Shipvane · 4 AE roles
Marco E. · joined Cargolio
Fleetora · first roles in DEFHIR VS X12 837_
As of 4 November 2026, X12 837 is named by 112 companies and FHIR by 1,012; FHIR skews to companies under 200 people (47% vs 32%), X12 837 to companies over 1,000 (38% vs 31%).
As of 4 November 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: FHIR's script and mail records show on hundreds of thousands of small sites, X12 837 rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- FHIR: 2–200 employees
- 47%
- X12 837: 2–200 employees
- 32%
- FHIR: 1,000+ employees
- 31%
- X12 837: 1,000+ employees
- 38%
- Postings per company, 90 days
- 2.4 · 1.4
- 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 | FHIR | share | X12 837 | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 19 | 2% | 2 | 2% | even |
| 2-10 employees | 102 | 10% | 5 | 4% | FHIR |
| 11-50 employees | 159 | 16% | 11 | 10% | FHIR |
| 51-200 employees | 211 | 21% | 20 | 18% | FHIR |
| 201-500 employees | 117 | 12% | 17 | 15% | X12 837 |
| 501-1000 employees | 87 | 9% | 15 | 13% | X12 837 |
| 1001-5000 employees | 164 | 16% | 26 | 23% | X12 837 |
| 5001-10000 employees | 45 | 4% | 6 | 5% | even |
| 10,001+ employees | 108 | 11% | 10 | 9% | even |
| Segment | FHIR | share | X12 837 | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 553 | 55% | 61 | 54% | even |
| Health care | 214 | 21% | 18 | 16% | FHIR |
| Business & finance services | 123 | 12% | 26 | 23% | X12 837 |
| Manufacturing & industry | 48 | 5% | – | – | outside top 12 |
| Public, community & associations | 37 | 4% | 2 | 2% | even |
| Consumer services & leisure | 19 | 2% | 1 | 1% | even |
| Media & content | 10 | 1% | 1 | 1% | even |
| Commerce & trade | 2 | 0% | 1 | 1% | even |
| Property & construction | 2 | 0% | – | – | outside top 12 |
| Utilities & infrastructure | 2 | 0% | – | – | outside top 12 |
| Hospitality & travel | 1 | 0% | – | – | outside top 12 |
| Transport, logistics & rental | 1 | 0% | 1 | 1% | even |
| Agriculture & forestry | – | – | 1 | 1% | outside top 12 |
| Segment | FHIR | share | X12 837 | share | Leans |
|---|---|---|---|---|---|
| United States | 727 | 72% | 104 | 93% | X12 837 |
| Germany | 57 | 6% | 1 | 1% | FHIR |
| United Kingdom | 42 | 4% | 1 | 1% | FHIR |
| Canada | 30 | 3% | 2 | 2% | even |
| India | 12 | 1% | – | – | outside top 12 |
| Netherlands | 11 | 1% | – | – | outside top 12 |
| Sweden | 11 | 1% | – | – | outside top 12 |
| Switzerland | 9 | 1% | – | – | outside top 12 |
| Australia | 8 | 1% | – | – | outside top 12 |
| France | 8 | 1% | 1 | 1% | even |
| Belgium | 7 | 1% | – | – | outside top 12 |
| Spain | 7 | 1% | – | – | outside top 12 |
| Segment | FHIR | share | X12 837 | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 1,034 | 33% | 92 | 33% | even |
| Data & AI | 585 | 19% | 47 | 17% | even |
| Product, program & project management | 330 | 11% | 16 | 6% | FHIR |
| IT operations & business systems | 328 | 11% | 40 | 15% | X12 837 |
| Sales | 83 | 3% | 2 | 1% | even |
| healthcare clinical | 37 | 1% | – | – | outside top 12 |
| General management & consulting | 32 | 1% | – | – | outside top 12 |
| Customer service & success | 31 | 1% | 4 | 1% | even |
| research and science | 26 | 1% | – | – | outside top 12 |
| Engineering (non-software) | 21 | 1% | 1 | 0% | even |
| Business development & strategy | 16 | 1% | 1 | 0% | even |
| Quality, safety & environment | 13 | 0% | 2 | 1% | even |
| Education & training | 12 | 0% | – | – | outside top 12 |
| Unclassified | 12 | 0% | 3 | 1% | even |
| Design & UX | 6 | 0% | – | – | outside top 12 |
| Marketing & communications | 4 | 0% | – | – | outside top 12 |
| Finance & accounting | 3 | 0% | 13 | 5% | X12 837 |
| arts media and entertainment | 2 | 0% | – | – | outside top 12 |
| Legal, compliance & risk | 2 | 0% | – | – | outside top 12 |
| skilled trades and field service | 2 | 0% | – | – | outside top 12 |
| Administration & office | 1 | 0% | 3 | 1% | even |
| construction and civil | 1 | 0% | – | – | outside top 12 |
| manufacturing and production | 1 | 0% | – | – | outside top 12 |
| Human resources | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using FHIR →
Companies using X12 837 →
healthcare interoperability ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
X12 837 is named by 112 companies in job postings and FHIR by 1,012; 0 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/fhir-vs-x12-837)
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.
FHIR vs X12 837: questions
Which is more used, FHIR or X12 837?
By companies naming it in their own job postings, FHIR (1,012) over X12 837 (112). By website-and-DNS footprint, X12 837 (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses FHIR?
47% of FHIR companies have 2 to 200 employees, against 32% for X12 837. 31% of FHIR companies have over 1,000 employees, against 38% for X12 837.
Do companies run both?
0 companies name both in their postings, usually FHIR in marketing and X12 837 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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with the person who owns it
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