the402 endpoint detail

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x402toll.com tax state-income

https://x402toll.com/v1/tax/state-income

answers 402

Standalone 2026 state income tax for any of 51 US jurisdictions — progressive/flat/no-tax schedules, MFJ doubling — applied to the income you provide.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.05
Network
base
Pay to
0x1C9923489CD7D75Dd2f6735c48090b8bD4c7E5a9
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
77 ms
Payment options
1 usable of 1
Last checked
2026-08-15T14:33:55.116Z (4d ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402toll.com%2Fv1%2Ftax%2Fstate-income"