Sales efficiency (gross-margin-adjusted) calculator API

Compute Bessemer-style sales efficiency = (net-new ARR * grossMargin) / prior S&M — the margin-weighted CAC-ratio cousin of the magic number — with a rating (>1 highly-efficient, >0.8 efficient) and breakdown. Answers 'what is my sales efficiency','is my GTM margin-efficient','how efficient is my sales spend'.

Price$0.01per request

MethodPOST

Route/v1/calc/saas-sales-efficiency

StatusLive

MIME typeapplication/json

Rate limit120/minute

CacheNo cache

saassales-efficiencycac-ratiogtmstartupmetricsmargincalc

API URLhttps://x402.hexl.dev/v1/calc/saas-sales-efficiency

Integration docs

Example request

{
  "newArr": 200000,
  "grossMarginPct": 75,
  "priorSalesMarketing": 150000
}

Example response

{
  "salesEfficiency": 1,
  "rating": "highly-efficient",
  "formula": "salesEfficiency = (net-new ARR * grossMargin) / prior S&M",
  "breakdown": {
    "newArr": 200000,
    "grossMarginPct": 75,
    "priorSalesMarketing": 150000
  }
}

Input schema

{
  "type": "object",
  "required": [
    "newArr",
    "grossMarginPct",
    "priorSalesMarketing"
  ],
  "properties": {
    "newArr": {
      "type": "number",
      "description": "net-new ARR added (currency)",
      "examples": [
        200000
      ]
    },
    "grossMarginPct": {
      "type": "number",
      "description": "gross margin 0-100",
      "examples": [
        75
      ]
    },
    "priorSalesMarketing": {
      "type": "number",
      "description": "prior-period S&M spend (currency)",
      "examples": [
        150000
      ]
    }
  }
}

Output schema

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