Customer.io App API — Newsletters

naftiko: 1.0.0-alpha2
info:
  label: Customer.io App API — Newsletters
  description: 'Customer.io App API — Newsletters. 3 operations. Lead operation: List newsletters. Self-contained Naftiko
    capability covering one Customer Io business surface.'
  tags:
  - Customer Io
  - Newsletters
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    CUSTOMER_IO_API_KEY: CUSTOMER_IO_API_KEY
capability:
  consumes:
  - type: http
    namespace: app-newsletters
    baseUri: https://api.customer.io/v1
    description: Customer.io App API — Newsletters business capability. Self-contained, no shared references.
    resources:
    - name: newsletters
      path: /newsletters
      operations:
      - name: listnewsletters
        method: GET
        description: List newsletters
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: newsletters-newsletter_id
      path: /newsletters/{newsletter_id}
      operations:
      - name: getnewsletter
        method: GET
        description: Get a newsletter
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    - name: newsletters-newsletter_id-metrics
      path: /newsletters/{newsletter_id}/metrics
      operations:
      - name: getnewslettermetrics
        method: GET
        description: Get newsletter metrics
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
    authentication:
      type: bearer
      token: '{{env.CUSTOMER_IO_API_KEY}}'
  exposes:
  - type: rest
    namespace: app-newsletters-rest
    port: 8080
    description: REST adapter for Customer.io App API — Newsletters. One Spectral-compliant resource per consumed operation,
      prefixed with /v1.
    resources:
    - path: /v1/newsletters
      name: newsletters
      description: REST surface for newsletters.
      operations:
      - method: GET
        name: listnewsletters
        description: List newsletters
        call: app-newsletters.listnewsletters
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/newsletters/{newsletter-id}
      name: newsletters-newsletter-id
      description: REST surface for newsletters-newsletter_id.
      operations:
      - method: GET
        name: getnewsletter
        description: Get a newsletter
        call: app-newsletters.getnewsletter
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/newsletters/{newsletter-id}/metrics
      name: newsletters-newsletter-id-metrics
      description: REST surface for newsletters-newsletter_id-metrics.
      operations:
      - method: GET
        name: getnewslettermetrics
        description: Get newsletter metrics
        call: app-newsletters.getnewslettermetrics
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: app-newsletters-mcp
    port: 9090
    transport: http
    description: MCP adapter for Customer.io App API — Newsletters. One tool per consumed operation, routed inline through
      this capability's consumes block.
    tools:
    - name: list-newsletters
      description: List newsletters
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: app-newsletters.listnewsletters
      outputParameters:
      - type: object
        mapping: $.
    - name: get-newsletter
      description: Get a newsletter
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: app-newsletters.getnewsletter
      outputParameters:
      - type: object
        mapping: $.
    - name: get-newsletter-metrics
      description: Get newsletter metrics
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: app-newsletters.getnewslettermetrics
      outputParameters:
      - type: object
        mapping: $.