AmazonSellerInitiatedListing
AmazonSellerInitiatedListing is a generic scraper operated by Amazon. Intent varies case-by-case, some scrapers are legitimate research, some power useful aggregators, some are abusive.
Look at the request pattern before deciding what to do. A polite scraper crawls slowly, respects robots.txt, and identifies itself. An abusive one ignores all three.
If you are not sure, the safest move is to rate-limit rather than block outright. That keeps the legitimate use cases working while neutralizing the abusive ones.
See AmazonSellerInitiatedListing on your own site
Match the User-Agent header on incoming requests against the pattern below.
regex
Verify by IP
For higher confidence, also verify the source IP against the operator's published ranges. UA strings can be spoofed; IP ownership is harder to fake.
Renders JavaScript
No
IP verification
Published IP ranges
Crawl frequency
Variable
Honors robots.txt
Yes
Honors Crawl-delay
No
Amazon runs 38 bots in total. Each one is a separate user-agent so you can allow or block them independently.
Live-Fetch AI
11- Amzn-User
- Amazon Bedrock AgentCore Browser (AP Northeast)
- Amazon Bedrock AgentCore Browser (AP South)
- Amazon Bedrock AgentCore Browser (AP Southeast 1)
- Amazon Bedrock AgentCore Browser (AP Southeast)
- Amazon Bedrock AgentCore Browser (EU Central 1)
- Amazon Bedrock AgentCore Browser (EU West 1)
- Amazon Bedrock AgentCore Browser (US East 1)
- Amazon Bedrock AgentCore Browser (US East 2)
- Amazon Bedrock AgentCore Browser (US West 2)
- Amazon Buy For Me
Training Crawler
7Brand Intelligence
3Agentic Browser
3AI Search Index
2Generic Crawler
2- CloudFront
- AmazonSellerInitiatedListingYou are here
DevOps & Monitoring
2Shopping Bot
2Search Engine
1Task Automation
1Ad Verification
1Ads Network Bot
1Link Unfurler
1AI Coding Tool
1Should I let AmazonSellerInitiatedListing through?
Watch your logs for a week first. Behavior varies wildly. Observe the request pattern before allow/block decisions.
Does blocking AmazonSellerInitiatedListing affect my Google rankings?
No. AmazonSellerInitiatedListing is not a search-engine crawler. Your ranking on Google or Bing is unaffected by what you do here.
How do I confirm a request is really from AmazonSellerInitiatedListing?
Two checks. The User-Agent header should match a known AmazonSellerInitiatedListing string, and the request's source IP should fall inside Amazon's published ranges. The User-Agent alone is trivially spoofable, so the IP check is what gives you confidence. Amazon publishes the ranges so you can validate at the CDN or edge.
What's the best way to understand what AmazonSellerInitiatedListing is doing on my site?
Look at which URLs it hits, how often, and what time of day. The request pattern usually tells you whether it's building an index, watching for a specific change, or trying to pull data in bulk. The User-Agent name alone rarely tells the full story.
How is AmazonSellerInitiatedListing different from Amazon's other bots?
Amazon splits work across multiple user-agents so site owners can decide on each one independently. Training crawlers, live-fetch agents, search indexers, and agentic browsers each get their own name. Worth scanning the rest of the Amazon family above to see which ones actually matter for your site.
What's the cleanest way to control AmazonSellerInitiatedListing?
Two layers. Robots.txt for the polite crawlers that read it, and rules at your CDN or edge for the ones that don't. Rankly's Agent Experience handles both from a single config, so you can allow, block, rate-limit, or serve a stripped-down version per bot. Agent Analytics handles the observation half so you know which bots are actually worth a rule.
Verify everything above against the operator's own documentation.