Api Endpoint

manylives.me

Exact finance maths: loan repayment and total interest, compound growth with regular contributions, NPV and IRR of cash flows, and ROI with annualised return.

Open interactive test console

Offering

Provider
manylives.me
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Financial Analysis
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://manylives.me/paid/calc/finance
MIME type
Not provided
First seen
2026-10-16T01:58:48.885Z
Last seen
Tags
None supplied

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.002 USDC
Atomic price: 2000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "2000",
    "payTo": "0xD161874249321F8AE3000C19DdD070e46682f1B3"
  }
]

Observed health

Status
Degraded
Latest latency
56 ms
Average latency
838 ms
HTTP status
302
Last checked
Reachability
100% over 12 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "properties": {
    "method": {
      "const": "GET",
      "type": "string"
    },
    "queryParams": {
      "properties": {
        "contribution": {
          "description": "compound: added each period",
          "type": "string"
        },
        "cost": {
          "description": "roi: amount invested",
          "type": "string"
        },
        "flows": {
          "description": "npv/irr: comma-separated cash flows, first is usually negative",
          "type": "string"
        },
        "op": {
          "description": "loan, compound, npv, irr or roi (required)",
          "examples": [
            "loan"
          ],
          "type": "string"
        },
        "payments_per_year": {
          "description": "loan: default 12",
          "type": "string"
        },
        "periods_per_year": {
          "description": "compound: default 12",
          "type": "string"
        },
        "principal": {
          "description": "loan/compound: starting amount",
          "examples": [
            "400000"
          ],
          "type": "string"
        },
        "rate": {
          "description": "annual rate in percent (loan, compound, npv)",
          "examples": [
            "6"
          ],
          "type": "string"
        },
        "value": {
          "description": "roi: final value",
          "type": "string"
        },
        "years": {
          "description": "loan/compound/roi: years",
          "examples": [
            "30"
          ],
          "type": "string"
        }
      },
      "required": [
        "op"
      ],
      "type": "object"
    },
    "type": {
      "const": "http",
      "type": "string"
    }
  },
  "required": [
    "type",
    "method"
  ],
  "type": "object"
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "properties": {
        "method": {
          "const": "GET",
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "contribution": {
              "description": "compound: added each period",
              "type": "string"
            },
            "cost": {
              "description": "roi: amount invested",
              "type": "string"
            },
            "flows": {
              "description": "npv/irr: comma-separated cash flows, first is usually negative",
              "type": "string"
            },
            "op": {
              "description": "loan, compound, npv, irr or roi (required)",
              "examples": [
                "loan"
              ],
              "type": "string"
            },
            "payments_per_year": {
              "description": "loan: default 12",
              "type": "string"
            },
            "periods_per_year": {
              "description": "compound: default 12",
              "type": "string"
            },
            "principal": {
              "description": "loan/compound: starting amount",
              "examples": [
                "400000"
              ],
              "type": "string"
            },
            "rate": {
              "description": "annual rate in percent (loan, compound, npv)",
              "examples": [
                "6"
              ],
              "type": "string"
            },
            "value": {
              "description": "roi: final value",
              "type": "string"
            },
            "years": {
              "description": "loan/compound/roi: years",
              "examples": [
                "30"
              ],
              "type": "string"
            }
          },
          "required": [
            "op"
          ],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}