---
title: "Authentication APIs: Which brands are most popular in search?"
description: "Compare the services developers add sign in with. Share of Search among Supabase, Auth0, Stytch, Clerk and Firebase Authentication, the authentication APIs Brandwave compares worldwide, using the same methodology, market, and reporting period. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time."
canonical: "https://gobrandwave.com/demand/global-en/categories/authentication-apis"
publisher: "Brandwave"
---

# Authentication APIs: Which brands are most popular in search?

Compare the services developers add sign in with. Share of Search among Supabase, Auth0, Stytch, Clerk and Firebase Authentication, the authentication APIs Brandwave compares worldwide, using the same methodology, market, and reporting period. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

## Key facts

- **Competitive set**: Authentication APIs
- **Market**: Global
- **Brands compared**: 5
- **Month measured**: Aug 2026
- **Highest Share of Search**: Supabase, 93.1%

## Which brand is most popular in search among authentication APIs worldwide?

- In August 2026, Supabase was the most searched among authentication APIs worldwide, with an estimated 1.9M branded searches and 93.1% estimated Share of Search within this set.
- Auth0 is in 2nd place, 89.3 percentage points behind at 3.8% Share of Search.
- Across the 11 months ending August 2026, Supabase’s estimated Share of Search among authentication APIs worldwide increased from 81.8% to 93.1%.
- Across the 11 months ending August 2026, Auth0’s estimated Share of Search among authentication APIs worldwide decreased from 10.9% to 3.8%.
- Across the 11 months ending August 2026, Stytch’s estimated Share of Search among authentication APIs worldwide decreased from 2.7% to 1.4%.
- Across the 11 months ending August 2026, Clerk’s estimated Share of Search among authentication APIs worldwide decreased from 2.5% to 1.3%.
- Across the 11 months ending August 2026, Firebase Authentication’s estimated Share of Search among authentication APIs worldwide decreased from 2.2% to 0.5%.
- Across the 11 months ending August 2026, Auth0’s estimated Share of Search among authentication APIs worldwide peaked at 10.9% in October 2025 and was lowest at 3.8% in June 2026.
- Across the 11 months ending August 2026, Stytch’s estimated Share of Search among authentication APIs worldwide peaked at 2.7% in October 2025 and was lowest at 1.1% in May 2026.

## Compare search popularity between leading brands

- [Supabase vs Auth0: compare search popularity](/demand/global-en/compare/auth0-vs-supabase): 93.1% against 3.8% Share of Search.

## How did search popularity change for authentication APIs worldwide in August 2026?

- Estimated monthly branded searches for Supabase worldwide rose 122.5% over 11 measured months, from 832K to 1.9M in August 2026.
- Estimated monthly branded searches for Firebase Authentication worldwide fell 55.4% over 11 measured months, from 22.2K to 9.9K in August 2026.
- Estimated monthly branded searches for Auth0 worldwide fell 32.2% over 11 measured months, from 111K to 75.3K in August 2026.

## Share of Search ranking

| Rank | Brand | Share of Search | Estimated monthly branded searches | Change vs prior month | Owned by |
| --- | --- | --- | --- | --- | --- |
| 1 | Supabase | 93.1% | 1.9M | +0.1% | Supabase |
| 2 | Auth0 | 3.8% | 75.3K | +0.3% | Okta |
| 3 | Stytch | 1.4% | 27.7K | +1.2% | Twilio |
| 4 | Clerk | 1.3% | 24.9K | -0.7% | Clerk |
| 5 | Firebase Authentication | 0.5% | 9.9K | -18.2% | Google |

## Historical estimated branded-search demand

| Month | Brand | Estimated monthly branded searches | Share of Search | Rank |
| --- | --- | --- | --- | --- |
| Oct 2025 | Supabase | 832K | 81.8% | 1 |
| Oct 2025 | Auth0 | 111K | 10.9% | 2 |
| Oct 2025 | Stytch | 27.5K | 2.7% | 3 |
| Oct 2025 | Clerk | 25K | 2.5% | 4 |
| Oct 2025 | Firebase Authentication | 22.2K | 2.2% | 5 |
| Nov 2025 | Supabase | 1M | 85.9% | 1 |
| Nov 2025 | Auth0 | 91.5K | 7.8% | 2 |
| Nov 2025 | Stytch | 27.5K | 2.3% | 3 |
| Nov 2025 | Clerk | 25K | 2.1% | 4 |
| Nov 2025 | Firebase Authentication | 22.2K | 1.9% | 5 |
| Dec 2025 | Supabase | 1M | 87.8% | 1 |
| Dec 2025 | Auth0 | 74.8K | 6.5% | 2 |
| Dec 2025 | Clerk | 25K | 2.2% | 3 |
| Dec 2025 | Stytch | 22.5K | 2% | 4 |
| Dec 2025 | Firebase Authentication | 18.1K | 1.6% | 5 |
| Jan 2026 | Supabase | 1.2M | 88% | 1 |
| Jan 2026 | Auth0 | 91.7K | 6.5% | 2 |
| Jan 2026 | Clerk | 30.5K | 2.2% | 3 |
| Jan 2026 | Stytch | 27.4K | 2% | 4 |
| Jan 2026 | Firebase Authentication | 18.1K | 1.3% | 5 |
| Feb 2026 | Supabase | 1.2M | 88.2% | 1 |
| Feb 2026 | Auth0 | 91.5K | 6.5% | 2 |
| Feb 2026 | Clerk | 30.6K | 2.2% | 3 |
| Feb 2026 | Stytch | 27.4K | 2% | 4 |
| Feb 2026 | Firebase Authentication | 14.8K | 1.1% | 5 |
| Mar 2026 | Supabase | 1.8M | 91.5% | 1 |
| Mar 2026 | Auth0 | 91.5K | 4.5% | 2 |
| Mar 2026 | Clerk | 37.3K | 1.8% | 3 |
| Mar 2026 | Stytch | 27.5K | 1.4% | 4 |
| Mar 2026 | Firebase Authentication | 14.8K | 0.73% | 5 |
| Apr 2026 | Supabase | 1.8M | 91.7% | 1 |
| Apr 2026 | Auth0 | 91.4K | 4.5% | 2 |
| Apr 2026 | Clerk | 30.5K | 1.5% | 3 |
| Apr 2026 | Stytch | 27.4K | 1.4% | 4 |
| Apr 2026 | Firebase Authentication | 18.1K | 0.9% | 5 |
| May 2026 | Supabase | 1.9M | 92.8% | 1 |
| May 2026 | Auth0 | 74.8K | 3.8% | 2 |
| May 2026 | Clerk | 30.5K | 1.5% | 3 |
| May 2026 | Stytch | 22.5K | 1.1% | 4 |
| May 2026 | Firebase Authentication | 14.8K | 0.74% | 5 |
| Jun 2026 | Supabase | 1.9M | 92.6% | 1 |
| Jun 2026 | Auth0 | 74.9K | 3.8% | 2 |
| Jun 2026 | Clerk | 30.4K | 1.5% | 3 |
| Jun 2026 | Stytch | 27.3K | 1.4% | 4 |
| Jun 2026 | Firebase Authentication | 14.8K | 0.74% | 5 |
| Jul 2026 | Supabase | 1.9M | 93% | 1 |
| Jul 2026 | Auth0 | 75.1K | 3.8% | 2 |
| Jul 2026 | Stytch | 27.4K | 1.4% | 3 |
| Jul 2026 | Clerk | 25.1K | 1.3% | 4 |
| Jul 2026 | Firebase Authentication | 12.1K | 0.61% | 5 |
| Aug 2026 | Supabase | 1.9M | 93.1% | 1 |
| Aug 2026 | Auth0 | 75.3K | 3.8% | 2 |
| Aug 2026 | Stytch | 27.7K | 1.4% | 3 |
| Aug 2026 | Clerk | 24.9K | 1.3% | 4 |
| Aug 2026 | Firebase Authentication | 9.9K | 0.5% | 5 |
| Sep 2026 | Auth0 | — | — | — |
| Sep 2026 | Clerk | — | — | — |
| Sep 2026 | Firebase Authentication | — | — | — |
| Sep 2026 | Stytch | — | — | — |
| Sep 2026 | Supabase | — | — | — |

## What is being compared

- **Auth0**: Measured on the search terms “auth0”, “auth0 app”, “auth0 authentication” and “auth0 com”, summed into one figure.
- **Clerk**: Measured on the search terms “authentication clerk”, “clerk auth”, “clerk authentication” and “clerk com”, summed into one figure.
- **Firebase Authentication**: Measured on the search term “firebase authentication”.
- **Stytch**: Measured on the search terms “stytch”, “stytch app”, “stytch authentication” and “stytch com”, summed into one figure.
- **Supabase**: Measured on the search terms “database supabase”, “supabase”, “supabase app”, “supabase com”, “supabase database”, “supabase postgres” and “supabase software”, summed into one figure.

- [Auth0](/demand/global-en/brands/auth0)
- [Clerk](/demand/global-en/brands/clerk-auth)
- [Firebase Authentication](/demand/global-en/brands/firebase-auth)
- [Stytch](/demand/global-en/brands/stytch)
- [Supabase](/demand/global-en/brands/supabase)

## Methodology

- [How is branded search demand measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Frequently asked questions

### Which brand is most popular in search among authentication APIs worldwide?

In August 2026, Supabase was the most searched among authentication APIs worldwide, with an estimated 1.9M branded searches and 93.1% estimated Share of Search within this set. These are worldwide searches for English-language branded terms.

## Cite this page

Brandwave. "Authentication APIs: Which brands are most popular in search?". https://gobrandwave.com/demand/global-en/categories/authentication-apis

This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/authentication-apis. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.