{"uid":"cap_u_dN8Qe_JzSHCxMG1cJKl","slug":"strale-port-check-8d4832df","name":"Strale Port Check","description":"The trust layer for AI agents — 250+ independently tested data capabilities across 27 countries. Execute capabilities via REST, MCP, A2A, or x402 micropayments. Every call returns an audit record with cryptographic chain hashing.","url":"https://api.strale.io/x402/v2/port-check","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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["host"],"properties":{"host":{"type":"string"},"ports":{"description":"Array of port numbers or comma-separated string"},"timeout_ms":{"type":"integer"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.054","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":"$0.054/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.054","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.054","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_OJ0fD_O0Ogup6sz9ueV0A","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.054","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Check whether specified TCP ports are open or reachable on a given host via HTTP probe","exampleAgentPrompt":"Can you check if ports 80, 443, and 22 are open on api.mycompany.com? Use a 3000ms timeout.","exampleUseCases":[{"title":"Firewall audit before deployment","prompt":"Before I deploy, can you check if ports 80, 443, and 8080 are open on staging.myapp.io with a 5000ms timeout? I need to know which ones are reachable."},{"title":"Database connectivity verification","prompt":"Is port 5432 accessible on db.internal.example.com? Set the timeout to 2000ms — I'm trying to figure out if our Postgres server is reachable from outside."},{"title":"SSH access health check","prompt":"Can you verify whether port 22 is open on my VPS at 203.0.113.45? I'm locked out and want to know if the SSH service is actually listening."}],"resultDescription":"Returns the reachability status for each requested port on the specified host (open/closed/timeout), along with a cryptographically hashed audit record providing tamper-evident proof of the check result.","failureModes":["Host does not resolve (DNS failure) — returns error with unresolvable hostname","All ports timeout due to aggressive firewall — returns timeout status per port","Invalid port numbers provided — schema validation error","Missing required 'host' query parameter — 400 bad request","Network unreachable from probe origin — connectivity error returned"],"whenToPreferThis":"Choose this endpoint when you need an auditable, tamper-evident record of port reachability checks — particularly in compliance, security audit, or infrastructure verification workflows where a cryptographic proof of the check is required. Prefer over simple ping tools when you need multi-port probing with a documented audit trail and micropayment-based access without API key management.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:50:59.408Z","isFirstParty":false}