# Understand the APIs

These guides explain the conventions shared across the MK.IO APIs, including authentication, pagination, rate limits, errors, and resource states.

### API overview

Learn the shared base URL, authentication, list responses, and resource states.

### Pagination

Understand how list responses expose pages of resources.

### Rate limits

Learn how the APIs communicate request limits.

### Error handling

Interpret API errors and handle failed requests.

### Resource states

Track the state of resources and long-running operations.

### Webhooks

Understand event notifications from the platform.