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Sindri Barista FIRE Calculator
x402
Sindri Barista FIRE Calculator is a paid API for AI agents from ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-02).
Simulates year-by-year net worth growth through a full-time saving phase, a part-time/barista income phase, and finally full financial independence, to find when each milestone is reached.
Price / call$0.01
Success—
StatusUnknown
How this service works
Barista FIRE calculator. Simulates net worth growth through a full-time-saving phase and then a reduced-target phase funded partly by part-time/side income after quitting full-time work, until full financial independence is reached.
Output
Returns a year-by-year simulation showing net worth progression through the full-time saving phase and the barista income phase, flagging the age and year at which the portfolio reaches the target for full financial independence based on the specified safe withdrawal rate and retirement spending.
Example use cases
Early part-time transition planning
“I'm 32 with $150,000 saved, making $85,000/year and spending $55,000/year. I want to drop to barista/part-time work at age 42 earning $20,000/year with retirement spending of $45,000. Using 7% returns, 3% inflation, and a 4% withdrawal rate, when will I be fully financially independent?”
Mid-career FIRE timeline check
“I'm 40 years old, have $350,000 invested, earn $120,000/year and currently spend $80,000/year. I'm planning to quit full-time at 50 and pick up side income of $30,000/year, and my retirement spending target is $70,000/year. Simulate my barista FIRE path assuming 7% returns, 3% inflation, and 4% SWR.”
Aggressive early barista FIRE scenario
“Run a barista FIRE calculation for me — I'm 28, have $80,000 invested, earning $75,000/year spending $40,000/year. I want to go part-time at 38 with $15,000/year side income and live on $35,000/year in retirement. Use default assumptions for return rate, inflation, and safe withdrawal rate.”
Technical details
Endpoint
POSThttps://ppu43fkyhimq5fiqpmo42eh5ri0yypid.lambda-url.us-east-1.on.aws/baristaFireCalculator?utm_source=zero.xyzWhen to prefer
Use this endpoint when a user specifically plans a two-phase semi-retirement strategy: first switching from full-time work to part-time or side income before reaching full financial independence. Prefer this over a standard FIRE calculator when the part-time income bridge is central to the plan. Use Fat FIRE calculator instead when targeting a higher spending lifestyle without a barista phase.
Side effects
- Missing required fields (currentAge, baristaAge, currentNetWorth, currentAnnualIncome, currentAnnualSpending, baristaAnnualIncome, retirementAnnualSpending) result in validation errors
- baristaAge less than or equal to currentAge may produce undefined behavior
- Unrealistically high investment return rates may produce misleading projections
- If barista income covers all retirement spending, full FIRE may never technically be triggered
- Payment failure (x402) if USDC balance is insufficient
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| swr | number | Safe withdrawal rate, as a fraction. Default 0.04. |
| baristaAge | number | Age at which you switch to part-time/side income. |
| currentAge | number | Your current age in years. |
| inflationRate | number | Expected annual inflation rate, as a fraction. Default 0.03. |
| currentNetWorth | number | Current invested net worth. |
| baristaAnnualIncome | number | Expected part-time/side income after the barista transition. |
| currentAnnualIncome | number | Current full-time annual income. |
| investmentReturnRate | number | Expected annual investment return, as a fraction. Default 0.07. |
| currentAnnualSpending | number | Current annual spending. |
| retirementAnnualSpending | number | Expected annual spending during the barista and retirement phases. |
Tags
x402
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