Computes a loan's amortization schedule and payment breakdown
Computes a loan's amortization schedule and payment breakdown. Same backend as loan-amortization-calculator, focused on scheduled payment, payoff months, total paid, and interest saved. Use it as an amortization schedule API, loan payment schedule, or debt amortization calculator.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
20 msmedian answer time
$0.01listed price per call
$0.01price 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
POST https://x402.agentutility.ai/amortization-schedule
| Category | Everything else |
|---|---|
| Provider host | x402.agentutility.ai |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.01 | 20 ms |
Example input (from the provider)
{
"body": {
"annual_rate": 6.8,
"extra_monthly_payment": 250,
"principal": 420000,
"term_years": 30
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"annual_rate": {
"description": "Annual interest rate as percent.",
"type": "number"
},
"extra_monthly_payment": {
"description": "Optional extra monthly principal payment. Default 0.",
"type": "number"
},
"principal": {
"description": "Initial loan principal.",
"type": "number"
},
"term_months": {
"description": "Loan term in months.",
"type": "number"
},
"term_years": {
"description": "Alternative loan term in years when term_months is omitted.",
"type": "number"
}
},
"required": [
"principal",
"annual_rate"
]
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"calculator": {
"type": "string"
},
"drivers": {
"items": {
"properties": {
"name": {
"type": "string"
},
"note": {
"type": "string"
},
"score": {
"type": "number"
},
"weight": {
"type": "number"
}
},
"type": "object"
},
"type": "array"
},
"grade": {
"type": "string"
},
"metrics": {
"properties": {
"payoff_months": {
"type": "integer"
},
"total_interest": {
"type": "number"
},
"total_monthly_payment": {
"type": "number"
}
},
"type": "object"
},
"recommendation": {
"type": "string"
},
"score": {
"type": "number"
},
"source": {
"type": "string"
},
"warnings": {
"type": "array"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}