Keycloak VS SAP Identity Authentication Service
As of 30 October 2026, SAP Identity Authentication Service is named by 188 companies and Keycloak by 414; Keycloak skews to companies under 200 people (47% vs 27%), SAP Identity Authentication Service to companies over 1,000 (49% vs 26%).
As of 30 October 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Keycloak's script and mail records show on hundreds of thousands of small sites, SAP Identity Authentication Service rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Keycloak: 2–200 employees
- 47%
- SAP Identity Authentication Service: 2–200 employees
- 27%
- Keycloak: 1,000+ employees
- 26%
- SAP Identity Authentication Service: 1,000+ employees
- 49%
- Postings per company, 90 days
- 2.3 · 3.1
- Website or DNS footprint
- 0 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Keycloak | share | SAP Identity Authentication Service | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 3 | 1% | 2 | 1% | even |
| 2-10 employees | 23 | 6% | 6 | 3% | Keycloak |
| 11-50 employees | 72 | 17% | 22 | 12% | Keycloak |
| 51-200 employees | 101 | 24% | 23 | 12% | Keycloak |
| 201-500 employees | 66 | 16% | 21 | 11% | Keycloak |
| 501-1000 employees | 42 | 10% | 22 | 12% | even |
| 1001-5000 employees | 60 | 14% | 34 | 18% | SAP Identity Authentication Service |
| 5001-10000 employees | 13 | 3% | 16 | 9% | SAP Identity Authentication Service |
| 10,001+ employees | 34 | 8% | 42 | 22% | SAP Identity Authentication Service |
| Segment | Keycloak | share | SAP Identity Authentication Service | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 250 | 60% | 42 | 22% | Keycloak |
| Business & finance services | 71 | 17% | 50 | 27% | SAP Identity Authentication Service |
| Manufacturing & industry | 35 | 8% | 43 | 23% | SAP Identity Authentication Service |
| Public, community & associations | 17 | 4% | 6 | 3% | even |
| Utilities & infrastructure | 12 | 3% | 7 | 4% | even |
| Commerce & trade | 6 | 1% | 9 | 5% | SAP Identity Authentication Service |
| Transport, logistics & rental | 6 | 1% | 2 | 1% | even |
| Consumer services & leisure | 5 | 1% | 1 | 1% | even |
| Media & content | 5 | 1% | 12 | 6% | SAP Identity Authentication Service |
| Property & construction | 4 | 1% | 5 | 3% | even |
| Hospitality & travel | 2 | 0% | – | – | outside top 12 |
| Automotive | 1 | 0% | 6 | 3% | SAP Identity Authentication Service |
| Health care | – | – | 4 | 2% | outside top 12 |
| Segment | Keycloak | share | SAP Identity Authentication Service | share | Leans |
|---|---|---|---|---|---|
| United States | 163 | 39% | 84 | 45% | SAP Identity Authentication Service |
| Germany | 64 | 15% | 22 | 12% | Keycloak |
| France | 36 | 9% | 5 | 3% | Keycloak |
| United Kingdom | 26 | 6% | 16 | 9% | SAP Identity Authentication Service |
| Brazil | 10 | 2% | – | – | outside top 12 |
| India | 10 | 2% | 6 | 3% | even |
| Canada | 9 | 2% | 5 | 3% | even |
| Netherlands | 8 | 2% | 3 | 2% | even |
| Poland | 8 | 2% | – | – | outside top 12 |
| Switzerland | 6 | 1% | 4 | 2% | even |
| Spain | 6 | 1% | – | – | outside top 12 |
| Finland | 6 | 1% | – | – | outside top 12 |
| Australia | – | – | 11 | 6% | outside top 12 |
| Italy | – | – | 5 | 3% | outside top 12 |
| Austria | – | – | 4 | 2% | outside top 12 |
| Belgium | – | – | 4 | 2% | outside top 12 |
| Segment | Keycloak | share | SAP Identity Authentication Service | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 729 | 59% | 42 | 5% | Keycloak |
| IT operations & business systems | 276 | 22% | 207 | 27% | SAP Identity Authentication Service |
| Data & AI | 47 | 4% | 33 | 4% | even |
| Product, program & project management | 30 | 2% | 15 | 2% | even |
| Engineering (non-software) | 26 | 2% | 4 | 1% | even |
| Customer service & success | 5 | 0% | 6 | 1% | even |
| Construction and civil | 3 | 0% | – | – | outside top 12 |
| Sales | 2 | 0% | 21 | 3% | SAP Identity Authentication Service |
| Marketing & communications | 1 | 0% | 83 | 11% | SAP Identity Authentication Service |
| Unclassified | 1 | 0% | – | – | outside top 12 |
| Finance & accounting | – | – | 240 | 31% | outside top 12 |
| Administration & office | – | – | 5 | 1% | outside top 12 |
| Legal, compliance & risk | – | – | 3 | 0% | outside top 12 |
| Logistics warehouse and transport | – | – | 3 | 0% | outside top 12 |
The companies behind each column
Companies using Keycloak →
Companies using SAP Identity Authentication Service →
Identity ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
SAP Identity Authentication Service is named by 188 companies in job postings and Keycloak by 414; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/keycloak-vs-sap-identity-authentication-service)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
- Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
- SegmentsCountry, size and industry from the company profile built from its website.
- Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
Keycloak vs SAP Identity Authentication Service: questions
Which is more used, Keycloak or SAP Identity Authentication Service?
By companies naming it in their own job postings, Keycloak (414) over SAP Identity Authentication Service (188). By website-and-DNS footprint, SAP Identity Authentication Service (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Keycloak?
47% of Keycloak companies have 2 to 200 employees, against 27% for SAP Identity Authentication Service. 26% of Keycloak companies have over 1,000 employees, against 49% for SAP Identity Authentication Service.
Do companies run both?
0 companies name both in their postings, usually Keycloak in marketing and SAP Identity Authentication Service in sales, or during a migration.
Where do these numbers come from?
From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.
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