# Fernwood Invoicing help center > Step-by-step guides for Fernwood Invoicing. Each guide below links to a Markdown copy. The full text of every guide is at https://app.asterly.co/h/fernwood-invoicing-wst9/llms-full.txt. ## Guides - [Send a Fernwood invoice](https://app.asterly.co/h/fernwood-invoicing-wst9/send-your-first-invoice-7qnh.md): Use **Customers** with *care* and `invoice_id`.