> ## Documentation Index
> Fetch the complete documentation index at: https://docs.sequencehq.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Self-serve plans

> How to use Sequence with standard pricing plans or packages

If your business offers standard pricing packages, you can flexibly model plans using prices in Sequence. Products help you track provisioning, and prices track the different variations in pricing. Prices define the unit cost, model, currency, billing frequency and billing type.

Prices act as core building blocks in Sequence. When you’re creating a new billing schedule for a customer, you will reference the PriceId of each Price you want to bill them for. Prices can be reused across customers. In a sales-led flow, prices will often be unique to customers, since each price may have undergone custom adjustments. In a self-serve flow, prices are reused by customers.

## Worked example

Amara offers two self-serve plans for their product: Start and Scale.

| Self-serve plans | Start              | Scale                                             |
| ---------------- | ------------------ | ------------------------------------------------- |
| Includes         | Platform access    | Platform access                                   |
|                  |                    | AI Add-on                                         |
| Pricing          | **£500** per month | **£500** per month + usage fee based on API calls |

The Start plan includes **Platform access**, granting access to base functionality in the platform. The Scale plan includes Amara's **AI add-on**.

#### Pricing

The list price for **Platform access** is £500 monthly in arrears. The list price for the **AI add-on** is based on the number of API Calls and billed monthly in arrears:

| Tier         | First unit | Last unit | Unit fee | Tier fee (flat) |
| ------------ | ---------- | --------- | -------- | --------------- |
| Minimum tier | 0          | 1000      | £0       | £250            |
| Tier 1       | 1001       | 2500      | £0.45    | £0              |
| Tier 2       | 2501       | ∞         | £0.65    | £0              |

#### Products and Prices in Sequence

In Sequence, Amara maintain two [products](/reference/latest/product/list-all-products), one for **Platform access** and one for **AI add-on**. Amara use products to determine what features a customer should be provisioned to.

In the below example, each product contains multiple [priceIds](/reference/latest/billing/get-a-price-by-id). In addition to the standard list prices used for Amara's self-serve plans, there are other price variants that are the result of custom sales deals.

**Products**:

* **Platform access**
  * Prices:
    * `A`: £500 per month, in arrears (**list** price)
    * `B`: £825 per month, in arrears (price variant)
    * `C`: £650 per month, in arrears (price variant)
    * `D`: £400 per month, in arrears (price variant)

* **AI add-on**
  * Prices:
    * `X`: 0-1000 included @ £250; \$0.45 overage fee (**list** price)
    * `Y`: 0-2000 included @ £150; \$0.40 overage fee (price variant)
    * `Z`: 0-5000 included @ £700; \$0.65 overage fee (price variant)

When a new customer signs up to the Scale Plan, Amara create a new billing schedule referencing the standard list price ids `A` for Platform access and price id `X` for AI add-on.