About

Cloud Functions for Firebase is a serverless backend platform that lets developers run application logic without provisioning or managing servers. It supports event-driven execution from Firebase products, HTTPS requests, the Admin SDK, and Cloud Scheduler jobs.

The service is designed to help teams build secure, scalable backend workflows for mobile and web apps. Functions can respond to database changes, authentication events, analytics conversions, and other triggers while remaining isolated from client-side code.

  • Event-driven functions for Firebase and Google Cloud triggers
  • Managed serverless execution environment
  • Automatic scaling based on demand
  • Support for JavaScript and Python functions
  • Private server-side logic that is not exposed to clients

Free Tier Value

58
FTV score
Signup credit $300
Credit card Not required
Feature parity 50%

The pricing page explicitly shows Cloud Functions under the Spark plan with no-cost quotas, and Blaze as pay-as-you-go with the same Spark quotas included. Because this is a capped recurring free tier, the conservative FTV is the value of the included free quotas, but the page does not provide enough concrete paid-rate detail here to reliably price all components from the page alone, so I’m leaving free_tier_value_usd_per_month null rather than fabricating a number. The page also states Spark requires no payment method, so no_cc_required is true.

What's included in the free tier

  • No-cost up to 2 million Cloud Functions invocations per month.
  • No-cost up to 400,000 GB-seconds of execution time per month.
  • No-cost up to 200,000 CPU-seconds of execution time per month.
  • No-cost up to 5 GB of outbound networking per month.
  • No-cost up to 120 Cloud Build minutes per day.
  • No-cost up to 500 MB of container storage in Artifact Registry.

Paid plans

Blaze plan

Usage-based
Pay as you go (Blaze plan)
Cloud Functions invocations
2 million/month no-cost
GB-seconds
400,000/month no-cost
CPU-seconds
200,000/month no-cost
Outbound networking
5 GB/month no-cost
Cloud Build minutes
120 minutes/day no-cost
Artifact Registry storage
500 MB no-cost
  • Access more services and higher usage levels
  • No-cost usage from Spark plan included
  • If eligible, get $300 in free credit

Pricing extracted from Cloud Functions for Firebase's pricing page. Always verify current pricing before committing.