Financial-independence number from yearly spending and a withdrawal rate, and ye
Financial-independence number from yearly spending and a withdrawal rate, and years to reach it from savings and contributions.
Not tested: has real-world effectsour last check, 2026-10-21
0 of 0checks answered this week
n/amedian answer time
$0.02listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://invest-math.x402tookit.com/fire-number
| Category | Everything else |
|---|---|
| Provider host | invest-math.x402tookit.com |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
We never call tools that send, buy, move money or file anything, not even without paying.
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"annualSpending": 40000,
"currentSavings": 100000,
"realReturnPct": 5,
"withdrawalRatePct": 4,
"yearlyContribution": 20000
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"annualSpending": {
"description": "Yearly spending you want to cover",
"type": "number"
},
"currentSavings": {
"description": "Invested savings today, default 0",
"type": "number"
},
"realReturnPct": {
"description": "Yearly return after inflation in percent, default 5",
"type": "number"
},
"withdrawalRatePct": {
"description": "Safe withdrawal rate in percent, 2 to 10 (default 4)",
"type": "number"
},
"yearlyContribution": {
"description": "What you add each year, default 0",
"type": "number"
}
},
"required": [
"annualSpending"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"currentSavings": {
"type": [
"null",
"number"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"fireNumber": {
"type": [
"null",
"number"
]
},
"impliedMultiple": {
"type": [
"null",
"number"
]
},
"monthlySpendingCovered": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"progressPct": {
"type": [
"null",
"number"
]
},
"reachable": {
"type": [
"boolean",
"null"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"verdict": {
"type": [
"null",
"string"
]
},
"withdrawalRatePct": {
"type": [
"null",
"number"
]
},
"yearsToTarget": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}