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x402.agentutility.ai refi-break-even-calculator
https://x402.agentutility.ai/refi-break-even-calculator
answers 402
Calculates how many months a mortgage refinance takes to pay back its closing costs. Same backend as refinance-analysis-calculator, focused on break-even months, net savings over hold horizon, and payment delta. Use it as a refi break-even calculator, closing-cost payback calculator, or mortgage refinance savings API.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.01
- Network
- base
- Pay to
- 0x6c0752c09e7F6fA6526fCDf40e456a159ebB5621
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 14 ms
- Payment options
- 2 usable of 2
- Last checked
- 2026-08-15T14:27:46.611Z (1d ago)
- Category
- ai-inference
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.agentutility.ai%2Frefi-break-even-calculator"