Dash0 · API Governance Rules

Dash0 API Rules

Spectral linting rules defining API design standards and conventions for Dash0.

47 Rules error 34 warn 12 info 1
Generated by API Evangelist Written by API Evangelist tooling for Dash0's APIs. It is a starting point, not a ruleset Dash0 publishes or enforces.
View Rules File View on GitHub

Rule Categories

header info mediatype operation operationid parameter path property requestbody response schema server servers tag write

Rules

error
operation-has-operationid
Every operation declares an operationId (measured: 100% of this contract)
$.paths[*][get,post,put,patch,delete]
error
operationid-casing-camel
operationIds are camel case (measured: 100% of this contract)
$.paths[*][get,post,put,patch,delete].operationId
error
operation-has-summary
Every operation has a summary (measured: 100% of this contract)
$.paths[*][get,post,put,patch,delete]
error
operation-has-tags
Every operation is tagged (measured: 100% of this contract)
$.paths[*][get,post,put,patch,delete]
warn
operation-has-success-response
Every operation declares a 2xx response (measured: 99% of this contract)
$.paths[*][get,post,put,patch,delete].responses
warn
path-segment-casing-kebab
Path segments are kebab case (measured: 98% of this contract)
$.paths[*]~
error
path-no-trailing-slash
Paths carry no trailing slash (measured: 100% of this contract)
$.paths[*]~
error
path-params-in-braces
Path parameters use {braces}, not :colon (measured: 100% of this contract)
$.paths[*]~
error
servers-https
Servers are https (measured: 100% of this contract)
$.servers[*].url
warn
write-declares-request-body
POST and PUT declare a request body (measured: 98% of this contract)
$.paths[*][post,put]
warn
response-media-type
Responses are served as application/json (measured: 98% of this contract)
$.paths[*][get,post,put,patch,delete].responses[*].content
info
property-name-casing-camel
Schema property names are camel case (measured: 86% of this contract)
$.components.schemas[*].properties[*]~
error
info-has-description
The contract's info block carries a description (measured: 100% of this contract)
$.info
error
info-title-present
Info declares title (measured: 100% of this contract)
$.info
error
info-title-min-length
Info.title runs at least 19 characters (measured: 100% of this contract)
$.info.title
error
info-description-present
Info declares description (measured: 100% of this contract)
$.info
error
info-description-min-length
Info.description runs at least 2054 characters (measured: 100% of this contract)
$.info.description
error
info-version-present
Info declares version (measured: 100% of this contract)
$.info
error
info-version-semver
info.version is numeric (measured: 100% of this contract)
$.info.version
error
server-url-present
Server declares url (measured: 100% of this contract)
$.servers[*]
error
server-url-https
Server.url is https (measured: 100% of this contract)
$.servers[*].url
error
server-description-present
Server declares description (measured: 100% of this contract)
$.servers[*]
error
server-description-min-length
Server.description runs at least 39 characters (measured: 100% of this contract)
$.servers[*].description
error
tag-name-present
Tag declares name (measured: 100% of this contract)
$.tags[*]
error
operation-tags-present
Operation declares tags (measured: 100% of this contract)
$.paths[*][get,put,post,delete,patch,options,head,trace]
error
operation-summary-present
Operation declares summary (measured: 100% of this contract)
$.paths[*][get,put,post,delete,patch,options,head,trace]
warn
operation-summary-min-length
Operation.summary runs at least 18 characters (measured: 96% of this contract)
$.paths[*][get,put,post,delete,patch,options,head,trace].summary
warn
operation-description-min-length
Operation.description runs at least 38 characters (measured: 95% of this contract)
$.paths[*][get,put,post,delete,patch,options,head,trace].description
error
operation-operationid-present
Operation declares operationId (measured: 100% of this contract)
$.paths[*][get,put,post,delete,patch,options,head,trace]
error
operation-operationid-casing-camel
Operation.operationId is camel case (measured: 100% of this contract)
$.paths[*][get,put,post,delete,patch,options,head,trace].operationId
error
operation-responses-present
Operation declares responses (measured: 100% of this contract)
$.paths[*][get,put,post,delete,patch,options,head,trace]
error
parameter-name-present
Parameter declares name (measured: 100% of this contract)
$.paths[*][get,put,post,delete,patch,options,head,trace].parameters[*]
warn
parameter-name-casing-camel
Parameter.name is camel case (measured: 93% of this contract)
$.paths[*][get,put,post,delete,patch,options,head,trace].parameters[*].name
error
parameter-in-present
Parameter declares in (measured: 100% of this contract)
$.paths[*][get,put,post,delete,patch,options,head,trace].parameters[*]
error
parameter-in-values
Parameter.in is one of path, query (measured: 100% of this contract)
$.paths[*][get,put,post,delete,patch,options,head,trace].parameters[*].in
warn
parameter-description-min-length
Parameter.description runs at least 18 characters (measured: 95% of this contract)
$.paths[*][get,put,post,delete,patch,options,head,trace].parameters[*].description
error
parameter-schema-present
Parameter declares schema (measured: 100% of this contract)
$.paths[*][get,put,post,delete,patch,options,head,trace].parameters[*]
error
requestbody-content-present
RequestBody declares content (measured: 100% of this contract)
$.paths[*][get,put,post,delete,patch,options,head,trace].requestBody
error
requestbody-required-present
RequestBody declares required (measured: 100% of this contract)
$.paths[*][get,put,post,delete,patch,options,head,trace].requestBody
error
mediatype-schema-present
MediaType declares schema (measured: 100% of this contract)
$.paths[*][get,put,post,delete,patch,options,head,trace].responses[*].content[*]
error
response-description-present
Response declares description (measured: 100% of this contract)
$.paths[*][get,put,post,delete,patch,options,head,trace].responses[*]
warn
response-description-min-length
Response.description runs at least 20 characters (measured: 97% of this contract)
$.paths[*][get,put,post,delete,patch,options,head,trace].responses[*].description
warn
response-content-present
Response declares content (measured: 91% of this contract)
$.paths[*][get,put,post,delete,patch,options,head,trace].responses[*]
error
header-schema-present
Header declares schema (measured: 100% of this contract)
$.paths[*][get,put,post,delete,patch,options,head,trace].responses[*].headers[*]
warn
schema-type-values
Schema.type is one of array, object, string (measured: 99% of this contract)
$.components.schemas[*].type
warn
schema-description-min-length
Schema.description runs at least 41 characters (measured: 95% of this contract)
$.components.schemas[*].description
error
schema-format-values
Schema.format is one of date-time, int32 (measured: 100% of this contract)
$.components.schemas[*].format

Spectral Ruleset

Raw ↑ 
# authorship: generated by API Evangelist tooling (derive-rules.py, 2026-11-01). x-method: generated
# Every rule below was MEASURED against Dash0's own contract before it was written; a rule is present only
# when the contract satisfies it at 80% or more. Severity: 100% -> error, >= 90% -> warn, else info.
# Provenance:
#   - operation-has-operationid: 100%
#   - operationid-casing-camel: 100%
#   - operation-has-summary: 100%
#   - operation-has-tags: 100%
#   - operation-has-success-response: 99%
#   - path-segment-casing-kebab: 98%
#   - path-no-trailing-slash: 100%
#   - path-params-in-braces: 100%
#   - servers-https: 100%
#   - write-declares-request-body: 98%
#   - response-media-type: 99%
#   - property-name-casing-camel: 87%
#   - info-has-description: 100%
#   - info-title-present: 100%
#   - info-title-min-length: 100%
#   - info-description-present: 100%
#   - info-description-min-length: 100%
#   - info-version-present: 100%
#   - info-version-semver: 100%
#   - server-url-present: 100%
#   - server-url-https: 100%
#   - server-description-present: 100%
#   - server-description-min-length: 100%
#   - tag-name-present: 100%
#   - operation-tags-present: 100%
#   - operation-summary-present: 100%
#   - operation-summary-min-length: 96%
#   - operation-description-min-length: 95%
#   - operation-operationid-present: 100%
#   - operation-operationid-casing-camel: 100%
#   - operation-responses-present: 100%
#   - parameter-name-present: 100%
#   - parameter-name-casing-camel: 94%
#   - parameter-in-present: 100%
#   - parameter-in-values: 100%
#   - parameter-description-min-length: 96%
#   - parameter-schema-present: 100%
#   - requestbody-content-present: 100%
#   - requestbody-required-present: 100%
#   - mediatype-schema-present: 100%
#   - response-description-present: 100%
#   - response-description-min-length: 98%
#   - response-content-present: 91%
#   - header-schema-present: 100%
#   - schema-type-values: 99%
#   - schema-description-min-length: 95%
#   - schema-format-values: 100%
x-method: generated
x-generator: derive-rules.py
x-generated: '2026-11-01'
x-source:
- openapi/dash0-edge-collectors-api-openapi.yml
- openapi/dash0-manage-agent0-automations-api-openapi.yml
- openapi/dash0-manage-alerting-api-openapi.yml
- openapi/dash0-manage-auth-tokens-api-openapi.yml
- openapi/dash0-manage-dashboards-api-openapi.yml
x-self-check:
  status: checked
  rules: 47
  dropped: {}
extends:
- - spectral:oas
  - recommended
formats:
- oas3
rules:
  operation-has-operationid:
    description: 'Every operation declares an operationId (measured: 100% of this contract)'
    severity: error
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: operationId
      function: truthy
    x-pattern-key: Operation.operationId|present
  operationid-casing-camel:
    description: 'operationIds are camel case (measured: 100% of this contract)'
    severity: error
    given: $.paths[*][get,post,put,patch,delete].operationId
    then:
      function: pattern
      functionOptions:
        match: ^[a-z][a-zA-Z0-9]*$
    x-pattern-key: Operation.operationId|pattern:^[a-z][a-zA-Z0-9]*$
  operation-has-summary:
    description: 'Every operation has a summary (measured: 100% of this contract)'
    severity: error
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: summary
      function: truthy
    x-pattern-key: Operation.summary|present
  operation-has-tags:
    description: 'Every operation is tagged (measured: 100% of this contract)'
    severity: error
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: tags
      function: truthy
    x-pattern-key: Operation.tags|present
  operation-has-success-response:
    description: 'Every operation declares a 2xx response (measured: 99% of this contract)'
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].responses
    then:
      function: schema
      functionOptions:
        schema:
          type: object
          patternProperties:
            ^2\d\d$: {}
          minProperties: 1
    x-pattern-key: Operation.responses|schema:07e20b47
  path-segment-casing-kebab:
    description: 'Path segments are kebab case (measured: 98% of this contract)'
    severity: warn
    given: $.paths[*]~
    then:
      function: pattern
      functionOptions:
        match: ^(/[a-z0-9]+(-[a-z0-9]+)*|/\{[^}]+\})+/?$
    x-pattern-key: Paths.{key}|pattern:^(/[a-z0-9]+(-[a-z0-9]+)*|/\{[^}]+\})+/?$
  path-no-trailing-slash:
    description: 'Paths carry no trailing slash (measured: 100% of this contract)'
    severity: error
    given: $.paths[*]~
    then:
      function: pattern
      functionOptions:
        notMatch: ./$
    x-pattern-key: Paths.{key}|pattern:!./$
  path-params-in-braces:
    description: 'Path parameters use {braces}, not :colon (measured: 100% of this contract)'
    severity: error
    given: $.paths[*]~
    then:
      function: pattern
      functionOptions:
        notMatch: ':'
    x-pattern-key: 'Paths.{key}|pattern:!:'
  servers-https:
    description: 'Servers are https (measured: 100% of this contract)'
    severity: error
    given: $.servers[*].url
    then:
      function: pattern
      functionOptions:
        match: ^(https://|\{)
    x-pattern-key: Server.url|pattern:^(https://|\{)
  write-declares-request-body:
    description: 'POST and PUT declare a request body (measured: 98% of this contract)'
    severity: warn
    given: $.paths[*][post,put]
    then:
      field: requestBody
      function: truthy
    x-pattern-key: Operation.requestBody|present
  response-media-type:
    description: 'Responses are served as application/json (measured: 98% of this contract)'
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].responses[*].content
    then:
      function: schema
      functionOptions:
        schema:
          type: object
          required:
          - application/json
    x-pattern-key: Response.content|schema:2919cf38
  property-name-casing-camel:
    description: 'Schema property names are camel case (measured: 86% of this contract)'
    severity: info
    given: $.components.schemas[*].properties[*]~
    then:
      function: pattern
      functionOptions:
        match: ^[a-z][a-zA-Z0-9]*$
    x-pattern-key: Schema.properties{key}|pattern:^[a-z][a-zA-Z0-9]*$
  info-has-description:
    description: 'The contract''s info block carries a description (measured: 100% of this contract)'
    severity: error
    given: $.info
    then:
      field: description
      function: truthy
    x-pattern-key: Info.description|present
  info-title-present:
    description: 'Info declares title (measured: 100% of this contract)'
    severity: error
    given: $.info
    then:
      field: title
      function: defined
    x-pattern-key: Info.title|present
  info-title-min-length:
    description: 'Info.title runs at least 19 characters (measured: 100% of this contract)'
    severity: error
    given: $.info.title
    then:
      function: length
      functionOptions:
        min: 19
    x-pattern-key: Info.title|length
  info-description-present:
    description: 'Info declares description (measured: 100% of this contract)'
    severity: error
    given: $.info
    then:
      field: description
      function: defined
    x-pattern-key: Info.description|present
  info-description-min-length:
    description: 'Info.description runs at least 2054 characters (measured: 100% of this contract)'
    severity: error
    given: $.info.description
    then:
      function: length
      functionOptions:
        min: 2054
    x-pattern-key: Info.description|length
  info-version-present:
    description: 'Info declares version (measured: 100% of this contract)'
    severity: error
    given: $.info
    then:
      field: version
      function: defined
    x-pattern-key: Info.version|present
  info-version-semver:
    description: 'info.version is numeric (measured: 100% of this contract)'
    severity: error
    given: $.info.version
    then:
      function: pattern
      functionOptions:
        match: ^v?\d+(\.\d+)*
    x-pattern-key: Info.version|pattern:^v?\d+(\.\d+)*
  server-url-present:
    description: 'Server declares url (measured: 100% of this contract)'
    severity: error
    given: $.servers[*]
    then:
      field: url
      function: defined
    x-pattern-key: Server.url|present
  server-url-https:
    description: 'Server.url is https (measured: 100% of this contract)'
    severity: error
    given: $.servers[*].url
    then:
      function: pattern
      functionOptions:
        match: ^https://
    x-pattern-key: Server.url|pattern:^https://
  server-description-present:
    description: 'Server declares description (measured: 100% of this contract)'
    severity: error
    given: $.servers[*]
    then:
      field: description
      function: defined
    x-pattern-key: Server.description|present
  server-description-min-length:
    description: 'Server.description runs at least 39 characters (measured: 100% of this contract)'
    severity: error
    given: $.servers[*].description
    then:
      function: length
      functionOptions:
        min: 39
    x-pattern-key: Server.description|length
  tag-name-present:
    description: 'Tag declares name (measured: 100% of this contract)'
    severity: error
    given: $.tags[*]
    then:
      field: name
      function: defined
    x-pattern-key: Tag.name|present
  operation-tags-present:
    description: 'Operation declares tags (measured: 100% of this contract)'
    severity: error
    given: $.paths[*][get,put,post,delete,patch,options,head,trace]
    then:
      field: tags
      function: defined
    x-pattern-key: Operation.tags|present
  operation-summary-present:
    description: 'Operation declares summary (measured: 100% of this contract)'
    severity: error
    given: $.paths[*][get,put,post,delete,patch,options,head,trace]
    then:
      field: summary
      function: defined
    x-pattern-key: Operation.summary|present
  operation-summary-min-length:
    description: 'Operation.summary runs at least 18 characters (measured: 96% of this contract)'
    severity: warn
    given: $.paths[*][get,put,post,delete,patch,options,head,trace].summary
    then:
      function: length
      functionOptions:
        min: 18
    x-pattern-key: Operation.summary|length
  operation-description-min-length:
    description: 'Operation.description runs at least 38 characters (measured: 95% of this contract)'
    severity: warn
    given: $.paths[*][get,put,post,delete,patch,options,head,trace].description
    then:
      function: length
      functionOptions:
        min: 38
    x-pattern-key: Operation.description|length
  operation-operationid-present:
    description: 'Operation declares operationId (measured: 100% of this contract)'
    severity: error
    given: $.paths[*][get,put,post,delete,patch,options,head,trace]
    then:
      field: operationId
      function: defined
    x-pattern-key: Operation.operationId|present
  operation-operationid-casing-camel:
    description: 'Operation.operationId is camel case (measured: 100% of this contract)'
    severity: error
    given: $.paths[*][get,put,post,delete,patch,options,head,trace].operationId
    then:
      function: pattern
      functionOptions:
        match: ^[a-z][a-zA-Z0-9]*$
    x-pattern-key: Operation.operationId|pattern:^[a-z][a-zA-Z0-9]*$
  operation-responses-present:
    description: 'Operation declares responses (measured: 100% of this contract)'
    severity: error
    given: $.paths[*][get,put,post,delete,patch,options,head,trace]
    then:
      field: responses
      function: defined
    x-pattern-key: Operation.responses|present
  parameter-name-present:
    description: 'Parameter declares name (measured: 100% of this contract)'
    severity: error
    given: $.paths[*][get,put,post,delete,patch,options,head,trace].parameters[*]
    then:
      field: name
      function: defined
    x-pattern-key: Parameter.name|present
  parameter-name-casing-camel:
    description: 'Parameter.name is camel case (measured: 93% of this contract)'
    severity: warn
    given: $.paths[*][get,put,post,delete,patch,options,head,trace].parameters[*].name
    then:
      function: pattern
      functionOptions:
        match: ^[a-z][a-zA-Z0-9]*$
    x-pattern-key: Parameter.name|pattern:^[a-z][a-zA-Z0-9]*$
  parameter-in-present:
    description: 'Parameter declares in (measured: 100% of this contract)'
    severity: error
    given: $.paths[*][get,put,post,delete,patch,options,head,trace].parameters[*]
    then:
      field: in
      function: defined
    x-pattern-key: Parameter.in|present
  parameter-in-values:
    description: 'Parameter.in is one of path, query (measured: 100% of this contract)'
    severity: error
    given: $.paths[*][get,put,post,delete,patch,options,head,trace].parameters[*].in
    then:
      function: enumeration
      functionOptions:
        values:
        - path
        - query
    x-pattern-key: Parameter.in|enum:path,query
  parameter-description-min-length:
    description: 'Parameter.description runs at least 18 characters (measured: 95% of this contract)'
    severity: warn
    given: $.paths[*][get,put,post,delete,patch,options,head,trace].parameters[*].description
    then:
      function: length
      functionOptions:
        min: 18
    x-pattern-key: Parameter.description|length
  parameter-schema-present:
    description: 'Parameter declares schema (measured: 100% of this contract)'
    severity: error
    given: $.paths[*][get,put,post,delete,patch,options,head,trace].parameters[*]
    then:
      field: schema
      function: defined
    x-pattern-key: Parameter.schema|present
  requestbody-content-present:
    description: 'RequestBody declares content (measured: 100% of this contract)'
    severity: error
    given: $.paths[*][get,put,post,delete,patch,options,head,trace].requestBody
    then:
      field: content
      function: defined
    x-pattern-key: RequestBody.content|present
  requestbody-required-present:
    description: 'RequestBody declares required (measured: 100% of this contract)'
    severity: error
    given: $.paths[*][get,put,post,delete,patch,options,head,trace].requestBody
    then:
      field: required
      function: defined
    x-pattern-key: RequestBody.required|present
  mediatype-schema-present:
    description: 'MediaType declares schema (measured: 100% of this contract)'
    severity: error
    given: $.paths[*][get,put,post,delete,patch,options,head,trace].responses[*].content[*]
    then:
      field: schema
      function: defined
    x-pattern-key: MediaType.schema|present
  response-description-present:
    description: 'Response declares description (measured: 100% of this contract)'
    severity: error
    given: $.paths[*][get,put,post,delete,patch,options,head,trace].responses[*]
    then:
      field: description
      function: defined
    x-pattern-key: Response.description|present
  response-description-min-length:
    description: 'Response.description runs at least 20 characters (measured: 97% of this contract)'
    severity: warn
    given: $.paths[*][get,put,post,delete,patch,options,head,trace].responses[*].description
    then:
      function: length
      functionOptions:
        min: 20
    x-pattern-key: Response.description|length
  response-content-present:
    description: 'Response declares content (measured: 91% of this contract)'
    severity: warn
    given: $.paths[*][get,put,post,delete,patch,options,head,trace].responses[*]
    then:
      field: content
      function: defined
    x-pattern-key: Response.content|present
  header-schema-present:
    description: 'Header declares schema (measured: 100% of this contract)'
    severity: error
    given: $.paths[*][get,put,post,delete,patch,options,head,trace].responses[*].headers[*]
    then:
      field: schema
      function: defined
    x-pattern-key: Header.schema|present
  schema-type-values:
    description: 'Schema.type is one of array, object, string (measured: 99% of this contract)'
    severity: warn
    given: $.components.schemas[*].type
    then:
      function: enumeration
      functionOptions:
        values:
        - array
        - object
        - string
    x-pattern-key: Schema.type|enum:array,object,string
  schema-description-min-length:
    description: 'Schema.description runs at least 41 characters (measured: 95% of this contract)'
    severity: warn
    given: $.components.schemas[*].description
    then:
      function: length
      functionOptions:
        min: 41
    x-pattern-key: Schema.description|length
  schema-format-values:
    description: 'Schema.format is one of date-time, int32 (measured: 100% of this contract)'
    severity: error
    given: $.components.schemas[*].format
    then:
      function: enumeration
      functionOptions:
        values:
        - date-time
        - int32
    x-pattern-key: Schema.format|enum:date-time,int32

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