Utilities Free Tier Available
CronParser
Validate cron syntax, get human-readable descriptions, and calculate next N execution times.
Free tier: Unlimited Method:
POST Quick Start
Get started with CronParser in 3 steps:
- 1. Get your free API key (instant, no credit card)
- 2. Activate your key to unlock all endpoints
- 3. Make your first request using the examples below
Endpoint
POST https://freeapitools.dev/api/v1/cron/parse
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
expression | string | Required | Cron expression (5 or 6 fields) |
next | number | Optional | Number of next runs to calculate |
api_key | string | Required | Your API key. Get one free → |
Code Examples
cURL
curl -X POST https://freeapitools.dev/api/v1/cron/parse \
-H "Content-Type: application/json" \
-d '{"expression":"example"}' Node.js / JavaScript
const response = await fetch('https://freeapitools.dev/api/v1/cron/parse', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'X-API-Key': 'YOUR_API_KEY'
},
body: JSON.stringify({"expression":"example"})
});
const data = await response.json();
console.log(data); Python
import requests
response = requests.post(
'https://freeapitools.dev/api/v1/cron/parse',
json={"expression":"example"},
headers={'X-API-Key': 'YOUR_API_KEY'}
)
print(response.json()) Example Response
{
"valid": true,
"description": "Every 5 minutes",
"next_runs": [
"2026-02-10T18:05:00Z"
]
} Rate Limits
| Plan | Limit | Price |
|---|---|---|
| Free | Unlimited | $0 / month |
| Enhanced (10x) | 10x free tier limits | $0 / month — complete compatibility check |
| Unlimited | No limits | $0 / month — send environment profile |
Start Using CronParser for Free
Get your API key instantly. No credit card, no signup form — just a simple API call.
Get Free API Key →