NPV, IRR, profitability index, payback and discounted payback for a cash-flow se
NPV, IRR, profitability index, payback and discounted payback for a cash-flow series with an accept or reject decision and NPV at several discount rates
Answers HTTP 404 without x402 payment termsour last check, 2026-10-18
0 of 1checks answered this week
n/amedian answer time
$0.01listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://saylorinnovations.com/api/finance/npv-irr
| Category | Everything else |
|---|---|
| Provider host | saylorinnovations.com |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-18 | no x402 terms | 404 | 219 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"cashflows": "-1000,300,400,500,200",
"rate": "0.08"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"POST",
"PUT",
"PATCH",
"DELETE",
"HEAD"
],
"type": "string"
},
"queryParams": {
"properties": {
"cashflows": {
"description": "Comma-separated cash flows, initial outlay first (negative)",
"type": "string"
},
"rate": {
"description": "optional discount rate decimal, default 0.10",
"type": "string"
}
},
"required": [
"cashflows"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"cashflows": {
"type": [
"array",
"null"
]
},
"decision": {
"type": "string"
},
"discount_rate": {
"description": "Discount rate",
"type": "number"
},
"discounted_payback_periods": {
"description": "Discounted payback periods",
"type": [
"number",
"null"
]
},
"irr": {
"type": [
"number",
"null"
]
},
"irr_percent": {
"description": "Irr, as a percentage",
"type": [
"number",
"null"
]
},
"note": {
"description": "Caveat or context for reading the result",
"type": "string"
},
"npv": {
"type": "number"
},
"npv_at_rates": {
"description": "Npv at rates",
"type": "array"
},
"payback_periods": {
"description": "Payback periods",
"type": [
"number",
"null"
]
},
"periods": {
"type": "number"
},
"profitability_index": {
"description": "Profitability index",
"type": [
"number",
"null"
]
},
"source": {
"description": "Data source the values come from",
"type": "string"
},
"total_undiscounted_return": {
"description": "Total undiscounted return",
"type": [
"number",
"null"
]
}
},
"required": [
"periods",
"npv",
"decision"
],
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}