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Tools.Town
290+ free online tools

Cron Expression Parser API

Translate 5-field POSIX cron expressions into plain English with field breakdown and the next 5 scheduled runs.

Category: Developer Endpoint: /v1/text/cron/parse Method: POST Auth: API Key

Fast & Accurate

Get precise results instantly.

Easy Integration

Simple REST API with JSON response.

Developer Friendly

Clear docs and SDK examples.

Free to Start

5,000 free requests/month.

Endpoint

All requests should be made to the following endpoint:

POSThttps://api.tools.town/v1/text/cron/parse

Authentication

This endpoint requires an API Key. Include your API key in the request header.

Authorization: Bearer YOUR_API_KEY
You can get your API key from your dashboard.

Request Parameters

Send a POST request with JSON body.

ParameterTypeRequiredDescriptionExample
expressionstringThe expression parameter.0 9 * * 1

Example Request

curl -X POST "https://api.tools.town/v1/text/cron/parse" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "expression": "0 9 * * 1"
  }'

Error Codes

CodeMeaning
400Bad Request — missing or invalid parameter
401Unauthorized — API key missing or invalid
429Rate limit exceeded — free tier: 5,000 requests/month
500Internal Server Error — try again or contact support