> ## 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. # Uncrawlable Resources > This endpoint returns a list of resources detected on the target website that could not be crawled due to a content type inconsistency. ## OpenAPI ````yaml openapi/dataforseo.json POST /dataforseo/on_page/uncrawlable_resources 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/on_page/uncrawlable_resources: post: summary: Uncrawlable Resources description: >- This endpoint returns a list of resources detected on the target website that could not be crawled due to a content type inconsistency. A resource is considered uncrawlable when the content type returned in the server response does not match the content type expected based on how the resource is referenced in the page HTML. operationId: post_dataforseo_on_page_uncrawlable_resources requestBody: required: true content: application/json: schema: type: object properties: id: type: string description: >- ID of the task required field you can get this ID in the response of the Task POST endpoint example: "07131248-1535-0216-1000-17384017ad04" limit: type: integer description: >- the maximum number of returned uncrawlable resources optional field default value: 100 maximum value: 1000 offset: type: integer description: >- offset in the results array of returned uncrawlable resources optional field default value: 0 if you specify the 10 value, the first ten invalid resources in the results array will be omitted and the data will be provided for the successive invalid resources order_by: type: array items: type: string description: >- results sorting rules optional field you can use the same values as in the filters array to sort the results possible sorting types: asc - results will be sorted in the ascending order desc - results will be sorted in the descending order you should use a comma to set up a sorting type example: ["meta.content_type,desc"] note that you can set no more than three sorting rules in a single request you should use a comma to separate several sorting rules example: ["meta.content_type,asc","fetch_time,desc"] filters: type: array items: type: string description: >- array of results filtering parameters optional field you can add several filters at once (8 filters maximum) you should set a logical operator and, or between the conditions the following operators are supported: regex, not_regex, , , >, >=, =, , in, not_in, like, not_like you can use the % operator with like and not_like to match any string of zero or more characters example: [["meta.content_type","=","image/jpeg"], "and", ["url","not_like","%/help-center/%"]]The full list of possible filters is available by this link. required: - id 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.crawl_progress: type: string description: >- status of the crawling session possible values: in_progress, finished tasks.result.crawl_status: type: object description: details of the crawling session tasks.result.crawl_status.max_crawl_pages: type: integer description: >- maximum number of pages to crawl indicates the max_crawl_pages limit you specified when setting a task tasks.result.crawl_status.pages_in_queue: type: integer description: number of pages that are currently in the crawling queue tasks.result.crawl_status.pages_crawled: type: integer description: number of crawled pages tasks.result.total_items_count: type: integer description: >- total number of uncrawlable resources found total number of uncrawlable resources found during the crawl of the target domain tasks.result.items_count: type: integer description: number of uncrawlable resources in the items array tasks.result.items: type: array items: type: string description: array of uncrawlable resources tasks.result.items.url: type: string description: URL of the uncrawlable resource tasks.result.items.reason: type: string description: >- reason the resource is uncrawlable can take the following values: content_type_inconsistency tasks.result.items.status_code: type: integer description: >- HTTP response code returned by the uncrawlable resource possible values: 200 tasks.result.items.fetch_time: type: string description: >- date and time when the resource was fetched in the UTC format: “yyyy-mm-dd hh-mm-ss +00:00” example: 2026-03-09 18:20:32 +00:00 tasks.result.items.meta: type: object description: metadata of the uncrawlable resource tasks.result.items.meta.content_type: type: string description: actual content type of the resource tasks.result.items.meta.expected_content_types: type: array items: type: string description: >- expected content types for the resource list of content types that were expected by the crawler based on how the resource is referenced on the page '400': description: Bad request '401': description: Unauthorized '429': description: Rate limit exceeded '500': description: Internal server error components: securitySchemes: BearerAuth: type: http scheme: bearer ````