{"uid":"cap_DQmOK1MkvWftW0Yg9mB9C","slug":"expect-ct-response-header-inspector-e3970369","name":"Expect-CT Response Header Inspector","description":"The expect-ct response header of a URL: whether it is present, its value, and a one-line reading of what the value means (or the risk of its absence for security headers). One header, one answer, for audits and monitoring scripts. $0.01 per check.","url":"https://site.intel.rallylive.ca/site/header/expect-ct?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_Nr451h0acAXLl3jZZGcsb","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 whether the Expect-CT HTTP response header is present on a given URL, returns its raw value, and provides a plain-English interpretation of its security implications.","exampleAgentPrompt":"Can you check whether https://example.com has the Expect-CT response header set, what its value is, and whether the configuration looks secure?","exampleUseCases":[{"title":"Security audit for client website","prompt":"I need to audit https://shop.acmecorp.com — can you check if the Expect-CT header is present and tell me whether the configuration is secure or if there's a risk I should flag?"},{"title":"Compliance check before deployment","prompt":"Before we push the new version of https://app.myservice.io live, can you verify the Expect-CT header is properly configured and tell me what the value means?"},{"title":"Monitoring script for header regression","prompt":"Can you check https://portal.financetools.net to see if the Expect-CT header is still there and correctly set — I want to make sure it didn't disappear after the last server update?"}],"resultDescription":"Returns whether the Expect-CT header is present on the target URL's HTTP response, its raw header value if found, and a one-line human-readable interpretation of the value's security meaning or an explanation of the security risk posed by its absence.","failureModes":["Target URL is unreachable or returns a network error, resulting in no header data","URL is malformed or not provided, causing a request validation failure","Target server returns an unexpected response format","Rate limits or payment verification failure preventing the check from completing"],"whenToPreferThis":"Choose this endpoint when you specifically need to inspect the Expect-CT HTTP response header in isolation for auditing, monitoring, or compliance purposes. It is ideal for automated security scans, CI/CD pipeline checks, or lightweight monitoring scripts that need a per-header answer with a plain-English risk summary, without the overhead of a full security header analysis suite.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T00:46:20.927Z","isFirstParty":false,"canonicalSlug":"expect-ct-response-header-inspector-e3970369"}