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Tools · api specs data formats · Alternatives

WSDL alternatives

As of 4 November 2026, 39 api specs data formats are named by companies instead of WSDL: JSON by 6,396 companies, XML by 5,264, Model Context Protocol by 4,892.

As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

WSDL, companies in postings
256
Most used alternative
JSON · 6,396
Fastest hiring, 90 days
JSON
Alternatives ranked
39
Catalogue
T-1.0.1-prov
01Ranked by evidence

api specs data formats companies choose instead of WSDL

Companies naming each tool in their own postings, and postings in the last 90 days. Bars are relative to the category leader.

#AlternativeCompaniescompaniesvs WSDLpostings, 90 dCompare
1
JSONEcma International
6,3962498%19,737WSDL vs JSON →
2
XMLW3C
5,2642056%12,841WSDL vs XML →
3
Model Context ProtocolAnthropic
4,8921911%16,002WSDL vs Model Context Protocol →
4
GraphQLGraphQL Foundation
4,0891597%12,076WSDL vs GraphQL →
5
SOAPW3C
3,6611430%10,243WSDL vs SOAP →
6
gRPCCloud Native Computing Foundation
1,753685%4,571WSDL vs gRPC →
7
OpenAPIOpenAPI Initiative
1,432559%3,245WSDL vs OpenAPI →
8
YAMLYAML Language Development Team
1,029402%2,569WSDL vs YAML →
9
Microsoft GraphMicrosoft
942368%2,115WSDL vs Microsoft Graph →
10
ODataOASIS
844330%3,073WSDL vs OData →
11
XSLTW3C
820320%1,501WSDL vs XSLT →
12
CSVIETF
782305%1,180WSDL vs CSV →
13
SAP IDocSAP
722282%2,746WSDL vs SAP IDoc →
14
Apache ParquetApache Software Foundation
690270%1,246WSDL vs Apache Parquet →
15
Protocol BuffersGoogle
566221%1,102WSDL vs Protocol Buffers →
16
Agent2Agent (A2A) ProtocolLinux Foundation
443173%1,572WSDL vs Agent2Agent (A2A) Protocol →
17
PDFAdobe
405158%839WSDL vs PDF →
18
ANSI X12ASC X12
371145%761WSDL vs ANSI X12 →
19
Markdown
337132%585WSDL vs Markdown →
20
XML Schema (XSD)W3C
291114%551WSDL vs XML Schema (XSD) →
21
Apache AvroApache Software Foundation
280109%560WSDL vs Apache Avro →
22
ISO 20022ISO
272106%763WSDL vs ISO 20022 →
23
UN/EDIFACTUnited Nations
25399%406WSDL vs UN/EDIFACT →
24
RDFW3C
22186%813WSDL vs RDF →
25
Web Ontology LanguageW3C
21684%703WSDL vs Web Ontology Language →
26
JSON SchemaJSON Schema organization
16966%301WSDL vs JSON Schema →
27
H.264ITU-T / ISO
16063%327WSDL vs H.264 →
28
XBRLXBRL International
15259%294WSDL vs XBRL →
29
RedfishDMTF
13754%661WSDL vs Redfish →
30
H.265ITU-T
12649%244soon
31
RSSRSS Advisory Board
12248%321soon
32
Apache ORCApache Software Foundation
11846%235soon
33
tRPCtRPC contributors
10641%188soon
34
RAMLMuleSoft
10541%187soon
35
Schema.orgSchema.org
10340%148soon
36
JSON-LDW3C
9939%146soon
37
DITAOASIS
9638%197soon
38
YANGIETF
8935%286soon
39
OpenUSDAlliance for OpenUSD
8834%291soon
38,897 companies name a api specs data format in their postings.

Filter on any of them, or on WSDL users who also name an alternative, and open the person who owns the stack.

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Start free, no card. The first 20 are above; e-mails are verified at the mail server when you open them.

Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

39 api specs data formats are named by companies instead of WSDL: JSON by 6,396 companies, XML by 5,264, Model Context Protocol by 4,892, measured from their own job postings. (Breaknorm, 4 November 2026, https://breaknorm.co/tools/wsdl/alternatives)
How we know

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 →

  • RankingCompanies whose own postings name the tool as the team's system, from the Breaknorm technology catalogue T-1.0.1-prov. Editions are folded into their parent product.
  • 90-day postingsOpen postings first seen or posted in the last 90 days that name the tool.
  • Not includedRatings, prices, feature claims, sponsored positions.
FAQ

WSDL alternatives: questions

What is the most used alternative to WSDL?

JSON: 6,396 companies name it in their own job postings, against 256 for WSDL.

How is this list ranked?

By the number of companies whose own postings name the tool as the team's system (Breaknorm technology catalogue T-1.0.1-prov), then by postings in the last 90 days. No ratings, no vendor input, no sponsored positions.

Does this say which is better?

No. It says who uses what, by company size, industry and country, so you can see which tools companies like yours choose. For features and prices, read the vendors.

Can I get the companies on any of these?

Yes: click the tool, see the first 20 companies, and sign up for the full list with verified e-mails. Counting is free.

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