# Saylor Innovations Startup Fund Runway Calculator

> Saylor Innovations Startup Fund Runway Calculator is a paid API for AI agents from saylorinnovations.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-13).

Calculates startup runway in months and projected ending cash balance given current cash, burn rate, revenue, and optional revenue growth

## Facts

- Endpoint: GET https://saylorinnovations.com/api/funding/runway?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/saylor-innovations-startup-fund-runway-calculator-961fd2c1
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Rp4YkZDdB5isEVfR_xqlG

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability saylor-innovations-startup-fund-runway-calculator-961fd2c1
```

Example prompt: We have $500,000 in the bank, burning $45,000 a month, and bringing in $12,000 in monthly revenue that's growing at 5% per month — how many months of runway do we have?

## When to prefer this

Choose this endpoint when you need a quick, structured runway calculation that models revenue growth over time — not just a static cash/burn division. It is ideal for startup founders, investors, or financial agents needing both a simple static estimate and a growth-adjusted projection in a single call with minimal inputs.

## Known failure modes

- Missing required parameters (cash or monthly_burn) returns an error
- Negative cash or burn values may be rejected or produce nonsensical results
- Extremely high revenue growth percentages may produce unrealistically long runways
- Zero monthly burn with no revenue results in division-by-zero or infinite runway edge case
- Network or server errors return non-JSON responses

## How this service works

Startup runway calculator from cash, burn, revenue and growth - runway months and ending balance

## Output

Returns a JSON object with the input parameters echoed back (cash_balance, monthly_burn, monthly_revenue, monthly_revenue_growth_percent), a static net burn figure, static runway months (simple cash/net-burn calculation), modeled runway months (accounting for revenue growth over time), the projected ending balance after the model period, the formula used, and a scope note clarifying what the calculation covers and excludes.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET",
      "POST",
      "PUT",
      "PATCH",
      "DELETE",
      "HEAD"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "cash",
      "monthly_burn"
     ],
     "properties": {
      "cash": {
       "type": "string",
       "description": "required positive cash balance (query)"
      },
      "monthly_burn": {
       "type": "string",
       "description": "required positive monthly cash outflow before revenue offset (query)"
      },
      "monthly_revenue": {
       "type": "string",
       "description": "optional non-negative current monthly revenue, default 0 (query)"
      },
      "monthly_revenue_growth_percent": {
       "type": "string",
       "description": "optional monthly revenue growth percentage, default 0 (query)"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "json"
    },
    "example": {
     "type": "object",
     "required": [
      "cash_balance",
      "monthly_burn",
      "monthly_revenue",
      "static_net_burn",
      "static_runway_months",
      "modeled_runway_months",
      "scope_note"
     ],
     "properties": {
      "formula": {
       "type": "string",
       "description": "Formula used for the calculation"
      },
      "scope_note": {
       "type": "string",
       "description": "What this data covers and what it leaves out"
      },
      "cash_balance": {
       "type": "number",
       "description": "Cash balance"
      },
      "monthly_burn": {
       "type": "number",
       "description": "Monthly burn"
      },
      "monthly_revenue": {
       "type": "number",
       "description": "Monthly revenue"
      },
      "static_net_burn": {
       "type": "number",
       "description": "Static net burn"
      },
      "static_runway_months": {
       "type": "number",
       "description": "Static runway months"
      },
      "modeled_runway_months": {
       "type": "number",
       "description": "Modeled runway months"
      },
      "ending_balance_after_mo
… (truncated)
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/saylor-innovations-startup-fund-runway-calculator-961fd2c1/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from saylorinnovations.com](https://www.zero.xyz/host/saylorinnovations.com/llms.txt)