Apache Avro VS JSON Schema
As of 30 October 2026, JSON Schema is named by 127 companies and Apache Avro by 214; Apache Avro skews to companies under 200 people (36% vs 34%), JSON Schema to companies over 1,000 (35% vs 37%).
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: Apache Avro's script and mail records show on hundreds of thousands of small sites, JSON Schema rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Apache Avro: 2–200 employees
- 36%
- JSON Schema: 2–200 employees
- 34%
- Apache Avro: 1,000+ employees
- 37%
- JSON Schema: 1,000+ employees
- 35%
- Postings per company, 90 days
- 2.1 · 1.9
- 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 | Apache Avro | share | JSON Schema | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 4 | 2% | 5 | 4% | JSON Schema |
| 2-10 employees | 11 | 5% | 6 | 5% | even |
| 11-50 employees | 28 | 13% | 19 | 15% | even |
| 51-200 employees | 39 | 18% | 18 | 14% | Apache Avro |
| 201-500 employees | 30 | 14% | 20 | 16% | even |
| 501-1000 employees | 22 | 10% | 15 | 12% | even |
| 1001-5000 employees | 38 | 18% | 15 | 12% | Apache Avro |
| 5001-10000 employees | 7 | 3% | 8 | 6% | JSON Schema |
| 10,001+ employees | 35 | 16% | 21 | 17% | even |
| Segment | Apache Avro | share | JSON Schema | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 109 | 51% | 68 | 54% | JSON Schema |
| Business & finance services | 54 | 25% | 23 | 18% | Apache Avro |
| Manufacturing & industry | 16 | 7% | 12 | 9% | even |
| Commerce & trade | 6 | 3% | 1 | 1% | Apache Avro |
| Utilities & infrastructure | 6 | 3% | 3 | 2% | even |
| Public, community & associations | 4 | 2% | 5 | 4% | JSON Schema |
| Consumer services & leisure | 4 | 2% | 2 | 2% | even |
| Media & content | 4 | 2% | 5 | 4% | JSON Schema |
| Health care | 3 | 1% | 3 | 2% | even |
| Transport, logistics & rental | 3 | 1% | 2 | 2% | even |
| Hospitality & travel | 2 | 1% | 1 | 1% | even |
| Property & construction | 2 | 1% | – | – | outside top 12 |
| Automotive | – | – | 2 | 2% | outside top 12 |
| Segment | Apache Avro | share | JSON Schema | share | Leans |
|---|---|---|---|---|---|
| United States | 139 | 65% | 90 | 71% | JSON Schema |
| United Kingdom | 16 | 7% | 12 | 9% | even |
| Germany | 7 | 3% | 1 | 1% | Apache Avro |
| India | 6 | 3% | 2 | 2% | even |
| Portugal | 5 | 2% | – | – | outside top 12 |
| Canada | 4 | 2% | 4 | 3% | even |
| Switzerland | 4 | 2% | – | – | outside top 12 |
| Spain | 4 | 2% | – | – | outside top 12 |
| France | 4 | 2% | 1 | 1% | even |
| Austria | 3 | 1% | 1 | 1% | even |
| Netherlands | 3 | 1% | – | – | outside top 12 |
| Poland | 3 | 1% | – | – | outside top 12 |
| Australia | – | – | 4 | 3% | outside top 12 |
| Brazil | – | – | 3 | 2% | outside top 12 |
| Mexico | – | – | 2 | 2% | outside top 12 |
| Singapore | – | – | 2 | 2% | outside top 12 |
| Denmark | – | – | 1 | 1% | outside top 12 |
| Segment | Apache Avro | share | JSON Schema | share | Leans |
|---|---|---|---|---|---|
| Data & AI | 271 | 43% | 88 | 28% | Apache Avro |
| Software engineering | 233 | 37% | 129 | 42% | JSON Schema |
| IT operations & business systems | 19 | 3% | 20 | 6% | JSON Schema |
| Engineering (non-software) | 4 | 1% | 3 | 1% | even |
| Product, program & project management | 4 | 1% | 3 | 1% | even |
| Sales | 4 | 1% | 2 | 1% | even |
| Construction and civil | 3 | 0% | – | – | outside top 12 |
| Customer service & success | 3 | 0% | – | – | outside top 12 |
| General management & consulting | 2 | 0% | – | – | outside top 12 |
| Finance & accounting | 1 | 0% | – | – | outside top 12 |
| Logistics warehouse and transport | 1 | 0% | – | – | outside top 12 |
| Quality, safety & environment | 1 | 0% | – | – | outside top 12 |
| Legal, compliance & risk | – | – | 4 | 1% | outside top 12 |
| Design & UX | – | – | 2 | 1% | outside top 12 |
| Administration & office | – | – | 1 | 0% | outside top 12 |
| Arts media and entertainment | – | – | 1 | 0% | outside top 12 |
| Marketing & communications | – | – | 1 | 0% | outside top 12 |
| Real estate and property | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using Apache Avro →
Companies using JSON Schema →
api specs data formats ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
JSON Schema is named by 127 companies in job postings and Apache Avro by 214; 24 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/apache-avro-vs-json-schema)
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.
Apache Avro vs JSON Schema: questions
Which is more used, Apache Avro or JSON Schema?
By companies naming it in their own job postings, Apache Avro (214) over JSON Schema (127). By website-and-DNS footprint, JSON Schema (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Apache Avro?
36% of Apache Avro companies have 2 to 200 employees, against 34% for JSON Schema. 37% of Apache Avro companies have over 1,000 employees, against 35% for JSON Schema.
Do companies run both?
24 companies name both in their postings, usually Apache Avro in marketing and JSON Schema 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.
Get either list your way
The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.
Every company on either tool,
with the person who owns it
Filter on Apache Avro or JSON Schema. Start free, no card.