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Webbersites calculator
https://api.webbersites.com/api/calc
answers 402
Evaluates an arithmetic expression with exact math.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.001
- Network
- base
- Pay to
- 0xdd5fcEa81CA6f1EB39FEd5B973DE794293B81ba6
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 165 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:08:19.864Z (20d ago)
- Category
- data
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.webbersites.com%2Fapi%2Fcalc"