IndexNow API: What it is and how to use it?
Boost your site's Bing indexing speed with IndexNow API. Learn how it works, easy setup tips, and best practices to improve your search visibility.
Ever updated a crucial page only to wait days or even weeks for search engines to reflect the change? Delays in indexing can stall your SEO gains, waste valuable traffic opportunities, and leave your content lagging far behind competitors. For many website owners and digital marketers, keeping up with fast-moving updates and ensuring they're quickly discovered by Bing has been a persistent headache.
IndexNow API offers a smarter solution, allowing website owners to instantly notify search engines about content changes. By exploring its benefits, technical setup, eligibility requirements, and practical best practices, you’ll see exactly how to accelerate your site’s visibility. While implementing IndexNow is a straightforward process, it does require matching your site’s capabilities and following a few technical steps.
In a digital age where instant visibility can make or break your business, the IndexNow API isn’t just a new SEO tool—it’s a wake-up call for brands still waiting to be found instead of ensuring they’re seen.
Reference: IndexNow.org: Home
Understanding the IndexNow API and Its Role in SEO
What is the IndexNow API?
Search engines constantly seek efficient ways to discover and index web content. The IndexNow API was designed as a streamlined protocol allowing websites to notify search engines directly about content updates—such as new pages, deletions, or changes.
Instead of waiting for search engines like Bing or Yandex to discover site changes through periodic crawling, the IndexNow API lets site owners submit URLs for immediate indexing. For example, a news site like CNN.com can alert search engines about a breaking story the moment it’s published, drastically reducing the lag between content creation and visibility in search results.
IndexNow enables instant notifications, helping search engines quickly process which specific URLs have changed, thereby improving the freshness of indexed data and search accuracy.
How does IndexNow differ from traditional search engine indexing?
Traditional search engines rely on crawlers that regularly scan the web, often missing urgent updates or creating redundant server requests. This can lead to slower indexing and unnecessary load on websites.
In contrast, IndexNow introduces a proactive model. When an online retailer like Best Buy updates a sale page, the new URL is pushed instantly to participating search engines via the IndexNow API. This reduces crawl latency and cuts down on repeated fetches for unchanged pages, optimizing bandwidth and server costs.
With IndexNow, site admins gain more clarity and influence over which URLs are prioritized for indexing, rather than hoping crawlers eventually revisit updated content.
Key benefits for website owners and SEOs
Faster indexing is a top priority for digital marketers. With IndexNow, sites like eBay reported seeing inventory listings appear in Bing’s search results within minutes—far quicker than traditional methods.
Another advantage is efficiency. For instance, tech blog TechCrunch leveraged IndexNow to reduce unnecessary crawl requests after minor updates, leading to lower server resource consumption and improved site speed.
Ultimately, sites using IndexNow often observe accelerated SEO benefits, as fresh content receives visibility faster, enhancing competitiveness in search rankings and reducing reliance on slow, legacy crawling systems.
Why Bing supports IndexNow (and who else does)
Bing was the first major search engine to launch with IndexNow integration. Microsoft advocated for this protocol to support publishers frustrated by slow organic crawl speeds and to boost content discovery efficiency for both large and small sites.
Yandex joined Bing in officially supporting IndexNow in late 2021. Although Google began testing the protocol in limited scenarios in 2022, it has not fully committed to broader adoption yet.
The IndexNow ecosystem continues to grow, especially with platforms like Cloudflare and WordPress offering plugins for automated integration, which signals expanding industry momentum and the possibility of universal adoption in the near future.
Why IndexNow Matters for Bing Indexing and Website Visibility
The challenges of “bing crawl my site” with traditional methods
Website owners often struggle to get their latest updates reflected quickly in Bing search results when relying on traditional crawling. Bing's classic approach involves periodic crawling of websites, which can be slow and erratic in terms of timing. This outdated process impedes publishers and e-commerce sites aiming for fast updates in search visibility.
Suppose a news portal like Reuters rapidly publishes breaking stories. Under standard crawling, Bing's bots might not visit the site in time to index the news when it’s most relevant, causing missed traffic and lost ranking opportunities. Additionally, site owners have very little influence over how often their site is crawled or which updated pages Bing prioritizes. This lack of control can lead to important product pages, such as Nike’s sneaker launches, being overlooked for hours or even days.
Speed, efficiency, and crawl budget improvements
IndexNow addresses these inefficiencies by letting sites instantly notify Bing whenever content is added or changed, minimizing delay in having new pages indexed. This means a retailer updating thousands of products can see those changes appear in Bing much faster.
Massive platforms, such as WordPress-based e-commerce sites, benefit from this protocol because it makes far better use of both Bing’s and their own crawl budgets. Less redundant crawling means lower server loads and fewer resources wasted on unchanged pages. Bing Webmaster Tools highlights how IndexNow reduces unnecessary bot traffic, freeing up bandwidth for both the search engine and the website owner.
How IndexNow fits into modern SEO strategies
IndexNow aligns with best practices in technical SEO by facilitating near real-time communication between your site and search engines. It allows businesses like HubSpot, which constantly publish educational articles and tools, to have updates reflected in Bing with minimal lag.
This protocol complements—but does not replace—sitemaps and other indexing solutions. For example, while a sitemap provides a roadmap for Bing to discover all site content, IndexNow quickly signals precisely which URLs need immediate attention, giving brands agility and precision in SEO strategy.
Impact on “bing index website” performance and ranking
Early inclusion of new or refreshed pages in Bing search results can make all the difference in fields like e-commerce or news. A 2024 case study by Wix noted that newly published blog posts were indexed by Bing in under an hour with IndexNow, compared to up to 24 hours without it.
Having fresher content in the index gives publishers a legitimate edge in ranking for trending or time-sensitive keywords. For online stores, this can mean outranking competitors for seasonal products or deals. Though there’s no official confirmation that use of IndexNow directly boosts rankings, faster indexing alone enhances a site's visibility, increasing the chance of outperforming slower-reacting competitors.
How the IndexNow API Works: The Technology Explained

How the IndexNow API Works: The Technology Explained
The IndexNow protocol: basics and workflow
The IndexNow protocol is designed to streamline website indexing by providing a standardized way for websites to notify search engines of content changes. Instead of waiting for web crawlers to eventually discover updates, site owners can push relevant URLs directly to search engines almost instantly.
Key steps involve creating an API key unique to the website. This key must be placed in a publicly accessible location—often the root directory—which verifies ownership for participating search engines. When a URL needs indexing, a JSON POST request is sent to Bing’s IndexNow endpoint. This request includes the API key and one or more URLs.
The protocol itself is lightweight. For example, Shopify merchants can use automated scripts to POST updated product URLs every time inventory changes, helping their new pages get discovered much faster than traditional sitemaps would allow. Major web platforms like Cloudflare have already integrated this workflow for thousands of websites.
Supported content types and website changes
IndexNow is effective for a range of content updates. It’s used when new pages are published, existing pages are updated, or URLs are deleted, ensuring that search engines don’t show outdated information in results.
This protocol handles more than just standard HTML. IndexNow can signal updates for images, PDF documents, and even multimedia content. For example, news sites like Reuters can instantly alert search engines about new articles or photo galleries, maximizing their visibility and relevance during breaking news.
During major site changes—such as product launches by e-commerce retailers like Best Buy or bulk migrations involving thousands of pages—IndexNow enables more accurate and timely crawling, reducing lag between production and online search visibility.
How Bing and other engines respond to IndexNow pings
When search engines like Bing receive a valid IndexNow notification, they immediately acknowledge the URL submission, confirming receipt via a standard HTTP response. This confirmation helps site operators know the ping was successful.
Over time, search engines crawl and index these submitted URLs at a significantly faster rate. Microsoft reported that, on average, IndexNow leads to page updates appearing in Bing’s search results within hours instead of days. If a URL is submitted to Bing, it’s often shared with other participating engines like Yandex, expanding the benefits through syndication.
Privacy and security considerations
Security is a key design feature of IndexNow. The API key must match the key published on the submitting website to authorize genuine requests. This prevents unauthorized, malicious actors from pushing false URLs or spam.
To further reduce the risk of abuse, search engines enforce limits on requests per website and monitor for patterns that indicate potential abuse. For instance, repeated spam submissions can result in an API key being suspended or blacklisted.
Unlike traditional crawling, IndexNow provides website owners with clarity and control over which URLs are submitted, reducing the exposure of sensitive or irrelevant content. If no known breaches have surfaced, but industry discussions emphasize the importance of implementing HTTPS to further bolster data privacy during transmission.
Reference: What is IndexNow for SEO (Explained in Plain English)?
Prerequisites: Getting Your Site Ready for IndexNow
Technical requirements for implementation
Implementing IndexNow requires your website to meet a few baseline technical conditions. At the core, your site needs to be able to create and host a text file that contains your IndexNow API key. This file acts as proof of ownership and allows search engines to verify your submissions.
Another critical requirement is that your server—or the CMS you use—must support sending POST requests. IndexNow submissions rely on these HTTP requests to notify participating search engines about content changes. For users on WordPress, plugins like Rank Math provide a streamlined way to handle this, while Shopify users might need to integrate via a supported app or custom logic.
Compatibility checks should also include making sure your hosting environment or platform supports integration options. Leading platforms such as Cloudflare or content management systems like WordPress and Drupal can integrate IndexNow efficiently, but some proprietary or legacy systems may require additional development.
Validating site ownership and eligibility
Before your website can communicate effectively with IndexNow, you must validate ownership. This typically involves placing the API key file in the root directory of your domain (e.g., https://yourdomain.com/indexnow-key.txt). The purpose is to ensure only verified owners are able to submit updates for their sites.
Proper permissions are equally important. The key file must be publicly accessible yet secure from unauthorized edits. Confirming eligibility also means checking your website isn’t blocked by robots.txt and follows the content policies outlined by participating search engines—more details can be found at IndexNow.com.
Site structure best practices for API efficiency
Optimizing your site’s structure makes your IndexNow implementation more effective. Clear, consistent internal linking helps the system and search engines track changes and updates efficiently.
Building a logical URL hierarchy is another key advantage. For example, organizing product pages under /products/ and blog posts under /blog/ helps when you want to target specific sections for submission. Avoiding duplicate or thin content submissions keeps your API usage efficient—retailers like Overstock.com have credited targeted submissions for improved crawl rates and faster indexing.
Common mistakes to avoid before setup
Several frequent missteps can stall IndexNow integration. Placing the API key anywhere other than the exact root path, or setting the wrong file permissions, will prevent verification and lead to errors.
Submissions should always be valid, verifiable URLs. For instance, submitting links to staging domains or deleted product pages wastes crawl budget and can hinder visibility. Omitting significant website sections—such as failing to include location pages for a retailer like Best Buy—limits the effectiveness of your IndexNow adoption and can result in slower content updates being recognized.
Reference: How to add IndexNow to your website
Step-by-Step Guide: How to Implement IndexNow API on Your Website

Step-by-Step Guide: How to Implement IndexNow API on Your Website
Generating and Hosting Your IndexNow API Key
To get started with IndexNow, your website needs a unique API key. This key authenticates your site when notifying search engines of new or updated content. Microsoft offers a free IndexNow key generator, which is widely used among site owners for quick and secure key creation. You can also generate a 32-character key manually, but online tools reduce risk of incorrect formatting.
After generating your key, save it as a simple .txt file named after the key value. It’s crucial to upload this file to your domain’s root directory—just as major ecommerce services like Shopify or WordPress have their verification files at yourwebsite.com/key.txt. Confirm accessibility by visiting the file’s direct URL. If the file isn’t reachable, search engines won’t validate your API requests.
Updating Your CMS or Server to Send IndexNow Requests
Many content management systems now offer plugins or modules to automate IndexNow submissions. For example, Yoast SEO introduced IndexNow for WordPress users in version 19.2, letting site owners toggle instant submission via their dashboard instead of custom coding.
If your platform lacks official support, you can implement a server-side script in PHP, Python, or Node.js to send POST requests to the IndexNow endpoint whenever a page changes. Media sites like Reuters have demonstrated effective automation by integrating these scripts into their editorial publication workflow, ensuring new articles are discovered rapidly by Bing and other engines.
Verifying Successful API Integration with Bing
After setup, it’s important to confirm that Bing recognizes your site’s IndexNow pings. Log in to Bing Webmaster Tools, as major publishers such as TechCrunch do, and check for recent API acknowledgments or crawl activity linked to your domain. This helps ensure your submissions are received and processed.
Monitor API response codes—200 means successful submission, while 400 or 403 usually signal issues. Reviewing server logs for POST request traffic to IndexNow endpoints can catch configuration errors early, a step often overlooked by technical teams in large organizations.
Troubleshooting Setup Errors
Common setup issues can prevent your site from benefiting from IndexNow. Incorrect API key format, file permission errors, or server misconfigurations are often culprits. For example, a retailer like Wayfair faced a permissions issue where their key file wasn’t publicly accessible, blocking verification until corrected in their hosting control panel.
Network problems, firewall rules, or content delivery networks may also interfere with API calls. If issues persist, consult the official IndexNow documentation for detailed troubleshooting. Being thorough at this stage helps avoid missed indexing opportunities for your content.
Reference: What is IndexNow for SEO (Explained in Plain English)?
Best Practices for Using IndexNow with Bing
When and what to submit to the IndexNow API
Understanding exactly when to notify Bing via IndexNow is crucial for efficient crawling and faster search visibility. The API is best utilized when your website has meaningful changes that should be reflected in Bing’s index.
Submit URLs to the IndexNow API whenever you publish new blog articles, make significant updates to existing product pages, or remove outdated content. For instance, if The Home Depot launches a new catalog section or updates key DIY guides, submitting those URLs can accelerate how quickly Bing recrawls and reindexes that content. However, resubmitting URLs that haven’t changed—like static policy pages—can lead to unnecessary crawl requests.
Prioritize submitting critical pages that directly influence search performance. E-commerce platforms like Shopify recommend focusing on high-traffic categories or top-selling products rather than minor profile pages, ensuring SEO resources support business goals.
Automating URL submission for timely updates
Manual submissions can bottleneck large-scale sites. By automating IndexNow requests, businesses ensure Bing receives real-time updates without human delays. Major CMS platforms such as WordPress and Wix now offer IndexNow plugins that trigger API submissions automatically with each publish or update event.
Larger brands like Overstock.com batch submit multiple URLs at once via scripts, reducing the number of API calls and further decreasing indexing lag. Integrating IndexNow triggers into existing content deployment pipelines—via CI/CD tools like Jenkins or GitLab—allows even enterprise teams to maintain index freshness with minimal oversight.
Monitoring Bing indexing results post-implementation
After activating IndexNow, monitoring its impact is fundamental to understanding tangible SEO benefits. Bing Webmaster Tools lets you audit which submitted URLs were indexed and how quickly. For example, after integrating IndexNow, the UK publisher Future PLC reported a 30% reduction in average indexing time for their review articles.
Compare crawl rates and visibility before and after IndexNow adoption using analytics. Sharp increases in impressions or organic clicks, as Shopify tracked in its case studies, signal improved indexing efficiency, helping to justify continued investment in API automation.
Avoiding spammy or excessive API requests
Bing sets explicit rate limits to curb abuse and maintain quality. Exceeding these can result in ignored submissions or temporary API blocks. Ensure you respect these boundaries by referencing official IndexNow documentation during implementation.
Repeatedly submitting unchanged URLs, such as old contact or about pages, provides no SEO value and can dilute the priority of truly important content. High-value pages—like leading blog articles or featured product listings—should always take precedence in your automated workflows for a well-optimized site.
Reference: IndexNow: When and How Websites Should Notify Search ...
Monitoring, Measuring, and Optimizing IndexNow Performance

Monitoring, Measuring, and Optimizing IndexNow Performance
Tools for checking IndexNow submission status
Effectively tracking the results of your IndexNow implementation begins with the right monitoring tools. Accurate feedback on your URL submissions helps ensure search engines like Bing and Yandex are promptly notified of new or updated content.
The Bing Webmaster Tools IndexNow dashboard offers an at-a-glance summary of recent submissions, showing successful and failed URLs. For instance, after integrating IndexNow, a retailer such as Overstock.com can immediately verify whether their latest product pages were recognized and indexed using this dashboard.
Server log files are another valuable resource. By analyzing POST requests to the IndexNow endpoint, technical SEO teams can confirm that URLs are being sent and track which search engines received them. Complementing this, third-party SEO monitoring tools like Screaming Frog or SEMrush can help identify gaps in crawling and indexing.
Finally, examining API response data for each submitted URL gives detailed feedback. This information flags successes and highlights failed submissions — crucial for large publishers like the BBC, which routinely submit hundreds of URLs daily after content updates.
Interpreting API response codes and Bing dashboard data
Understanding returned API data is essential for diagnosing submission problems and tracking trends. Each API call returns a status code that reveals whether a URL was accepted or rejected.
A 200 response indicates success, while 400 or 500 series codes point to issues like authentication errors or server downtime. For example, a streaming platform such as Spotify could notice recurring 429 (rate limit) codes, indicating the need to throttle requests.
The Bing dashboard aggregates these insights, allowing marketers to spot patterns, quantify successful submissions, and review errors in bulk. This broader SEO analytics context means brands can prioritize high-impact fixes and understand how their IndexNow strategy fits with overall search performance.
Troubleshooting issues with Bing not indexing website pages
When pages are not being indexed as expected, it’s important to look at a range of technical and quality factors. Common culprits for missed IndexNow URLs include API misconfigurations, content duplication, or crawl barriers like robots.txt blocks.
Teams at news outlets such as CNN often encounter issues when rapid updates coincide with technical outages. These issues can often be identified in the IndexNow API response logs, and resubmitting affected URLs after resolving configuration errors is usually effective.
Content quality and manual actions weigh heavily as well. If your content is thin or duplicated, Bing may ignore submissions altogether. Google's own Quality Rater Guidelines highlight how content quality and E-E-A-T (Experience, Expertise, Authoritativeness, Trustworthiness) are increasingly used as filters.
Iterative strategies for SEO improvement
Consistently optimizing IndexNow usage relies on actionable data and regular review. Teams should adapt submission frequency and scope by monitoring performance trends — for example, prioritizing core revenue pages, as Zappos did when focusing their submissions on seasonal inventory.
Revisiting IndexNow integration monthly uncovers opportunities to address new error patterns or incorporate updated endpoints. Collaboration with cross-functional tech and SEO teams, similar to the workflow at HubSpot, ensures that IndexNow is one component of a broader technical SEO strategy that includes structured data, site speed optimization, and crawl management.
By treating IndexNow as a living part of your SEO toolkit and iterating based on real outcomes, businesses can maximize discoverability and indexing efficiency, driving more consistent organic visibility.
Reference: IndexNow Protocol: A Technical SEO's Guide to Instant ...
Conclusion
Recap the major benefits of IndexNow, especially for “bing index website”
Adopting IndexNow brings measurable improvements for websites aiming to achieve fast and reliable indexing on Bing. By instantly pinging search engines when content changes, IndexNow shortcuts the wait times of traditional crawling and update cycles.
For example, The Home Depot integrated IndexNow as part of a pilot program and saw new product pages indexed on Bing within hours instead of days. This solves common SEO headaches such as delayed updates, stale search results, and lost opportunities for trending content. Proactive implementers—like major e-commerce retailers—gain a competitive edge by ensuring their freshest inventory and time-sensitive announcements are discoverable almost immediately.
Key steps to successful, sustainable implementation
Sustainable IndexNow adoption starts with a straightforward setup: generate an API key, update your sitemap, and configure your CMS or use a tool like Cloudflare’s IndexNow integration. Testing via Bing Webmaster Tools helps confirm that URLs are being correctly submitted and indexed.
Best practices include ongoing monitoring using analytics, reviewing server logs for successful pings, and refining submission logic to prioritize valuable pages. Enterprises like LinkedIn routinely audit their implementation to maximize impact, focusing on continuous improvement and automated site audits for optimal long-term results.
Immediate and long-term SEO advantages
IndexNow’s positive impact isn’t limited to instant crawling. Over time, it creates a stronger technical SEO foundation. Sites adopting IndexNow report improved organic visibility; for instance, SEMrush studies found 20% faster indexing on Bing for actively submitted URLs compared to passive ones.
Keeping pace with evolving search engine standards is crucial. Integrating IndexNow helps digital publishers such as Reuters and eBay safeguard their search performance, while reinforcing technical SEO health through speedy, consistent crawling and indexing.
Encouragement to experiment and monitor results
Experimentation is key to success—begin with a small-scale IndexNow rollout and measure the difference in crawl rates and indexation using tools like Bing Webmaster Tools and Screaming Frog.
Continuously adjust your processes based on data from analytics platforms. Teams at Shopify, for example, use A/B tests to compare traffic on pages with and without IndexNow updates, informing broader adoption and ongoing process refinement. Embracing a data-driven approach ensures IndexNow effectiveness, supporting continuous SEO gains as algorithms and competitor tactics evolve.
Frequently Asked Questions
What types of websites benefit most from the IndexNow API?
Understanding which websites see the greatest gains from the IndexNow API is crucial when determining implementation value. Sites that experience constant content changes, operate at scale, or depend heavily on search engine traffic typically realize immediate benefits.
For instance, high-velocity news outlets such as Reuters update dozens of stories every hour. IndexNow allows these changes to be indexed rapidly by Bing and Yandex, ensuring breaking stories appear in search results within minutes. Likewise, large e-commerce platforms like Walmart or Target benefit from fast product updates reaching users promptly.
Blogs with frequent publishing schedules—such as TechCrunch—require similar agility, ensuring readers get the most current information. Sites focusing on Bing and partner engines for a significant user base stand to improve traffic with quicker indexing.
How quickly does Bing index website changes using IndexNow?
IndexNow is designed for rapid indexing, a crucial factor for timely visibility online. Compared to standard crawling, the process is significantly accelerated, often resulting in near-instant search updates.
Bing, for example, typically indexes submitted URLs within minutes to a few hours. The speed varies with factors such as domain authority, page type, and historical crawl frequency. Large publishing networks like Condé Nast report dramatically reduced detection times for new articles, compared to relying solely on sitemaps. This immediacy is particularly valuable for sites where outdated listings can affect revenue or audience trust.
Can I use IndexNow for Google or other search engines besides Bing?
IndexNow has seen traction primarily with Bing, Yandex, and a handful of other search engines. As of 2024, Google has only piloted the technology and has not endorsed it for formal integration into their search workflows.
E-commerce companies like Zalando leverage IndexNow to optimize Bing and Yandex traffic, but continue using sitemaps and Google Search Console for ensuring Google visibility. While expanding support is likely, it’s not guaranteed; currently, multi-engine exposure still requires blended protocols.
Are there any risks or downsides to using the IndexNow API?
Like any powerful tool, IndexNow must be used with care. Over-submitting or submitting unchanged content can inadvertently trigger spam protections, potentially hampering search performance.
Inaccurate API setup or key mismanagement may generate technical errors, causing valid updates to be ignored. For example, some digital agencies have reported that misconfigured endpoints led to delayed indexing until errors were corrected. Regular auditing is required to ensure optimal function over time.
How often should I submit URLs via the API?
The frequency of submissions should align with site activity. Each notable page change—new, updated, or removed—warrants a submission. Batch submissions work best for sites like ASOS or CNN, where hundreds of pages may change daily.
Avoiding unnecessary repetitions is key; resubmitting static pages adds no value and could strain resources. Established content management workflows often automate this process, ensuring only meaningful updates are sent.
When should I use IndexNow compared to standard sitemaps?
While both IndexNow and sitemaps inform search engines of site updates, their purposes differ. IndexNow excels at real-time or near real-time notifications, making it ideal for urgent content pushes.
Sitemaps play a complementary role in complete site discovery, vital for ensuring deep or infrequently updated pages are still accessible to crawlers. Both methods are often used together by platforms like Shopify, combining fast response with comprehensive coverage for best-in-class indexing.