Percentage Calculator

Conversion REST API

Calculate percentages: X% of Y, percent change, increase, or decrease.

This page documents the HTTP endpoint POST /api/tools/percentage/execute.

View as Markdown

Call it over REST

POST https://api.findutils.com/api/tools/percentage/execute · no API keys · 60 requests/min per IP

Execute — verified arguments

curl -X POST https://api.findutils.com/api/tools/percentage/execute \
  -H "Content-Type: application/json" \
  -d '{
    "mode": "of",
    "x": 15,
    "y": 200
  }'

Parameter schema for this endpoint

curl https://api.findutils.com/api/tools/percentage

Interactive docs · OpenAPI 3.1 spec · All REST tools

Input schema

Argument Type Required Description
mode string (of | change | increase | decrease | what_percent) yes
x number yes First number (see mode description).
y number yes Second number (see mode description).

Example arguments (verified)

{
  "mode": "of",
  "x": 15,
  "y": 200
}

MCP

This tool is served over the REST API only. 292 other tools are also callable from Claude and any MCP client — see the MCP server.

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