Calculators
50/30/20 budget allocator API
Allocate after-tax income into Needs (50%), Wants (30%), and Savings (20%) per the Warren 50/30/20 rule, comparing against actuals when provided to flag whether you're on track. Answers 'how to split $5000 with 50/30/20', 'how much for wants this month', 'am I over budget on needs'.
Price$0.01per request
MethodPOST
Route/v1/calc/budget-50-30-20
StatusLive
MIME typeapplication/json
Rate limit120/minute
CacheNo cache
budget50-30-20allocationneedswantssavingscalculatormoney
API URL
Integration docshttps://x402.hexl.dev/v1/calc/budget-50-30-20Example request
{
"afterTaxIncome": 5000
}Example response
{
"afterTaxIncome": 5000,
"targetNeeds": 2500,
"targetWants": 1500,
"targetSavings": 1000,
"rule": "50/30/20 (needs/wants/savings)"
}Input schema
{
"type": "object",
"required": [
"afterTaxIncome"
],
"properties": {
"afterTaxIncome": {
"type": "number",
"description": "Monthly after-tax income in dollars",
"examples": [
5000
]
},
"needs": {
"type": "number",
"description": "Actual needs spend in dollars",
"examples": [
2500
]
},
"wants": {
"type": "number",
"description": "Actual wants spend in dollars",
"examples": [
1500
]
},
"savings": {
"type": "number",
"description": "Actual savings in dollars",
"examples": [
1000
]
}
}
}Output schema
{
"type": "object",
"additionalProperties": true
}