Google Index Checker API by SpeedyIndex is a bulk URL verification tool that allows users to check whether large numbers of web pages are indexed by Google, Bing, and Yandex. The service is designed for SEO professionals who need to audit backlink indexation, evaluate site migrations, or investigate why Google Search Console reports pages as crawled but not indexed. At its core, the tool determines whether a specific URL has been added to a search engine's database and is eligible to appear in search results. The API processes up to 100,000 URLs in a single batch and returns a definitive indexed or not indexed status for each URL. The tool offers several methods for submitting URLs. Users can upload a standard text file with one URL per line, supporting up to 100,000 URLs per file, or paste up to 20 links directly for quick checks. Submissions can be made through a web application or a Telegram bot. The system then generates a detailed report that categorizes each URL by its index status. For indexed pages, the report also includes the live page title pulled directly from search results, providing verifiable evidence of visibility. The verification method uses multiple queries, including site:URL and exact match searches, to achieve over 99 percent accuracy. For enterprise and agency use, the service provides a high-throughput REST API (version 2) that processes approximately 1,000 links per minute. The API includes software development kits for Python, PHP, and Node.js, and is backed by a 99.9 percent uptime guarantee. No API keys are required for basic usage, and the system is built to handle bulk URL validation with minimal reporting delay. Additional related tools available from the same provider include a Google indexing service, drip-feed indexing, backlink checker, Chrome extension, redirect checker, noindex checker, and error checkers for 404 and 5xx status codes. Typical use cases include SEO audits where professionals need to verify indexation across multiple domains, backlink campaigns that require confirmation of link equity passing, and technical SEO investigations into why pages are not appearing in search results. The tool addresses limitations of Google Search Console, which has a data lag of three to four days and is restricted to the user's own domains, by providing real-time index status for any publicly accessible URL.