{"uid":"cap_g2B-Z_6dRZnpRjWwC-CU0","slug":"agentshelf-syntexa-ch-dns-srv-sip-udp-lookup-c1965f25","name":"agentshelf.syntexa.ch DNS SRV SIP UDP Lookup","description":"Call when an agent needs SRV records at _sip._udp.{hostname} for SIP over UDP. The caller sends the registrable domain, not the underscored name. Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/dns-srv-sip-udp first.","url":"https://agentshelf.syntexa.ch/v1/dns-srv-sip-udp?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":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm__m8b4sgq2Oiw54GQjHUFz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","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 _sip._udp.{hostname} for SIP-over-UDP service discovery, given a registrable domain name.","exampleAgentPrompt":"Can you look up the SRV records for SIP over UDP for the domain example.com so I can find where to route SIP calls?","exampleUseCases":[{"title":"VoIP SIP server discovery","prompt":"I need to find the SIP over UDP server endpoints for voipprovider.com — can you pull the SRV DNS records so I know what host and port to connect to?"},{"title":"SIP routing configuration check","prompt":"What are the _sip._udp SRV records for mycompany.com? I'm setting up a SIP trunk and need the priority, weight, and port from DNS."},{"title":"Telecom onboarding validation","prompt":"Before I onboard a new SIP carrier, can you resolve the SRV records for SIP UDP at carrierdomain.net so I can verify they have DNS configured correctly?"}],"resultDescription":"Returns SRV DNS record data for _sip._udp.{hostname}, including one or more records each containing priority, weight, port, and target hostname values used for SIP-over-UDP service routing.","failureModes":["Hostname not found in DNS — returns empty or NXDOMAIN result","Malformed hostname input exceeding 253 characters","Domain has no _sip._udp SRV records configured","DNS resolution timeout or upstream failure","Invalid domain format rejected by input validation"],"whenToPreferThis":"Use this endpoint when an agent needs to discover SIP-over-UDP service endpoints for a domain via DNS SRV records, specifically the _sip._udp prefix. Prefer the free sandbox endpoint (/v1/sandbox/dns-srv-sip-udp) for testing. Choose this over general DNS lookup tools when you specifically need SRV record data scoped to the SIP UDP service type.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:49:58.646Z","isFirstParty":false,"canonicalSlug":"agentshelf-syntexa-ch-dns-srv-sip-udp-lookup-c1965f25"}