SAFE (post-money) valuation calculator API

Y Combinator post-money SAFE math: ownership = investment / (postMoneyValuationCap × (1−discount)), and (given postMoneyShares) the conversion price and shares issued. Returns the investor's percent ownership on conversion. Answers 'what percent does this SAFE buy', 'how many shares does the SAFE convert into', 'what's my ownership at the cap'.

Price$0.016per request

MethodPOST

Route/v1/score/litfin-safe-valuation

StatusLive

MIME typeapplication/json

Rate limit120/minute

CacheNo cache

scoresafeventurevaluationcap-tableownershipstartupyc

API URLhttps://x402.hexl.dev/v1/score/litfin-safe-valuation

Integration docs

Example request

{
  "investment": 500000,
  "postMoneyValuationCap": 10000000,
  "discount": 0,
  "postMoneyShares": 10000000
}

Example response

{
  "ownership": 0.05,
  "ownershipPercent": 5,
  "effectiveCap": 10000000,
  "method": "ownership=investment/(cap×(1−discount)) [YC post-money SAFE]",
  "conversionPrice": 1,
  "sharesIssued": 500000
}

Input schema

{
  "type": "object",
  "required": [
    "investment",
    "postMoneyValuationCap"
  ],
  "properties": {
    "investment": {
      "type": "number",
      "examples": [
        500000
      ]
    },
    "postMoneyValuationCap": {
      "type": "number",
      "examples": [
        10000000
      ]
    },
    "discount": {
      "type": "number",
      "description": "0-0.9, optional",
      "examples": [
        0
      ]
    },
    "postMoneyShares": {
      "type": "number",
      "description": "optional, to compute conversion price & shares",
      "examples": [
        10000000
      ]
    }
  }
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}