# Product & Order Guide

- [Products and Specs](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/products-and-specs.md)
- [Postcards](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/products-and-specs/postcards.md)
- [Personal Letters](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/products-and-specs/personal-letters.md)
- [Professional Letters](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/products-and-specs/professional-letters.md)
- [Snap Pack Mailers](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/products-and-specs/snap-pack-mailers.md)
- [Bi-Fold Self-Mailers](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/products-and-specs/bi-fold-self-mailers.md)
- [Tri-Fold Self-Mailers](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/products-and-specs/tri-fold-self-mailers.md)
- [Real Penned Letters](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/products-and-specs/real-penned-letters.md)
- [Envelope Options](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/envelope-options.md)
- [Sender Fields & Sender Profiles](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/sender-fields-and-sender-profiles.md)
- [What Are Sender Fields?](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/sender-fields-and-sender-profiles/what-are-sender-fields.md)
- [How to Add a Sender Profile](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/sender-fields-and-sender-profiles/how-to-add-a-sender-profile.md)
- [What Happens After You Add a Sender Profile](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/sender-fields-and-sender-profiles/what-happens-after-you-add-a-sender-profile.md)
- [How the Merge Works](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/sender-fields-and-sender-profiles/how-the-merge-works.md)
- [Mail Class Options: First Class vs Standard](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/mail-class-options-first-class-vs-standard.md)
- [Creating a Template](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/creating-a-template.md)
- [Changing the Address Block Color](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/creating-a-template/changing-the-address-block-color.md)
- [Variable Merge Fields & Personalization](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/creating-a-template/variable-merge-fields-and-personalization.md)
- [Adding Mailing Date & Response Date](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/creating-a-template/adding-mailing-date-and-response-date.md)
- [Design Guidelines for Your Mailer](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/creating-a-template/design-guidelines-for-your-mailer.md)
- [QR Codes and Campaign Tracking](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/creating-a-template/qr-codes-and-campaign-tracking.md)
- [Placing an Order](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/placing-an-order.md)
- [Order Processing & Mail Schedule (EST)](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/order-processing-and-mail-schedule-est.md)
- [Importing Contact](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/importing-contact.md)
- [Proper Case in Data Import](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/proper-case-in-data-import.md)
- [Tracking Number](https://help.openletterconnect.com/olc-help-docs/product-and-order-guide/tracking-number.md)


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://help.openletterconnect.com/olc-help-docs/product-and-order-guide.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.