openapi: 3.2.0
info:
  title: Ad Seller System Supply Chain API
  description: IAB OpenDirect 2.1 compliant seller agent for programmatic advertising. Supports product discovery, tiered pricing, proposal evaluation, multi-round negotiation, deal execution, order management, and change requests.
  contact:
    name: IAB Tech Lab
    url: https://iabtechlab.com/
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
  version: 1.0.0
tags:
- name: Supply Chain
  description: Supply chain transparency (sellers.json-like self-description)
paths:
  /api/v1/supply-chain:
    get:
      tags:
      - Supply Chain
      summary: Get Supply Chain
      description: 'Return sellers.json-based self-description of this seller instance.


        If SELLERS_JSON_PATH is configured, parses the real sellers.json file

        per IAB spec. Otherwise returns a default single-node chain.

        Also includes an OpenRTB-compatible schain object.'
      operationId: get_supply_chain_api_v1_supply_chain_get
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SupplyChainResponse'
components:
  schemas:
    SupplyChainNodeModel:
      properties:
        asi:
          type: string
          title: Asi
        sid:
          type: string
          title: Sid
        name:
          type: string
          title: Name
        domain:
          type: string
          title: Domain
        seller_type:
          type: string
          title: Seller Type
        is_direct:
          type: boolean
          title: Is Direct
        comment:
          anyOf:
          - type: string
          - type: 'null'
          title: Comment
      type: object
      required:
      - asi
      - sid
      - name
      - domain
      - seller_type
      - is_direct
      title: SupplyChainNodeModel
      description: A node in the supply chain (sellers.json format).
    SupplyChainResponse:
      properties:
        seller_id:
          type: string
          title: Seller Id
        seller_name:
          type: string
          title: Seller Name
        seller_type:
          type: string
          title: Seller Type
        domain:
          type: string
          title: Domain
        is_direct:
          type: boolean
          title: Is Direct
        supported_deal_types:
          items:
            type: string
          type: array
          title: Supported Deal Types
        contact_email:
          anyOf:
          - type: string
          - type: 'null'
          title: Contact Email
        schain:
          items:
            $ref: '#/components/schemas/SupplyChainNodeModel'
          type: array
          title: Schain
        version:
          type: string
          title: Version
          default: '1.0'
      type: object
      required:
      - seller_id
      - seller_name
      - seller_type
      - domain
      - is_direct
      - supported_deal_types
      - schain
      title: SupplyChainResponse
      description: Supply chain transparency response (sellers.json-like self-description).