{"uid":"cap_FvtMC_3I4DycFU4VYJt-y","slug":"dns-srv-pubsub-record-lookup-f6444756","name":"DNS SRV PubSub Record Lookup","description":"Call when an agent needs SRV records at _pubsub._tcp.{hostname} for XMPP pubsub. The caller sends the registrable domain, not the underscored name. Send JSON {\"hostname\":\"example.com\"}. Exact $0.006 USDC on Base. Try unpaid POST /v1/sandbox/dns-srv-pubsub first.","url":"https://agentshelf.syntexa.ch/v1/dns-srv-pubsub?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":"0.006","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":"$0.006/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xPzFIk8ozrwMbklidhzNH","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.006","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Resolves SRV records at _pubsub._tcp.{hostname} for XMPP pubsub service discovery given a registrable domain name","exampleAgentPrompt":"Look up the _pubsub._tcp SRV records for the domain jabber.org so I can discover its XMPP pubsub server and port.","exampleUseCases":[{"title":"XMPP pubsub server discovery","prompt":"Can you find the XMPP pubsub SRV records for the domain xmpp.example.com? I need to know which server and port to connect to for pubsub."},{"title":"Validate pubsub DNS configuration","prompt":"Check whether conference.mycompany.com has _pubsub._tcp SRV records set up correctly so I can confirm pubsub is properly configured."},{"title":"Federated XMPP integration setup","prompt":"I'm setting up federation with prosody.im — can you pull the _pubsub._tcp SRV records for that domain so I know where to route pubsub traffic?"}],"resultDescription":"Returns the SRV record(s) found at _pubsub._tcp.{hostname}, including fields such as priority, weight, port, and target hostname for each record, enabling XMPP pubsub service discovery.","failureModes":["Domain has no _pubsub._tcp SRV records — returns empty result or NXDOMAIN","Invalid or malformed hostname input — validation error","DNS resolution timeout or upstream failure — service error","Hostname exceeds 253-character limit — schema validation error","Payment not provided or insufficient — 402 Payment Required"],"whenToPreferThis":"Use this endpoint when an agent specifically needs to discover XMPP pubsub service endpoints via DNS SRV records (_pubsub._tcp) for a given registrable domain. Prefer the free sandbox endpoint POST /v1/sandbox/dns-srv-pubsub first for testing. Choose this paid endpoint only when a real, authoritative DNS SRV pubsub lookup is required in production at $0.006 USDC per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:54:48.646Z","isFirstParty":false,"canonicalSlug":"dns-srv-pubsub-record-lookup-f6444756"}