# Intelliprint Docs ## Docs - [Attaching Extra Documents](https://docs.intelliprint.net/advanced/attaching-extra-documents.md): You can attach terms and conditions, forms, brochures, flyers or other supplementary materials to your letters. - [Reusable Backgrounds](https://docs.intelliprint.net/advanced/reusable-backgrounds.md): Create a consistent look and feel across multiple letters by providing backgrounds for letterheads, logos, footer information and branding. - [Scheduling Print Jobs](https://docs.intelliprint.net/advanced/scheduling-prints.md): You can schedule your print jobs to be printed on a particular date. - [Sending Bulk Mail](https://docs.intelliprint.net/advanced/sending-bulk-mail.md): You can send letter or postcards to thousands of recipients at once. - [Cancelling Print Jobs](https://docs.intelliprint.net/general/cancelling.md): You can cancel a print job before it is printed. - [Envelope and Postcard Sizes](https://docs.intelliprint.net/general/envelope-and-postcard-sizes.md): You can send out your mail items in a variety of letter envelopes and postcard sizes. - [Postage Services](https://docs.intelliprint.net/general/postage-services.md): Intelliprint offers a plethora of postage services to choose from. - [Tracking Print Jobs](https://docs.intelliprint.net/general/tracking.md): Keep track of your mailings. - [Choose a Content Strategy](https://docs.intelliprint.net/get-started/choose-a-content-strategy.md): You can send items with Intelliprint in a number of ways. - [Submitting Print Jobs](https://docs.intelliprint.net/get-started/submitting.md): Submitting a print job sends your mail items for printing and shipping. - [Introduction](https://docs.intelliprint.net/index.md): The Intelliprint API is flexible and powerful. You can send letters and postcards, cancel them, track their status and more. The API is organised around [REST](https://w.wiki/4YH8). - [Errors](https://docs.intelliprint.net/technical/errors.md): The Intelliprint API returns errors in a standardised format. - [Rate Limits](https://docs.intelliprint.net/technical/rate-limits.md): The Intelliprint API enforces certain rate limits to prevent abuse. - [Webhooks](https://docs.intelliprint.net/technical/webhooks.md): The Intelliprint API provides webhooks for various events that happen during the life of a print job. ## OpenAPI Specs - [openapi](https://docs.intelliprint.net/openapi.json) ## Optional - [API Reference](https://docs.intelliprint.net/api)