Tabby Checkout API — Sessions

naftiko: 1.0.0-alpha2
info:
  label: Tabby Checkout API — Sessions
  description: 'Tabby Checkout API — Sessions. 2 operations covering session creation and retrieval. Lead operation:
    Tabby Create A Session. Self-contained Naftiko capability for the Tabby checkout business surface.'
  tags:
  - Tabby
  - BNPL
  - Checkout
  - Sessions
  created: '2026-05-24'
  modified: '2026-05-24'
binds:
- namespace: env
  keys:
    TABBY_SECRET_KEY: TABBY_SECRET_KEY
capability:
  consumes:
  - type: http
    namespace: checkout-sessions
    baseUri: https://api.tabby.ai
    description: Tabby Checkout API — Sessions consume block. Posts buyer/order data to /api/v2/checkout and
      retrieves sessions by id. Switch baseUri to https://api.tabby.sa for KSA.
    resources:
    - name: checkout
      path: /api/v2/checkout
      operations:
      - name: createsession
        method: POST
        description: Tabby Create A Session — creates Session and Payment, returns pre-scoring result and hosted
          web_url.
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          description: Checkout creation payload — payment, lang (ar|en), merchant_code, optional merchant_urls.
          required: true
    - name: checkout-by-id
      path: /api/v2/checkout/{id}
      operations:
      - name: getsession
        method: GET
        description: Tabby Retrieve An Existing Checkout Session by id.
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: id
          in: path
          type: string
          description: Checkout session UUID.
          required: true
    authentication:
      type: bearer
      value: '{{env.TABBY_SECRET_KEY}}'
      placement: header
  exposes:
  - type: rest
    namespace: checkout-sessions-rest
    port: 8080
    description: REST adapter for Tabby Checkout — Sessions. One Spectral-compliant resource per consumed operation.
    resources:
    - path: /v1/checkout
      name: checkout
      description: REST surface for Tabby checkout session creation.
      operations:
      - method: POST
        name: createsession
        description: Create a Tabby checkout session.
        call: checkout-sessions.createsession
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/checkout/{id}
      name: checkout-by-id
      description: REST surface for retrieving an existing checkout session.
      operations:
      - method: GET
        name: getsession
        description: Retrieve a Tabby checkout session by id.
        call: checkout-sessions.getsession
        with:
          id: rest.path.id
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: checkout-sessions-mcp
    port: 9090
    transport: http
    description: MCP adapter for Tabby Checkout — Sessions. One tool per consumed operation.
    tools:
    - name: tabby-create-checkout-session
      description: Create a Tabby checkout session for a Pay-in-4 or monthly installment payment.
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: checkout-sessions.createsession
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: tabby-get-checkout-session
      description: Retrieve a Tabby checkout session by id.
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: checkout-sessions.getsession
      with:
        id: tools.id
      outputParameters:
      - type: object
        mapping: $.