{"uid":"cap_TZYQpZUpURYcmioU13CQk","slug":"agentshelf-caldav-srv-dns-lookup-fec927be","name":"AgentShelf CalDAV SRV DNS Lookup","description":"Call when an agent needs SRV records at _caldav._tcp.{hostname} for CalDAV. The caller sends the registrable domain, not the underscored name. Exact $0.002 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-caldav first.","url":"https://agentshelf.syntexa.ch/v1/dns-srv-caldav?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"hostname":{"type":"string","examples":["example.com"],"maxLength":253,"minLength":1,"description":"Public DNS hostname such as example.com. Not a URL, not an IP literal, and not a private name."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vBYlmTZ4wStiHOXwH4Qzi","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up SRV records at _caldav._tcp.{hostname} for a given registrable domain, returning CalDAV server discovery information.","exampleAgentPrompt":"Can you look up the CalDAV SRV DNS record for example.com so I can find the calendar server address?","exampleUseCases":[{"title":"Calendar app auto-configuration","prompt":"I'm setting up a calendar client for acme.com — can you fetch the CalDAV SRV record for acme.com so I know which server and port to connect to?"},{"title":"Diagnose CalDAV discovery failure","prompt":"My calendar app can't find the CalDAV server for mycompany.org — can you check the _caldav._tcp SRV DNS record for mycompany.org and tell me what it says?"},{"title":"Verify CalDAV server deployment","prompt":"We just set up CalDAV for ourschool.edu — can you query the SRV record for ourschool.edu to confirm the DNS entry is pointing to the right server and port?"}],"resultDescription":"Returns the SRV record fields from _caldav._tcp.{hostname}, including the target CalDAV server hostname, port number, priority, and weight, enabling clients to locate and connect to the correct CalDAV service.","failureModes":["No SRV record exists for the given hostname (NXDOMAIN or empty answer)","Hostname is malformed or exceeds 253 characters","DNS resolution timeout or upstream DNS failure","Domain exists but has no _caldav._tcp SRV record configured"],"whenToPreferThis":"Use this endpoint when an agent needs to programmatically discover a CalDAV server for a given domain via DNS SRV records, especially during calendar client auto-configuration or service validation workflows. It is purpose-built for the CalDAV SRV lookup pattern, avoiding the need for general DNS libraries or direct DNS queries.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T18:46:28.659Z","isFirstParty":false,"canonicalSlug":"agentshelf-caldav-srv-dns-lookup-fec927be"}