{"uid":"cap_5e29sw_QdmASR410pjmFR","slug":"is-port-80-open-0e5bfd41","name":"is-port-80-open","description":"Is TCP port 80 (HTTP) open on a host? Attempts a connection from Cloudflare's edge and reports open/closed/filtered with the connect time; Cloudflare-fronted hosts are reported as inconclusive because their edge answers for them. Exposure checks for HTTP without running a scanner. $0.01 per check.","url":"https://ip.intel.rallylive.ca/ip/port/80?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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_eClLH46UtdGCf2HxhBxgZ","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 TCP port 80 (HTTP) is open, closed, or filtered on a given host by attempting a connection from Cloudflare's edge network and reporting the result with connect time.","exampleAgentPrompt":"Can you check whether port 80 (HTTP) is open or closed on the host api.example.com — I want to know if it's externally reachable for HTTP traffic without running a full scanner?","exampleUseCases":[{"title":"HTTP exposure audit for new server","prompt":"I just spun up a new server at 203.0.113.45 — can you check if port 80 is open on it from the outside? I want to make sure it's accepting HTTP before I configure the reverse proxy."},{"title":"Security check for unexpected HTTP listener","prompt":"I need to verify whether port 80 is unexpectedly open on host internal.mycompany.net — we shouldn't be exposing plain HTTP there and I want to confirm before raising an incident."},{"title":"Pre-launch HTTP reachability check","prompt":"We're about to launch our site at shop.mybrand.io — can you check if port 80 is open and reachable so I know HTTP traffic will reach us? I want the connect time too if it's open."}],"resultDescription":"Returns the port status as open, closed, filtered, or inconclusive (the last for Cloudflare-fronted hosts where Cloudflare's edge answers instead of the actual host), along with the TCP connect time in milliseconds when a connection succeeds.","failureModes":["Host is Cloudflare-fronted — result reported as inconclusive because Cloudflare's edge answers the connection rather than the origin","Host is unreachable or DNS does not resolve — connection attempt fails and filtered/closed is reported","Firewall silently drops packets — port appears filtered rather than closed","Transient network issues at Cloudflare's edge may cause false negatives","Invalid or malformed hostname/IP input causes request rejection"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, external check of HTTP (port 80) reachability on a host without deploying or running a port scanner. It is ideal for pre-launch checks, security audits to detect unintended HTTP exposure, or infrastructure monitoring where you want an external vantage point (Cloudflare's edge). Use it over a full scanner when you only need port 80 and want a fast, single-call result with connect time. Note the inconclusive limitation for Cloudflare-fronted hosts.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:42:35.566Z","isFirstParty":false,"canonicalSlug":"is-port-80-open-0e5bfd41"}