OpenAPI Operations Tags Upper Case Error

Having the first letter of each word applied as a tag to API operations helps keep a consistent layout when published via search, documentation, and other ways APIs are made available

Message: Operation Tag Names MUST Have First Letter in Each Word Capitalized

Policies

Operation Tags

Requiring that all operational tags meets the policy standards.

#OpenAPI #Operations #Tags #Default #Documentation

← Back to all Rules

MCP tools for rules

6 tools reach this content

find_building_blocksBrowse every rules entry — call it with type="rules".
get_building_blockOne rules entry in full; add include=content for the body (Pro).
search_api_evangelistSearch every content type across the network at once.
find_relatedThe shared-tag relevance graph — what else covers this.
get_tagEverything one tag labels, across all content types.
guide_topicPRO — a curated bundle for a topic: area, guidance, rules, papers, stories, services.

All tools & prompts

Call it yourself

curl for this page

This rule

curl "https://api.apievangelist.com/v1/rules/openapi-operations-tags-upper-case-error"

Full body (Pro)

curl "https://api.apievangelist.com/v1/rules/openapi-operations-tags-upper-case-error?include=content" \
  -H "x-api-key: $AE_KEY"

Related across the network

curl "https://api.apievangelist.com/v1/rules/openapi-operations-tags-upper-case-error/related"

All rules

curl "https://api.apievangelist.com/v1/rules?limit=25"

Discovery needs no key. Full bodies and the synthesis endpoints are Pro.

Discovery

Learnings

Guidance

Toolbox

Alignment

API Evangelist LLC

OpenAPI Operations Tags Upper Case Error

Policies

Operation Tags

Rule Details

Explore more

Discover APIs

Work with this as data

MCP tools for rules

Call it yourself

Get an API key