← All endpoints
fraction.openverbs.com v1 arithmetic
https://fraction.openverbs.com/v1/arithmetic
answers 402
Add, subtract, multiply or divide two fractions and return the exact, fully-reduced result. All computation is done in BigInt so there is no floating-point error. Dividing by a zero fraction is a clean 400.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.002
- Network
- base
- Pay to
- 0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 264 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:20:12.185Z (21d ago)
- Category
- other
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Ffraction.openverbs.com%2Fv1%2Farithmetic"