Engagement-rate calculator API

Compute engagementRate = engagements / base (reach or followers) with a high/average/low rating. Deterministic social-media math. Answers 'what's my engagement rate','is my engagement rate good'.

Price$0.01per request

MethodPOST

Route/v1/calc/mkt-engagement-rate

StatusLive

MIME typeapplication/json

Rate limit120/minute

CacheNo cache

calcmarketingengagementratesocialreachfollowersmetrics

API URLhttps://x402.hexl.dev/v1/calc/mkt-engagement-rate

Integration docs

Example request

{
  "engagements": 4500,
  "base": 60000,
  "basis": "reach"
}

Example response

{
  "formula": "engagementRate = engagements / base",
  "engagements": 4500,
  "base": 60000,
  "basis": "reach",
  "engagementRate": 0.075,
  "engagementRatePercent": 7.5,
  "rating": "high"
}

Input schema

{
  "type": "object",
  "required": [
    "engagements",
    "base"
  ],
  "properties": {
    "engagements": {
      "type": "number",
      "description": "likes+comments+shares etc.",
      "examples": [
        4500
      ]
    },
    "base": {
      "type": "number",
      "description": "reach or followers denominator",
      "examples": [
        60000
      ]
    },
    "basis": {
      "type": "string",
      "description": "label for the base, e.g. reach or followers",
      "examples": [
        "reach"
      ]
    }
  }
}

Output schema

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