BNY Mellon · API Governance Rules

BNY Mellon — bny mellon rules

Spectral linting rules defining API design standards and conventions for BNY Mellon.

16 Rules error 10 warn 6
Authorship not recorded No authorship marker is recorded for this file. It is not presented as the provider's; it was most likely written by an API Evangelist pass before outputs were stamped.
View Rules File View on GitHub

Rule Categories

get info oauth2 openapi operation parameter paths response schema security servers

Rules

error
info-title-required
Info must have a title
$.info
error
info-version-required
Info must have a version
$.info
error
openapi-version-3
Must use OpenAPI 3.x
$
error
servers-https-only
All server URLs must use HTTPS
$.servers[*].url
error
operation-summary-required
Every operation must have a summary
$.paths[*][get,post,put,patch,delete]
error
operation-id-required
Every operation must have an operationId
$.paths[*][get,post,put,patch,delete]
warn
operation-id-camel-case
OperationIds should use camelCase
$.paths[*][get,post,put,patch,delete].operationId
warn
operation-tags-required
Every operation must have tags
$.paths[*][get,post,put,patch,delete]
error
response-description-required
Every response must have a description
$.paths[*][get,post,put,patch,delete].responses[*]
warn
response-401-defined
Operations should define 401 response
$.paths[*][post,put,patch,delete]
error
security-schemes-defined
Security schemes must be defined
$.components
error
oauth2-required
BNY Mellon APIs must use OAuth2 authentication
$.components.securitySchemes[*]
warn
parameter-description-required
All parameters must have descriptions
$.paths[*][get,post,put,patch,delete].parameters[*]
warn
schema-type-defined
All schemas should have a type
$.components.schemas[*]
error
get-no-request-body
GET operations must not have a request body
$.paths[*].get
warn
paths-kebab-case
Path segments should use kebab-case
$.paths

Spectral Ruleset

Raw ↑
rules:
  info-title-required:
    description: Info must have a title
    severity: error
    given: $.info
    then:
      field: title
      function: truthy
  info-version-required:
    description: Info must have a version
    severity: error
    given: $.info
    then:
      field: version
      function: truthy
  openapi-version-3:
    description: Must use OpenAPI 3.x
    severity: error
    given: $
    then:
      field: openapi
      function: pattern
      functionOptions:
        match: "^3\\."
  servers-https-only:
    description: All 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,patch,delete]
    then:
      field: summary
      function: truthy
  operation-id-required:
    description: Every operation must have an operationId
    severity: error
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: operationId
      function: truthy
  operation-id-camel-case:
    description: OperationIds should use camelCase
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].operationId
    then:
      function: pattern
      functionOptions:
        match: "^[a-z][a-zA-Z0-9]*$"
  operation-tags-required:
    description: Every operation must have tags
    severity: warn
    given: $.paths[*][get,post,put,patch,delete]
    then:
      field: tags
      function: truthy
  response-description-required:
    description: Every response must have a description
    severity: error
    given: $.paths[*][get,post,put,patch,delete].responses[*]
    then:
      field: description
      function: truthy
  response-401-defined:
    description: Operations should define 401 response
    severity: warn
    given: $.paths[*][post,put,patch,delete]
    then:
      field: responses.401
      function: truthy
  security-schemes-defined:
    description: Security schemes must be defined
    severity: error
    given: $.components
    then:
      field: securitySchemes
      function: truthy
  oauth2-required:
    description: BNY Mellon APIs must use OAuth2 authentication
    severity: error
    given: $.components.securitySchemes[*]
    then:
      field: type
      function: pattern
      functionOptions:
        match: "^oauth2$"
  parameter-description-required:
    description: All parameters must have descriptions
    severity: warn
    given: $.paths[*][get,post,put,patch,delete].parameters[*]
    then:
      field: description
      function: truthy
  schema-type-defined:
    description: All schemas should have a type
    severity: warn
    given: $.components.schemas[*]
    then:
      field: type
      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
  paths-kebab-case:
    description: Path segments should use kebab-case
    severity: warn
    given: $.paths
    then:
      function: pattern
      functionOptions:
        match: "^(/[a-z0-9][a-z0-9-]*|/\\{[a-zA-Z]+\\})*/*$"

Work with this as data

Every ruleset here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for spectral rules

4 MCP tools reach this
  • find_rulesBrowse and filter every ruleset in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This ruleset
curl "https://apis.io/api/v1/rules/bny-mellon-spectral-rules"
All spectral rules
curl "https://apis.io/api/v1/rules?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.