the402 endpoint detail

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fittings.sh tax us-state-sales-rate

https://fittings.sh/v1/tax/us-state-sales-rate

answers 402

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.

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.003
Network
base
Pay to
0xe025442C0d6dC17aD2b9eB888B3565bdFCd98638
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
2101 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:21:45.503Z (22d ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Ffittings.sh%2Fv1%2Ftax%2Fus-state-sales-rate"