Evaluate JsonLogic rule API

Evaluates a JsonLogic expression against a data object (var, comparisons, and/or/not, arithmetic, if, in, missing) and returns the result, truthiness and type. Answers 'Does this rule pass for this data?', 'What value does this JsonLogic produce?'.

Price$0.02per request

MethodPOST

Route/v1/workflow/jsonlogic-eval

StatusLive

MIME typeapplication/json

Rate limit120/minute

Cache0s public

jsonlogicrulerules-engineevaluatelogicconditionbooleanworkflow

API URLhttps://x402.hexl.dev/v1/workflow/jsonlogic-eval

Integration docs

Example request

{
  "rule": {
    ">": [
      {
        "var": "age"
      },
      18
    ]
  },
  "data": {
    "age": 25
  }
}

Example response

{
  "result": true,
  "truthy": true,
  "resultType": "boolean",
  "interpretation": "Rule evaluated to true (truthy)."
}

Input schema

{
  "type": "object",
  "required": [
    "rule"
  ],
  "properties": {
    "rule": {
      "description": "A JsonLogic expression object",
      "examples": [
        {
          ">": [
            {
              "var": "age"
            },
            18
          ]
        }
      ]
    },
    "data": {
      "type": "object",
      "description": "Data the rule reads via var",
      "examples": [
        {
          "age": 25
        }
      ]
    }
  }
}

Output schema

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