SOAP

name: SOAP
description: SOAP (Simple Object Access Protocol) is an XML-based messaging protocol for exchanging structured information
  in web services, standardized by W3C as SOAP 1.2 (2003). It provides a platform-independent, language-neutral framework
  for web service communication with built-in standards for security (WS-Security), reliable messaging (WS-ReliableMessaging),
  and transactions (WS-Transaction). SOAP messages consist of an Envelope containing an optional Header and a required Body.
url: https://www.w3.org/TR/soap12/
tags:
- SOAP
- Messaging Protocol
- Web Services
- XML
- W3C Standard
- Enterprise Integration
- WS-Star
created: '2025'
modified: '2026-05-02'
specificationVersion: '0.19'
apis:
- aid: soap:soap-protocol
  name: SOAP 1.2 Protocol
  description: SOAP Version 1.2 (W3C Recommendation, 2003/2007 Second Edition) is a lightweight protocol for exchanging structured
    information in a decentralized, distributed environment. It defines an XML message format with Envelope/Header/Body structure
    and a Fault mechanism for error handling.
  humanURL: https://www.w3.org/TR/soap12/
  tags:
  - SOAP
  - XML
  - Messaging Protocol
  - W3C Standard
  properties:
  - type: Specification
    url: https://www.w3.org/TR/soap12-part1/
  - type: Specification
    url: https://www.w3.org/TR/soap12-part2/
  - type: Adjuncts
    url: https://www.w3.org/TR/soap12-part2/
  - type: JSONSchema
    url: json-schema/soap-envelope.json
  - type: JSONSchema
    url: json-schema/soap-header.json
  - type: JSONSchema
    url: json-schema/soap-header-block.json
  - type: JSONSchema
    url: json-schema/soap-body.json
  - type: JSONSchema
    url: json-schema/soap-fault.json
  - type: JSONLDContext
    url: json-ld/soap-context.jsonld
  - type: JSONStructure
    url: json-structure/soap-envelope-structure.json
  - type: Vocabulary
    url: vocabulary/soap-vocabulary.yml
  - type: Examples
    url: examples/soap-envelope-example.json
common:
- type: DomainSecurity
  url: security/soap-domain-security.yml
- type: W3C SOAP 1.2 Specification
  url: https://www.w3.org/TR/soap12-part1/
- type: W3C SOAP 1.2 Adjuncts
  url: https://www.w3.org/TR/soap12-part2/
- type: W3C SOAP Specifications Index
  url: https://www.w3.org/TR/soap/
- type: SOAP 1.1 Note
  url: https://www.w3.org/TR/2000/NOTE-SOAP-20000508/
- type: W3C XML Protocol Working Group
  url: https://www.w3.org/2000/xp/Group/
- type: Wikipedia
  url: https://en.wikipedia.org/wiki/SOAP
- type: JSONSchema
  url: json-schema/soap-envelope.json
- type: JSONSchema
  url: json-schema/soap-header.json
- type: JSONSchema
  url: json-schema/soap-body.json
- type: JSONSchema
  url: json-schema/soap-fault.json
- type: JSONLDContext
  url: json-ld/soap-context.jsonld
- type: Vocabulary
  url: vocabulary/soap-vocabulary.yml