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x402toll.com commerce sales-tax
https://x402toll.com/v1/commerce/sales-tax
answers 402
US sales tax — add or remove tax using the verified 2026 STATE base rate for any state + DC, plus an optional local rate. Flags gross-receipts states (HI/NM) and local-only states (AK).
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
- 74 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-15T14:33:55.693Z (4d ago)
- Category
- other
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402toll.com%2Fv1%2Fcommerce%2Fsales-tax"