> ## Documentation Index > Fetch the complete documentation index at: https://aisa.one/docs/llms.txt > Use this file to discover all available pages before exploring further. # Bulk New & Lost Backlinks > This endpoint will provide you with the number of new and lost backlinks for the domains, subdomains, and pages specified in the `targets` array. ## OpenAPI ````yaml openapi/dataforseo.json POST /dataforseo/backlinks/bulk_new_lost_backlinks/live openapi: 3.0.3 info: title: DataForSEO API version: 1.0.0 description: DataForSEO API endpoints exposed through the AIsa unified gateway. servers: - url: https://api.aisa.one/apis/v1 security: - BearerAuth: [] paths: /dataforseo/backlinks/bulk_new_lost_backlinks/live: post: summary: Bulk New & Lost Backlinks description: >- This endpoint will provide you with the number of new and lost backlinks for the domains, subdomains, and pages specified in the `targets` array. operationId: post_dataforseo_backlinks_bulk_new_lost_backlinks_live requestBody: required: true content: application/json: schema: type: object properties: targets: type: array items: type: string description: >- domains, subdomains or webpages to get new & lost backlinks for required field you can set up to 1000 domains, subdomains or webpages the domain or subdomain should be specified without https:// and www. the page should be specified with absolute URL (including http:// or https://) example: "targets": [ "forbes.com", "cnn.com", "bbc.com", "yelp.com", "https://www.apple.com/iphone/", "https://ahrefs.com/blog/", "ibm.com", "https://variety.com/", "https://stackoverflow.com/", "www.trustpilot.com" ] date_from: type: string description: >- starting date of the time range optional field this field indicates the date which will be used as a threshold for new and lost backlinks; the backlinks that appeared in our index after the specified date will be considered as new; the backlinks that weren’t found after the specified date, but were present before, will be considered as lost; default value: today’s date -(minus) one month; e.g. if today is 2021-10-13, default date_from will be 2021-09-13. minimum value equals today’s date -(minus) one year; e.g. if today is 2021-10-13, minimum date_from will be 2020-10-13. date format: "yyyy-mm-dd" example: "2021-01-01" tag: type: string description: >- user-defined task identifier optional field the character limit is 255 you can use this parameter to identify the task and match it with the result you will find the specified tag value in the data object of the response required: - targets responses: '200': description: Successful response content: application/json: schema: type: object properties: version: type: string description: the current version of the API status_code: type: integer description: >- general status code you can find the full list of the response codes here Note: we strongly recommend designing a necessary system for handling related exceptional or error conditions status_message: type: string description: >- general informational message you can find the full list of general informational messages here time: type: string description: execution time, seconds cost: type: number description: total tasks cost, USD tasks_count: type: integer description: the number of tasks in the tasks array tasks_error: type: integer description: >- the number of tasks in the tasks array returned with an error tasks: type: array items: type: string description: array of tasks tasks.id: type: string description: >- task identifier unique task identifier in our system in the UUID format tasks.status_code: type: integer description: >- status code of the task generated by DataForSEO; can be within the following range: 10000-60000 you can find the full list of the response codes here tasks.status_message: type: string description: >- informational message of the task you can find the full list of general informational messages here tasks.time: type: string description: execution time, seconds tasks.cost: type: number description: cost of the task, USD tasks.result_count: type: integer description: number of elements in the result array tasks.path: type: array items: type: string description: URL path tasks.data: type: object description: >- contains the same parameters that you specified in the POST request tasks.result: type: array items: type: string description: array of results tasks.result.items_count: type: integer description: the number of results returned in the items array tasks.result.items: type: array items: type: string description: contains relevant backlinks and referring domains data tasks.result.items.target: type: string description: domain, subdomain or webpage from a POST array tasks.result.items.new_backlinks: type: integer description: >- number of new backlinks number of new backlinks pointing to the target tasks.result.items.lost_backlinks: type: integer description: >- number of lost backlinks number of lost backlinks of the target '400': description: Bad request '401': description: Unauthorized '429': description: Rate limit exceeded '500': description: Internal server error components: securitySchemes: BearerAuth: type: http scheme: bearer ````