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Coockies.ai Sales Tax Calculator
x402
Coockies.ai Sales Tax Calculator is a paid API for AI agents from coockies-ai.vercel.app, paid per call via x402, $0.186778/call, status unknown (last checked 2026-10-12).
Calculates sales tax for a given transaction or location via a pay-per-call API on the Base blockchain
Price / call$0.186778
Success—
StatusUnknown
How this service works
194 production-ready API endpoints. AI, Search, Social, Finance, Crypto. Pay-per-call with x402 on Base chain.
Output
Returns a result object containing the computed sales tax data, which typically includes the applicable tax rate for the jurisdiction, the calculated tax amount, and the total transaction value including tax.
Example use cases
E-commerce checkout tax calculation
“I need to calculate the sales tax for a $299.99 electronics purchase being shipped to a customer at zip code 90210 in California — what will the total charge be?”
Multi-state sales tax compliance
“What is the current sales tax rate in New York for a $500 clothing order, and how much tax do I need to collect from my customer?”
Invoice total calculation for freelancer
“I'm sending an invoice for $1,200 in consulting services to a client in Seattle, Washington — can you calculate the sales tax I need to add so I know the final invoice amount?”
Technical details
Endpoint
POSThttps://coockies-ai.vercel.app/api/sales-tax-calculator?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a quick, pay-per-call sales tax computation without committing to a full tax compliance SaaS subscription. It is well-suited for AI agents handling e-commerce checkout flows, invoice generation, or financial reporting where occasional on-demand tax lookups are needed. Prefer this over heavier tax platforms (e.g., Avalara, TaxJar) when usage is intermittent and cost-per-call economics are favorable.
Side effects
- Missing or invalid location/zip code returns an error or empty result
- Unsupported jurisdiction may return null or incomplete tax data
- Malformed input object results in a 400-level error
- Service unavailability returns a 402 or 5xx error; payment may still be deducted
- Ambiguous product category may result in incorrect rate applied
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| result | object | API response data |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| result | object | API response data |
Tags
x402
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