Unpaywall API — DOI Lookup

naftiko: 1.0.0-alpha2
info:
  label: Unpaywall API — DOI Lookup
  description: 'Unpaywall API — DOI Lookup. 1 operations. Lead operation: Get Open Access Status by DOI. Self-contained Naftiko
    capability covering one Unpaywall business surface.'
  tags:
  - Unpaywall
  - DOI Lookup
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    UNPAYWALL_API_KEY: UNPAYWALL_API_KEY
capability:
  consumes:
  - type: http
    namespace: unpaywall-doi-lookup
    baseUri: https://api.unpaywall.org/v2
    description: Unpaywall API — DOI Lookup business capability. Self-contained, no shared references.
    resources:
    - name: doi
      path: /{doi}
      operations:
      - name: getbydoi
        method: GET
        description: Get Open Access Status by DOI
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: doi
          in: path
          type: string
          description: The DOI of the article (e.g., 10.1038/nature12373)
          required: true
        - name: email
          in: query
          type: string
          description: Your email address — required for all API calls to identify usage
          required: true
  exposes:
  - type: rest
    namespace: unpaywall-doi-lookup-rest
    port: 8080
    description: REST adapter for Unpaywall API — DOI Lookup. One Spectral-compliant resource per consumed operation, prefixed
      with /v1.
    resources:
    - path: /v1/{doi}
      name: doi
      description: REST surface for doi.
      operations:
      - method: GET
        name: getbydoi
        description: Get Open Access Status by DOI
        call: unpaywall-doi-lookup.getbydoi
        with:
          doi: rest.doi
          email: rest.email
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: unpaywall-doi-lookup-mcp
    port: 9090
    transport: http
    description: MCP adapter for Unpaywall API — DOI Lookup. One tool per consumed operation, routed inline through this capability's
      consumes block.
    tools:
    - name: get-open-access-status-doi
      description: Get Open Access Status by DOI
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: unpaywall-doi-lookup.getbydoi
      with:
        doi: tools.doi
        email: tools.email
      outputParameters:
      - type: object
        mapping: $.