{
  "api": {
    "name": "StartupBuilder API",
    "description": "🚀 Ideate, build, launch, operate and grow startups: one API for every startup in the Studio and everything they do",
    "url": "https://api.sb",
    "login": "https://api.sb/login",
    "signup": "https://api.sb/signup",
    "docs": "https://api.sb/docs",
    "from": "https://startups.studio"
  },
  "links": {
    "home": "https://api.sb/",
    "up": "https://api.sb/startups",
    "self": "https://api.sb/taxrates.dev",
    "next": "https://api.sb/toolboxtalks.co",
    "prev": "https://api.sb/taxhome.dev"
  },
  "nav": {
    "🏛️ Startups.Studio": "https://api.sb/",
    "└─ 🚀 startups (242)": "https://api.sb/startups",
    "   ├─ ◀ taxhome.dev": "https://api.sb/taxhome.dev",
    "   ├─ ● taxrates.dev": "https://api.sb/taxrates.dev",
    "   └─ ▶ toolboxtalks.co": "https://api.sb/toolboxtalks.co"
  },
  "startup": {
    "$context": "https://api.sb/",
    "$id": "https://api.sb/taxrates.dev",
    "$type": "Startup",
    "id": "startup_taxratesdev",
    "name": "taxrates.dev",
    "pitch": "The rate as a call: one address in, the combined rate and each jurisdiction's part out, with the source file and effective date on every answer. Data, not a filing service; the returns route to salestax.click.",
    "icp": "Developers and agents that need the sales tax rate for an address before they show a total",
    "status": "Designed",
    "ventures": {
      "Back office": "https://api.sb/startups?venture=back-office"
    },
    "families": {
      "dev (suffix .dev)": "https://api.sb/startups?family=dev"
    },
    "abstractions": [
      "Dataset"
    ],
    "motions": [
      "b2d",
      "b2b"
    ],
    "coordinates": {
      "icp": "Developers and agents that need the sales tax rate for an address before they show a total",
      "occupations": {
        "Software Developers · serves": "https://api.sb/Occupations/Computer_and_Mathematical/Computer/Software_and_Web_Developers/Software_Developers"
      },
      "processes": {
        "9.9.2": "https://api.sb/Processes/9.9.2"
      },
      "supplies": {
        "TaxRate.lookup": "https://api.sb/startups?drawsOn=TaxRate.lookup",
        "RateChange.list": "https://api.sb/startups?drawsOn=RateChange.list"
      },
      "offers": {
        "taxrates.dev API: metered per lookup · b2d · $0.01 per rate lookup · metered API": "https://api.sb/by-motion/b2d",
        "Quarterly rate-change file for systems that keep their own tables · b2b · $149/year · self-serve software": "https://api.sb/by-motion/b2b"
      },
      "products": {
        "Combined sales and use tax rate by address, with each jurisdiction's part (state, county, city, special district) · Dataset": "https://api.sb/by-abstraction/data",
        "Rate changes by effective date, so a system can load next quarter's rates before they apply · Dataset": "https://api.sb/by-abstraction/data"
      },
      "oneLiner": "The sales tax rate as a call: one address in, the combined rate and each jurisdiction's part out, with source and effective date, priced per lookup.",
      "category": "Sales tax rate API",
      "beats": {
        "Avalara AvaTax: Rooftop-accurate, but annual per-state tiers sold through sales: too much commitment for a single rate lookup.": "https://api.sb/by-alternative/incumbent",
        "TaxJar: Accurate with address validation, but monthly plans by order volume, no per-lookup option.": "https://api.sb/by-alternative/incumbent",
        "API Ninjas Sales Tax API: Self-serve but ZIP-based, with city/county breakdown only on premium; wrong where a ZIP spans jurisdictions.": "https://api.sb/by-alternative/incumbent",
        "Free ZIP-code lookup (Avalara TaxRatesByPostalCode): ZIP-only by definition, so wrong across multi-jurisdiction ZIPs, and the free tier is reported gone.": "https://api.sb/by-alternative/nothing"
      },
      "unplaced": {
        "industries": "not placed yet: ideate.icp places it from the Startup’s sources",
        "occupations": "not placed yet: ideate.icp places it from the Startup’s sources",
        "processes": "not placed yet: ideate.icp places it from the Startup’s sources",
        "supplies": "not yet: build.product names the Verbs it serves",
        "drawsOn": "not yet: build.product names what it draws on",
        "beats": "not yet: the choice (ideate.hypothesis) names each rival by its URL"
      }
    },
    "platform": false,
    "domains": {
      "taxrates.dev": "https://api.sb/domains/taxrates.dev"
    },
    "usesPlatform": "https://api.sb/"
  },
  "graph": {
    "families": {
      "dev": {
        "$id": "https://api.sb/startups?family=dev",
        "count": 21
      }
    },
    "ventures": {
      "Back office": {
        "$id": "https://api.sb/startups?venture=back-office",
        "count": 57
      }
    }
  },
  "verbs": {
    "launch · Designed → Live": "https://api.sb/taxrates.dev/launch",
    "extend": "https://api.sb/taxrates.dev/extend",
    "graduate": "https://api.sb/taxrates.dev/graduate",
    "shutDown · Designed → ShutDown": "https://api.sb/taxrates.dev/shutDown",
    "🚀 the Startups taxrates.dev uses": "https://api.sb/startups?usedBy=taxrates.dev",
    "🚀 the Startups that use taxrates.dev": "https://api.sb/startups?uses=taxrates.dev",
    "🔍 search the Startups": "https://api.sb/startups?q=",
    "📖 what is a Startup?": "https://api.sb/nouns/Startup",
    "🏠 home": "https://api.sb/"
  },
  "user": {
    "agent": {
      "kind": "ai-crawler",
      "name": "ClaudeBot",
      "vendor": "Anthropic",
      "onBehalfOf": "training"
    },
    "ip": "216.73.216.152",
    "isp": "Anthropic, PBC",
    "flag": "🇺🇸",
    "city": "Columbus",
    "region": "Ohio",
    "country": "United States",
    "continent": "North America",
    "timezone": "America/New_York",
    "localTime": "10/26/2026, 6:57:39 AM",
    "edgeLocation": "CMH",
    "latencyMilliseconds": 5,
    "rttMilliseconds": 13,
    "trustScore": 1
  }
}