Amazon Signer · API Governance Rules

Amazon Signer API Rules

Spectral linting rules defining API design standards and conventions for Amazon Signer.

30 Rules error 11 warn 14 info 5
Generated by API Evangelist Written by API Evangelist tooling for Amazon Signer's APIs. It is a starting point, not a ruleset Amazon Signer publishes or enforces.
View Rules File View on GitHub

Rule Categories

delete error get info no openapi operation parameter path paths query response schema security servers tags

Rules

warn
info-title-prefix
API title must start with "Amazon" or "AWS"
$.info.title
error
info-description-required
Info object must have a description
$.info
error
info-version-required
Info object must have a version
$.info
error
openapi-version
Must use OpenAPI 3.x
$
error
servers-required
Servers must be defined
$
error
servers-https
Server URLs must use HTTPS
$.servers[*].url
error
operation-summary-required
Every operation must have a summary
$.paths[*][get,post,put,delete,patch]
warn
operation-summary-prefix
Operation summary must start with "Amazon"
$.paths[*][get,post,put,delete,patch].summary
warn
operation-description-required
Every operation must have a description
$.paths[*][get,post,put,delete,patch]
error
operation-id-required
Every operation must have an operationId
$.paths[*][get,post,put,delete,patch]
warn
operation-id-camel-case
OperationId must use PascalCase
$.paths[*][get,post,put,delete,patch].operationId
warn
operation-tags-required
Every operation must have tags
$.paths[*][get,post,put,delete,patch]
warn
parameter-description-required
Every parameter must have a description
$.paths[*][get,post,put,delete,patch].parameters[*]
info
parameter-name-snake-case
Parameter names should use camelCase or snake_case
$.paths[*][get,post,put,delete,patch].parameters[*].name
error
response-success-required
Every operation must have a 2xx response
$.paths[*][get,post,put,delete,patch].responses
error
response-description-required
Every response must have a description
$.paths[*][get,post,put,delete,patch].responses[*]
info
response-error-unauthorized
Operations should document 403 responses
$.paths[*][get,post,put,delete,patch].responses
warn
schema-type-required
Schema properties should have a type defined
$.components.schemas[*].properties[*]
info
schema-description-required
Top-level schemas should have a description
$.components.schemas[*]
warn
security-schemes-defined
Security schemes should be defined in components.
$.components
error
get-no-request-body
GET operations must not have a request body
$.paths[*].get
warn
delete-no-request-body
DELETE operations should not have a request body
$.paths[*].delete
error
no-empty-descriptions
Descriptions must not be empty strings
$..description
info
paths-kebab-case
Path segments should use kebab-case
$.paths
warn
tags-title-case
Tags in the global tags array should use Title Case
$.tags[*].name
warn
path-params-casing
Path parameters should be camelCase (the dominant convention in this API).
$.paths[*].parameters[?(@.in=='path')].name
warn
query-params-casing
Query parameters should be camelCase (the dominant convention in this API).
$.paths[*][get,post,put,patch,delete].parameters[?(@.in=='query')]
warn
schema-names-casing
Component schema names should be PascalCase (the dominant convention in this API).
$.components.schemas
info
schema-properties-casing
Schema properties should be camelCase (the dominant convention in this API).
$.components.schemas[*].properties
warn
error-schema-defined
A shared error schema (InternalServiceErrorException) should be defined for error payloads.
$.components.schemas

Spectral Ruleset

Raw ↑ 
# authorship: generated by API Evangelist tooling. Stamped 2026-08-18
# on the file's own generator header (roadmap#64). An unmarked file is
# NOT assumed to be ours -- absence of evidence was never stamped.
x-method: generated
# amazon-signer — Spectral ruleset (strengthened)
# Plain Spectral. Existing hand-authored rules preserved; measured rules added
# from this provider's own OpenAPI conventions by strengthen_ruleset.py,
# then self-validated against the spec.
#
# Provenance:
#   - servers-https-only: 50% of servers already https (warn)
#   - path-params-casing: camel @ 100% (n=14)
#   - query-params-casing: camel @ 82% (n=28)
#   - operationid-casing: pascal @ 100% (n=19)
#   - schema-names-casing: pascal @ 98% (n=117)
#   - schema-properties-casing: camel @ 70% (n=160)
#   - security: global (root) — NOT emitting operation-security-required
#   - error-schema-defined: InternalServiceErrorException
#   - pagination params observed: ['maxResults', 'nextToken']
#   - merge: kept 25 existing, added 6 measured, upgraded 0
#   - added: path-params-casing, query-params-casing, schema-names-casing, schema-properties-casing, security-schemes-defined, error-schema-defined
extends:
  - spectral:oas
rules:
  info-title-prefix:
    description: API title must start with "Amazon" or "AWS"
    severity: warn
    given: $.info.title
    then:
      function: pattern
      functionOptions:
        match: '^(Amazon|AWS) '
  info-description-required:
    description: Info object must have a description
    severity: error
    given: $.info
    then:
      field: description
      function: truthy
  info-version-required:
    description: Info object must have a version
    severity: error
    given: $.info
    then:
      field: version
      function: truthy
  openapi-version:
    description: Must use OpenAPI 3.x
    severity: error
    given: $
    then:
      field: openapi
      function: pattern
      functionOptions:
        match: ^3\.
  servers-required:
    description: Servers must be defined
    severity: error
    given: $
    then:
      field: servers
      function: truthy
  servers-https:
    description: Server URLs must use HTTPS
    severity: error
    given: $.servers[*].url
    then:
      function: pattern
      functionOptions:
        match: ^https://
  operation-summary-required:
    description: Every operation must have a summary
    severity: error
    given: $.paths[*][get,post,put,delete,patch]
    then:
      field: summary
      function: truthy
  operation-summary-prefix:
    description: Operation summary must start with "Amazon"
    severity: warn
    given: $.paths[*][get,post,put,delete,patch].summary
    then:
      function: pattern
      functionOptions:
        match: '^Amazon '
  operation-description-required:
    description: Every operation must have a description
    severity: warn
    given: $.paths[*][get,post,put,delete,patch]
    then:
      field: description
      function: truthy
  operation-id-required:
    description: Every operation must have an operationId
    severity: error
    given: $.paths[*][get,post,put,delete,patch]
    then:
      field: operationId
      function: truthy
  operation-id-camel-case:
    description: OperationId must use PascalCase
    severity: warn
    given: $.paths[*][get,post,put,delete,patch].operationId
    then:
      function: pattern
      functionOptions:
        match: ^[A-Z][a-zA-Z0-9]+$
  operation-tags-required:
    description: Every operation must have tags
    severity: warn
    given: $.paths[*][get,post,put,delete,patch]
    then:
      field: tags
      function: truthy
  parameter-description-required:
    description: Every parameter must have a description
    severity: warn
    given: $.paths[*][get,post,put,delete,patch].parameters[*]
    then:
      field: description
      function: truthy
  parameter-name-snake-case:
    description: Parameter names should use camelCase or snake_case
    severity: info
    given: $.paths[*][get,post,put,delete,patch].parameters[*].name
    then:
      function: pattern
      functionOptions:
        match: ^[a-z][a-zA-Z0-9_]*$
  response-success-required:
    description: Every operation must have a 2xx response
    severity: error
    given: $.paths[*][get,post,put,delete,patch].responses
    then:
      function: schema
      functionOptions:
        schema:
          type: object
          anyOf:
          - required:
            - '200'
          - required:
            - '201'
          - required:
            - '204'
  response-description-required:
    description: Every response must have a description
    severity: error
    given: $.paths[*][get,post,put,delete,patch].responses[*]
    then:
      field: description
      function: truthy
  response-error-unauthorized:
    description: Operations should document 403 responses
    severity: info
    given: $.paths[*][get,post,put,delete,patch].responses
    then:
      field: '403'
      function: truthy
  schema-type-required:
    description: Schema properties should have a type defined
    severity: warn
    given: $.components.schemas[*].properties[*]
    then:
      function: schema
      functionOptions:
        schema:
          type: object
          anyOf:
          - required:
            - type
          - required:
            - $ref
          - required:
            - allOf
          - required:
            - oneOf
          - required:
            - anyOf
          - required:
            - enum
  schema-description-required:
    description: Top-level schemas should have a description
    severity: info
    given: $.components.schemas[*]
    then:
      field: description
      function: truthy
  security-schemes-defined:
    description: Security schemes should be defined in components.
    severity: warn
    given: $.components
    then:
      field: securitySchemes
      function: truthy
  get-no-request-body:
    description: GET operations must not have a request body
    severity: error
    given: $.paths[*].get
    then:
      field: requestBody
      function: falsy
  delete-no-request-body:
    description: DELETE operations should not have a request body
    severity: warn
    given: $.paths[*].delete
    then:
      field: requestBody
      function: falsy
  no-empty-descriptions:
    description: Descriptions must not be empty strings
    severity: error
    given: $..description
    then:
      function: pattern
      functionOptions:
        match: .+
  paths-kebab-case:
    description: Path segments should use kebab-case
    severity: info
    given: $.paths
    then:
      function: pattern
      functionOptions:
        match: ^(/[a-z0-9{}-]+)+$
  tags-title-case:
    description: Tags in the global tags array should use Title Case
    severity: warn
    given: $.tags[*].name
    then:
      function: pattern
      functionOptions:
        match: ^[A-Z][a-zA-Z0-9 ]+$
  path-params-casing:
    description: Path parameters should be camelCase (the dominant convention in this API).
    severity: warn
    given: $.paths[*].parameters[?(@.in=='path')].name
    then:
      function: casing
      functionOptions:
        type: camel
  query-params-casing:
    description: Query parameters should be camelCase (the dominant convention in this API).
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].parameters[?(@.in=='query')]
    then:
      field: name
      function: casing
      functionOptions:
        type: camel
  schema-names-casing:
    description: Component schema names should be PascalCase (the dominant convention in this API).
    severity: warn
    given: $.components.schemas
    then:
      field: '@key'
      function: pattern
      functionOptions:
        match: ^[A-Z][A-Za-z0-9]*$
  schema-properties-casing:
    description: Schema properties should be camelCase (the dominant convention in this API).
    severity: info
    given: $.components.schemas[*].properties
    then:
      field: '@key'
      function: pattern
      functionOptions:
        match: ^[a-z][A-Za-z0-9]*$
  error-schema-defined:
    description: A shared error schema (InternalServiceErrorException) should be defined for error payloads.
    severity: warn
    given: $.components.schemas
    then:
      field: InternalServiceErrorException
      function: truthy

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