---
schema_version: "1"
id: 16189189fe299a2e363ffff832a2076443b6a1fcbc8143ee1371f4f2e420ce37
title: Standards Compliance
collection: legacydeveloper
version: current
locale: en-us
portal_url: https://docs.salesforce.com/legacydeveloper/current/en-us/api_meta/meta_standards.md
canonical_url: https://developer.salesforce.com/docs/atlas.en-us.api_meta.meta/api_meta/meta_standards.htm
source_site: developer.salesforce.com
content_type: documentation
content_hash: 7833f5dd9ced7476a766f0e2d8df7e60f57c5cde2024236e49b78494ec7874e4
---
# Standards Compliance

Metadata API is implemented to comply with the following specifications:

| Standard Name | Website |
| --- | --- |
| Simple Object Access Protocol (SOAP) 1.1 | [http://www.w3.org/TR/2000/NOTE-SOAP-20000508/](http://www.w3.org/TR/2000/NOTE-SOAP-20000508/) |
| Web Service Description Language (WSDL) 1.1 | [http://www.w3.org/TR/2001/NOTE-wsdl-20010315](http://www.w3.org/TR/2001/NOTE-wsdl-20010315) |
| WS-I Basic Profile 1.1 | [http://www.ws-i.org/Profiles/BasicProfile-1.1-2004-08-24.html](http://www.ws-i.org/Profiles/BasicProfile-1.1-2004-08-24.html) |
| Extensible Markup Language (XML) 1.0 | [https://www.w3.org/TR/xml](https://www.w3.org/TR/xml) |