{"uid":"cap_K-Wd_BAI82Eg-0K017PB-","slug":"hsts-preload-check-28b087b0","name":"HSTS Preload Check","description":"HSTS check: the Strict-Transport-Security header on the site (max-age, includeSubDomains, preload), whether it meets Chrome preload-list requirements, and the domain's current status in the HSTS preload list (hstspreload.org). Transport security hardening. $0.01 per domain.","url":"https://intel.rallylive.ca/site/hsts-preload","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_76BQ0iwev3IOfEpm8ztDi","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks a domain's Strict-Transport-Security header configuration and its status on the Chrome HSTS preload list via hstspreload.org","exampleAgentPrompt":"Can you check if example.com has a valid HSTS header with the preload directive and whether it's already listed on the Chrome HSTS preload list?","exampleUseCases":[{"title":"Pre-submission HSTS preload eligibility check","prompt":"Before I submit mycompany.com to the Chrome HSTS preload list, can you check if our HSTS header meets all the requirements — right max-age, includeSubDomains, and preload directive set correctly?"},{"title":"Security audit for client domain","prompt":"I'm auditing the transport security setup for clientsite.org — can you pull the HSTS header details like max-age and includeSubDomains, and tell me if they're actually on the HSTS preload list yet?"},{"title":"Post-deployment HSTS configuration verification","prompt":"We just updated our HSTS settings on store.mybrand.com — can you verify the Strict-Transport-Security header is now configured properly with preload and whether the domain is showing as preloaded in the Chrome list?"}],"resultDescription":"Returns the Strict-Transport-Security header value from the target domain including max-age duration, whether includeSubDomains and preload directives are present, whether the configuration meets Chrome HSTS preload list requirements, and the domain's current status in the hstspreload.org preload list.","failureModes":["Domain does not exist or is unreachable — no header data returned","Site does not serve HTTPS — HSTS header absent","Malformed domain input — validation error","HSTS header present but missing required directives (e.g. no preload) — partial result with eligibility failure","Rate limiting or payment failure — 402 or 429 response"],"whenToPreferThis":"Use this endpoint when you need to specifically audit HSTS header configuration and preload list status for a domain, especially before submitting to the Chrome HSTS preload list or performing a web security compliance check. It combines header inspection with live preload list lookup in a single call, making it more targeted than a generic SSL or HTTP header checker.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T13:13:14.092Z","isFirstParty":false}