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Summary

Monthly minimum contracts present an appealing pricing model for customers who can reliably predict their consistent usage, offering discounted rates in exchange for a committed baseline spend. This approach, while beneficial for predictable consumption, carries a key financial risk: under-utilization still incurs the minimum charge, whereas exceeding it results in invoicing based on actual usage, often with additional overage fees. Understanding the precise mechanics of how these contracts are billed is crucial for effective financial management. This guide explores the core calculation steps, ensuring you grasp the exact financial implications of such agreements.

Key Takeaways

  • Monthly minimum contracts offer discounted pricing as a reward for customers who can accurately forecast and commit to a baseline level of usage.
  • Customers face a financial risk if their actual usage falls below the committed monthly minimum, as they will still be invoiced for the full minimum amount.
  • If usage exceeds the contracted minimum, customers are billed for their total actual consumption, which includes the minimum plus any applicable overage charges.
  • The billing process for these contracts involves two main steps: calculating the actual monthly spend and then comparing it against the predetermined monthly minimum.
  • Accurate usage forecasting is paramount for customers to fully leverage the benefits of monthly minimum contracts and effectively mitigate potential financial risks.

In scenarios where the customer is able to confidently forecast a minimum level of usage that they will need each month, a monthly minimum contract can be an attractive option. With the monthly minimum contract, the customer agrees to a commit to a baseline level of spend in exchange for a discounted price.

There is risk to the customer if the forecast usage proves to be lower than anticipated. If the customer uses less than the forecasted amount, they will be invoiced for the monthly minimum. If the customer uses greater than the forecasted amount, they are invoiced for their actual usage (which is effectively the monthly minimum plus overage fees).

For a monthly minimum contract, the rating process can be complex. The rating engine will need to perform two primary steps during each monthly billing cycle. 
  • Actual Monthly Spend Calculation – The engine will calculate the actual monthly spend based upon the customer’s consumption.
  • Comparison of Actual Spend to Monthly Minimum – The rating engine will then compare the actual spend to the monthly minimum to determine if it is higher or lower, which will determine what amount to invoice.

Let’s review the process for how the rating engine computes charges for contracts with monthly minimums in more detail with examples.

Step 1

Calculate the Actual Monthly Spend

First the rating engine will calculate the actual monthly spend for the customer during the period. To arrive at the charges, the billable usage quantity will be multiplied by the applicable price for each product. The sub-totals for each product are then summed up to arrive at a total, actual monthly spend.

Suppose for example that a customer agrees to a monthly minimum spend of $10,000 for products A and B. The customer uses 1,000 units of product A, which is priced at $2 per unit and 5,000 units of product B, which is priced at $1 per unit.

The actual monthly spend would equal

  • Product A = 1000 units x $2/unit = $2,000
  • Product B = 5000 units x $1/unit = $5,000
  • Total = $2000 + $5000 = $7,000

Note: In some cases, certain products may be ineligible to be included in the monthly spend totals. These ineligible product should be subtracted from the monthly spend total.

Step 2

Compare Actual Spend to Monthly Minimum

Next, the actual monthly spend will be compared to the contracted monthly minimum.  If the actual spend is more than the contracted minimum, then an overage has occurred and the actual spend will be invoiced.  If the actual spend is less than the contracted minimum, then the minimum will be invoiced.  Some SaaS and cloud providers might price the overage usage at a different rate which will require additional calculations.

Continuing the example from above, the customer had committed to a monthly minimum spend of $10,000, which is more than the $7,000 determined from the calculations.  As a result, the minimum $10,000 will be invoiced.

Conclusion

Mastering the intricacies of monthly minimum contracts is essential for businesses aiming to optimize their spending while benefiting from discounted rates. By understanding the precise calculation steps—from accurately assessing actual usage to comparing it against committed minimums—companies can confidently navigate these agreements. Accurate forecasting remains the cornerstone for maximizing the benefits and avoiding unexpected charges, ensuring these contracts serve as a true advantage rather than a hidden cost.

Frequently Asked Questions 

What is usage-based billing with a monthly minimum?

Usage-based billing with a monthly minimum is a pricing model where customers pay a fixed minimum fee each month, which covers a certain amount of usage. If their actual usage exceeds this predefined threshold, they are then billed for the overage based on their consumption, typically at a per-unit rate.

How does a monthly minimum benefit businesses using usage-based pricing?

Monthly minimums provide businesses with a predictable baseline revenue, helping to mitigate the volatility often associated with pure usage-based models. It ensures a consistent income stream while still offering customers the flexibility and fairness of paying for what they use beyond the minimum commitment.

What happens if a customer’s usage is below the monthly minimum?

If a customer’s usage falls below the monthly minimum, they are still charged the agreed-upon minimum fee. This fee acts as a commitment, ensuring the business receives a baseline payment even during periods of low usage, while the customer retains access to the service.

How do monthly minimums help prevent revenue unpredictability in SaaS?

Monthly minimums introduce a floor to revenue generation. Even if individual customer usage fluctuates significantly, the minimum commitment guarantees a certain level of income from each subscriber, making overall revenue forecasting more stable and predictable for SaaS businesses.

How does usage-based billing with minimums differ from prepaid credits?

With usage-based billing and a monthly minimum, customers pay a recurring fee and then for any overages. Prepaid credits, conversely, require customers to purchase a fixed amount of service in advance, which is then drawn down with usage. Minimums ensure a recurring baseline, while prepaid credits are a one-time purchase that can be depleted.

What are key considerations for implementing usage-based billing with monthly minimums?

Key considerations include defining clear usage thresholds, setting appropriate minimum fees that align with customer value, ensuring transparent overage pricing, selecting robust billing software that can accurately track usage and manage complex pricing rules, and clearly communicating the model to customers.

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Ordway

Ordway: Ordway is a billing and revenue automation platform that is specifically designed for today’s innovative, technology-centric business models. With Ordway you can automate billing, revenue recognition, and investor KPIs for recurring revenue from subscriptions or usage-based pricing models.