, a new bulk job is started, and the `jobId` is returned. You can use the Bulk Jobs API to get the status of any active or completed bulk job. [bulk-label-unlabel]: https://dev.wix.com/api/rest/contacts/contacts/contacts-v4/bulk-label-and-unlabel-contacts [bulk-update]: https://dev.wix.com/api/rest/contacts/contacts/contacts-v4/bulk-update-contacts [bulk-delete]: https://dev.wix.com/api/rest/contacts/contacts/contacts-v4/bulk-delete-contacts @sdk_package_setup