{"uid":"cap_9dKBdWoa8WE-mWYa663qv","slug":"stabledomains-51de3ce2","name":"StableDomains Domain Availability Check","description":"Check availability and pricing. Auth: x402/MPP.","url":"https://stabledomains.dev/api/check","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"domain":{"type":"string","description":"Full domain (e.g. \"example.com\"). Supported TLDs (28): .ai, .app, .biz, .cloud, .co, .com, .dev, .email, .info, .io, .link, .live, .me, .mobi, .name, .net, .online, .org, .page, .pro, .shop, .site, .store, .studio, .tech, .tv, .uk, .xyz."}}},"responseSchema":null,"example":{"request":{"domain":"testexample.dev"},"response":{"tld":"dev","domain":"testexample.dev","premium":false,"available":true,"basePrice":"$25","currentPrice":"$25","bondingMultiplier":"1x","dailySlotsRemaining":10}},"exampleRequest":{"domain":"testexample.dev"},"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.05/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_ifw7EYiO0mE5x1Tqg1eyJ","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":"Check whether a domain name is available for registration and retrieve its pricing information","exampleAgentPrompt":"Can you check if 'coolstartup.dev' is available to register on StableDomains, and tell me how much it would cost?","exampleUseCases":null,"resultDescription":"Returns whether the specified domain name is available for registration and, if so, the price in USDC to register it.","failureModes":["Invalid domain name format returns an error response","Domain TLD not supported returns unavailable or error","Network timeout or service unavailability returns 5xx error","Missing or invalid x402/MPP authentication returns 401/402"],"whenToPreferThis":"Use this endpoint when you need to check domain availability and pricing before committing to a registration on StableDomains, especially when paying with USDC via x402/MPP protocol. Prefer this over manual WHOIS lookups when operating in a crypto-native or agent-automated workflow.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":13,"lastUsedAt":"2026-06-09T02:21:13.895Z","lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:37:38.864Z","isFirstParty":false}