{"uid":"cap_cbHMnTOUysv2736VPElkp","slug":"is-port-502-open-bulk-d5d64388","name":"is-port-502-open-bulk","description":"Bulk is port 502 open: up to 20 hosts in one call, processed concurrently, results in input order with a per-item error field and a failure count. Same answer per item as the single endpoint. Batch enrichment for agents that hold a list. $0.10 per batch.","url":"https://ip.intel.rallylive.ca/bulk/ip/port/502?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_HTPAJc9UfNqXDSu42g7Oa","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Bulk-checks whether TCP port 502 (Modbus) is open on up to 20 hosts concurrently, returning ordered results with per-item errors and a failure count.","exampleAgentPrompt":"Can you check whether port 502 (Modbus) is open on these 15 hosts all at once and tell me which ones are reachable and which failed?","exampleUseCases":[{"title":"ICS exposure audit across fleet","prompt":"I have a list of 18 industrial control system IPs — can you batch-check all of them to see which ones have port 502 open and flag any that are unexpectedly reachable from the internet?"},{"title":"Modbus device discovery scan","prompt":"We're onboarding a new facility network and I need to know which of these 20 host addresses are running Modbus services on port 502 — can you scan them all at once?"},{"title":"Security posture verification","prompt":"Before our compliance review, can you check these 12 servers to confirm that port 502 is closed on all of them — and give me a count of any that are still open?"}],"resultDescription":"An ordered array of per-host results (matching input order) each containing the host identifier, whether port 502 is open or closed, and an error field if the check failed for that host. A top-level failure count summarizes how many items encountered errors.","failureModes":["Host unreachable or DNS resolution failure — per-item error field populated, host counted in failure total","Batch exceeds 20 hosts — request rejected or truncated","Network timeout on individual host checks — reported as per-item error","Invalid host format in input — per-item error returned","Payment not fulfilled (x402) — entire batch request rejected"],"whenToPreferThis":"Use this endpoint when you have a list of 2–20 hosts and need to check port 502 (Modbus) status efficiently in a single API call rather than making individual requests per host. It is purpose-built for batch enrichment workflows where ordering of results must match input order and partial failures should not block the full batch. Prefer this over the single-host endpoint whenever you hold a list and want to minimize API call overhead and cost.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:41:27.835Z","isFirstParty":false,"canonicalSlug":"is-port-502-open-bulk-d5d64388"}