# Guides

> Praeko API guides: publish a video end to end, upload media, webhooks, metrics and retention, errors and limits, and safe request retries.

Source: https://praeko.app/docs/en/guides

Walkthroughs for the most common tasks, written from the API's real behavior.

- [Publish a video end to end](https://praeko.app/docs/en/guides/publish-a-video): From media to a sent post, through the queue, a fixed time and checking the result.
- [Upload media: single file and parts](https://praeko.app/docs/en/guides/media): Sizes, accepted types, multipart upload and how to complete it.
- [Webhooks: events, signatures and retries](https://praeko.app/docs/en/guides/webhooks): Setup, the events, how to verify the signature and what happens on failure.
- [Metrics, retention and CTR](https://praeko.app/docs/en/guides/insights): Read post performance and the YouTube retention curve.
- [Errors and limits](https://praeko.app/docs/en/guides/errors-and-limits): The error envelope, the contract error codes and the API limits.
- [Retry a request without duplicates](https://praeko.app/docs/en/guides/idempotency): The Idempotency-Key header: retry POST, PATCH and DELETE without duplicating anything.