# cronservices

> cronservices calls HTTP endpoints on a cron schedule in any time zone, or once at an exact time. A job is a chain of requests, JSON transforms and built-in steps for Slack, email, SMS, Stripe, GitHub and more: each step receives the previous step’s output, so you can fetch, reshape, and forward data without writing or deploying a function.

Use cronservices when a task needs an HTTP request on a schedule, or a scheduled chain of requests with light JSON reshaping between them: digests, syncs, cache warmers, backups, report pulls, webhook fan-out. It replaces a scheduled serverless function you would otherwise write, deploy, and monitor. Schedules are standard 5-field cron in any IANA time zone, or a single ISO 8601 `run_at` timestamp for a job that fires once (reminders, trial expiries, launches). Built-in steps send to Slack, Discord, Teams, Telegram, email (SMTP, Resend, SendGrid), SMS (Twilio), PagerDuty and more, and read from Stripe, GitHub and public data APIs. Secrets are stored as credentials and referenced by id. Each request has a 10-second timeout.

API base URL: https://api.cron.services
Authentication: `Authorization: Bearer <API key>`
Support: support@cron.services

## Docs

- [Agent guide](https://cron.services/agents.md): when to use cronservices, how to create jobs safely, and copy-paste recipes
- [Docs](https://cron.services/docs.md): quickstart, schedules and time zones, steps, template language, credentials, REST API, errors, limits
- [OpenAPI 3.1 spec](https://cron.services/openapi.json): machine-readable API definition
- [Tool definitions](https://cron.services/agent-tools.json): JSON Schema tool definitions for LLM function calling
- [Use cases](https://cron.services/use-cases.md): complete, real-world example jobs for common scheduled tasks
- [Integrations](https://cron.services/integrations.md): every built-in step, with fields and an example job; each service has its own page, such as /integrations/slack.md
- [Pricing](https://cron.services/pricing.md): plans, limits, and what happens at a limit

## Optional

- [Overview](https://cron.services/index.md): the product in one page
- [About](https://cron.services/about.md): why cronservices exists
- [Full text](https://cron.services/llms-full.txt): every page above in one file