# Crontab Generator API

> Crontab Generator API is a paid API for AI agents from crontab-generator.api.klymax402.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-15).

Converts a natural language schedule description into a valid cron expression

## Facts

- Endpoint: GET https://crontab-generator.api.klymax402.com/api/generate
- Price: $0.003/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/crontab-generator-api-d80bcb21
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_LGUK5h_0c-EKGe9mbQTgn

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability crontab-generator-api-d80bcb21
```

Example prompt: Can you give me the cron expression for running a job every weekday at 9am?

## When to prefer this

Use this endpoint when you need to quickly convert a human-readable schedule description into a valid cron expression without manually crafting cron syntax. It is ideal for developers or automation agents that receive scheduling instructions in plain English and need to produce machine-readable crontab entries.

## Known failure modes

- Ambiguous or unsupported natural language descriptions may produce incorrect or generic cron expressions
- Missing or empty description parameter returns an error
- Highly complex or edge-case schedules (e.g. 'every other Thursday except holidays') may not be accurately converted
- Service unavailability returns a non-200 HTTP response

## How this service works

Generate a cron expression from natural language

## Output

A valid cron expression string (e.g. '0 9 * * 1-5') that can be pasted directly into a crontab or scheduler configuration, derived from the natural language schedule provided.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "description": {
   "type": "string",
   "description": "Natural language description of the schedule (e.g. 'every Monday at 9am', 'twice a day', 'every 5 minutes')"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/crontab-generator-api-d80bcb21/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from crontab-generator.api.klymax402.com](https://www.zero.xyz/host/crontab-generator.api.klymax402.com/llms.txt)