> For the complete documentation index, see [llms.txt](https://developers.alephee.com/v2/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.alephee.com/v2/orders/post-methods.md).

# POST methods

- [Attach a document to an order](https://developers.alephee.com/v2/orders/post-methods/attach-a-document-to-an-order.md): Set attached file with invoice / receipt / electronic fiscal invoice to an order.
- [Usage limiting](https://developers.alephee.com/v2/orders/post-methods/attach-a-document-to-an-order/usage-limiting.md): Current limits for this endpoint are described below
- [Allowed document types and formats](https://developers.alephee.com/v2/orders/post-methods/attach-a-document-to-an-order/allowed-document-types-and-formats.md)
- [Request and Response](https://developers.alephee.com/v2/orders/post-methods/attach-a-document-to-an-order/request.md): Request to the API endpoint
- [Examples](https://developers.alephee.com/v2/orders/post-methods/attach-a-document-to-an-order/examples.md)
- [Example using POSTMAN via form-data](https://developers.alephee.com/v2/orders/post-methods/attach-a-document-to-an-order/examples-1.md)
- [Example using POSTMAN via JSON body](https://developers.alephee.com/v2/orders/post-methods/attach-a-document-to-an-order/examples-2.md)
- [Attach a document to a shopping cart (pack)](https://developers.alephee.com/v2/orders/post-methods/attach-a-document-to-a-shopping-cart-pack.md): (Only for the Mercado Libre marketplace)
- [Split an order](https://developers.alephee.com/v2/orders/post-methods/split-an-order.md)
- [Usage limiting](https://developers.alephee.com/v2/orders/post-methods/split-an-order/usage-limiting.md): Current limits for this endpoint are described below
- [Request and Response](https://developers.alephee.com/v2/orders/post-methods/split-an-order/request.md): Request to the API endpoint
- [Type specifications](https://developers.alephee.com/v2/orders/post-methods/split-an-order/response.md): Response from the API endpoint...
- [Send a message to a buyer](https://developers.alephee.com/v2/orders/post-methods/send-a-message-to-a-buyer.md)
- [Usage limiting](https://developers.alephee.com/v2/orders/post-methods/send-a-message-to-a-buyer/usage-limiting.md): Current limits for this endpoint are described below
- [Business rules](https://developers.alephee.com/v2/orders/post-methods/send-a-message-to-a-buyer/business-rules.md)
- [Request and Response](https://developers.alephee.com/v2/orders/post-methods/send-a-message-to-a-buyer/request.md): Request to the API endpoint
- [Examples](https://developers.alephee.com/v2/orders/post-methods/send-a-message-to-a-buyer/examples.md)
- [Create a new order](https://developers.alephee.com/v2/orders/post-methods/create-a-new-order.md): Create a new order for a given account.
- [Usage limiting](https://developers.alephee.com/v2/orders/post-methods/create-a-new-order/usage-limiting.md): Current limits for this endpoint are described below
- [Introduction](https://developers.alephee.com/v2/orders/post-methods/create-a-new-order/introduction.md)
- [Business rules](https://developers.alephee.com/v2/orders/post-methods/create-a-new-order/business-rules.md)
- [Order mandatory sections](https://developers.alephee.com/v2/orders/post-methods/create-a-new-order/order-mandatory-sections.md)
- [Request and Response](https://developers.alephee.com/v2/orders/post-methods/create-a-new-order/request.md): Request to the API endpoint
- [Type specifications](https://developers.alephee.com/v2/orders/post-methods/create-a-new-order/response.md): Response from the API endpoint...
- [Examples](https://developers.alephee.com/v2/orders/post-methods/create-a-new-order/examples.md)