Composio API Rules

extends:
  - spectral:oas

# Spectral linting rules tuned for the Composio v3 API.
# Validates that OpenAPI specs follow the conventions described at
# https://docs.composio.dev/reference — API key authentication via
# x-api-key (project) or x-org-api-key (organization) headers, JSON
# request and response bodies, and resource-oriented v3 paths under
# https://backend.composio.dev/api/v3.
rules:
  composio-info-contact:
    description: API contact information must be present.
    severity: error
    given: "$.info"
    then:
      field: contact
      function: truthy

  composio-info-terms:
    description: API terms of service must be declared.
    severity: warn
    given: "$.info"
    then:
      field: termsOfService
      function: truthy

  composio-server-https:
    description: All server URLs must use HTTPS.
    severity: error
    given: "$.servers[*].url"
    then:
      function: pattern
      functionOptions:
        match: "^https://"

  composio-server-versioned:
    description: Server URLs must include the /api/v3 segment.
    severity: warn
    given: "$.servers[*].url"
    then:
      function: pattern
      functionOptions:
        match: "/api/v3$"

  composio-apikey-security:
    description: An x-api-key header security scheme must be defined.
    severity: error
    given: "$.components.securitySchemes"
    then:
      function: truthy

  composio-operation-tags:
    description: Every operation must declare at least one tag.
    severity: warn
    given: "$.paths[*][get,post,put,patch,delete]"
    then:
      field: tags
      function: schema
      functionOptions:
        schema:
          type: array
          minItems: 1

  composio-operation-summary:
    description: Every operation must include a short summary.
    severity: warn
    given: "$.paths[*][get,post,put,patch,delete]"
    then:
      field: summary
      function: truthy

  composio-operation-id:
    description: Every operation must declare a unique operationId.
    severity: error
    given: "$.paths[*][get,post,put,patch,delete]"
    then:
      field: operationId
      function: truthy

  composio-error-responses:
    description: Mutating operations should declare 4xx error responses.
    severity: warn
    given: "$.paths[*][post,put,patch,delete].responses"
    then:
      function: schema
      functionOptions:
        schema:
          type: object
          anyOf:
            - required: ["400"]
            - required: ["401"]
            - required: ["403"]
            - required: ["404"]
            - required: ["422"]

  composio-resource-naming:
    description: Resource path segments should use camelCase, matching the v3 surface.
    severity: info
    given: "$.paths"
    then:
      function: truthy