{"uid":"cap_Rp4YkZDdB5isEVfR_xqlG","slug":"saylor-innovations-startup-fund-runway-calculator-961fd2c1","name":"Saylor Innovations Startup Fund Runway Calculator","description":"Startup runway calculator from cash, burn, revenue and growth - runway months and ending balance","url":"https://saylorinnovations.com/api/funding/runway?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"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 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startup runway in months and projected ending cash balance given current cash, burn rate, revenue, and optional revenue growth","exampleAgentPrompt":"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?","exampleUseCases":[{"title":"Pre-seed founder checks cash runway","prompt":"We just closed a $300k pre-seed round, we're burning $25,000 a month, and we have zero revenue yet — how many months of runway does that give us?"},{"title":"Growth-stage startup models revenue impact","prompt":"Our startup has $1.2 million cash, $80,000 monthly burn, and $30,000 in monthly revenue growing at 8% per month — can you calculate our runway and show what our ending balance looks like?"},{"title":"Investor pitch runway slide prep","prompt":"We need to show investors our runway: we have $750,000 in the bank, $60,000 monthly burn, and $15,000 monthly revenue with 3% monthly growth — give me the static and modeled runway numbers."}],"resultDescription":"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.","failureModes":["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"],"whenToPreferThis":"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.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T12:46:24.503Z","isFirstParty":false,"canonicalSlug":"saylor-innovations-startup-fund-runway-calculator-961fd2c1"}