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fittings US State Sales Tax Rate
x402
fittings US State Sales Tax Rate is a paid API for AI agents from fittings.sh, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-14).
Returns the state-level sales or use tax rate for a given US state, with optional computed tax amount and total for a provided subtotal.
Price / call$0.003
Success—
StatusUnknown
How this service works
The state-level sales or use tax rate for a US state, with optional tax and total for a subtotal. Excludes county, city and district rates.
Output
Returns the state sales tax or use tax rate as a percentage, and when an optional subtotal amount is provided, also returns the computed tax dollar amount and the total (subtotal plus tax).
Example use cases
E-commerce checkout tax estimate
“What's the state sales tax rate for Texas and how much tax would be added to a $199.99 order?”
Multi-state tax compliance comparison
“Look up the state-level sales tax rates for Florida, Nevada, and Washington so I can compare them.”
Invoice total calculation for client billing
“I'm billing a client in New York for $2,500 in services — what's the NY state sales tax and what would the total come out to?”
Technical details
Endpoint
GEThttps://fittings.sh/v1/tax/us-state-sales-rateWhen to prefer
Use this endpoint when you need the official state-level sales or use tax rate for a US state, particularly when you need to compute tax on a specific subtotal. Note that this endpoint deliberately excludes county, city, and district rates, so it is best suited for state-only tax lookups or as one component of a broader tax calculation pipeline.
Side effects
- Invalid or unrecognized state name/code returns an error
- Missing required 'state' parameter results in a validation error
- Amount outside 0–1,000,000,000 range may be rejected
- Only state-level rates returned — county, city, and district taxes are excluded, which may lead to underestimates
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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