The API is accessible via clientSpider API prefix.
status (scanId*): Gets the status of the spider scan. Returns an integer between 0 and 100 indicating current progress.scan (browser url contextName userName subtreeOnly maxCrawlDepth pageLoadTime numberOfBrowsers scopeCheck): Runs the Client Spider against the given URL and/or context. Returns the scanId.stop (scanId*): Stops a Client Spider scan.browser: The browser to use for the scan, e.g. 'firefox-headless'. If not specified, uses Firefox Headless.url: The URL to start the scan at. If not specified and a context is set, the first URL in the context will be used.contextName: The name of the context to scan.userName: The name of the user to run the scan as. The user must exist in the specified context.subtreeOnly: If set to 'true', the spider will only scan URLs under the specified URL. Default: 'false'.maxCrawlDepth: The maximum depth the spider should crawl, where 0 is unlimited. Defaults to client options.pageLoadTime: The time in seconds to wait for a page to load. Defaults to client options.numberOfBrowsers: Number of Browser Windows to Open (concurrency). Integer, defaults to client options.scopeCheck: Scope Check mode, either FLEXIBLE (default) or STRICT.scanId: The ID of the scan to query or manage.
https://zap/JSON/clientSpider/action/scan/?url=https://example.com&maxCrawlDepth=5&pageLoadTime=30&numberOfBrowsers=1&scopeCheck=STRICT
https://zap/JSON/clientSpider/view/status/?scanId=1
https://zap/JSON/clientSpider/action/stop/?scanId=1