Cost monitoring and budgets in Firebase - Commands & Configuration

Introduction

Keeping track of how much your Firebase project costs helps you avoid surprises in your bill. Setting budgets lets you get alerts when spending reaches certain limits, so you can control your expenses easily.

When you want to know how much your Firebase project is spending each month.

When you want to get notified if your costs go above a certain amount.

When you want to plan your Firebase usage to stay within a budget.

When you want to see which Firebase services are costing you the most.

When you want to avoid unexpected charges on your Firebase account.

Commands

This command creates a budget for your Firebase billing account with alerts at 50%, 90%, and 100% of $100 budget.

Terminal

gcloud beta billing budgets create --billing-account=012345-6789AB-CDEF01 --display-name="My Firebase Budget" --amount=100 --threshold-rules=thresholdPercent=0.5,spendBasis=CURRENT_SPEND --threshold-rules=thresholdPercent=0.9,spendBasis=CURRENT_SPEND --threshold-rules=thresholdPercent=1.0,spendBasis=CURRENT_SPEND

Expected Output

Created budget: projects/1234567890/billingAccounts/012345-6789AB-CDEF01/budgets/abcdef12-3456-7890-abcd-ef1234567890

→

--billing-account - Specifies the billing account ID to apply the budget.

→

--display-name - Names the budget for easy identification.

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--amount - Sets the budget amount in USD.

This command shows the details of the budget you created, so you can verify the settings.

Terminal

gcloud beta billing budgets describe projects/1234567890/billingAccounts/012345-6789AB-CDEF01/budgets/abcdef12-3456-7890-abcd-ef1234567890

Expected Output

name: projects/1234567890/billingAccounts/012345-6789AB-CDEF01/budgets/abcdef12-3456-7890-abcd-ef1234567890

displayName: My Firebase Budget

amount:

  specifiedAmount:

    currencyCode: USD

    units: "100"

thresholdRules:

- thresholdPercent: 0.5

  spendBasis: CURRENT_SPEND

- thresholdPercent: 0.9

  spendBasis: CURRENT_SPEND

- thresholdPercent: 1.0

  spendBasis: CURRENT_SPEND

This command lists all budgets for your billing account to see all your cost controls at once.

Terminal

gcloud beta billing budgets list --billing-account=012345-6789AB-CDEF01

Expected Output

budgets:

- name: projects/1234567890/billingAccounts/012345-6789AB-CDEF01/budgets/abcdef12-3456-7890-abcd-ef1234567890

  displayName: My Firebase Budget

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--billing-account - Specifies which billing account to list budgets for.

Key Concept

If you remember nothing else from this pattern, remember: setting budgets with alerts helps you control Firebase costs before they get too high.

Common Mistakes

Not specifying the correct billing account ID when creating a budget.

The budget will not be linked to your Firebase project billing, so alerts won't work.

Always use the exact billing account ID shown in your Google Cloud Console billing page.

Setting budget thresholds too high or too low without considering actual usage.

You might get alerts too late or too often, making them ineffective or annoying.

Choose threshold percentages that give you enough time to react, like 50%, 90%, and 100%.

Summary

Use gcloud commands to create and manage budgets for your Firebase billing account.

Set alert thresholds to get notified when spending reaches important levels.

Check your budgets regularly to keep your Firebase costs under control.