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OpenAPI Specification

openapi: 3.2.0
info:
  title: EcoCheck public agent Cbam API
  version: 1.0.0
  description: 'EcoCheck (by BeevR) is a Vietnamese greenhouse-gas inventory platform and service: Scope 1/2/3 calculation, reports under Decree 06/2022 – Circular 38 and ISO 14064, CBAM and ESG. This endpoint gives read-only access to its obligation checker, EU CBAM calculators (scope check, default values, certificate cost), an ISO 14064-1 GHG inventory calculator and guide, 2026 regulations, services, pricing and Vietnamese articles. Read-only, no authentication, JSON responses.'
  contact:
    name: EcoCheck
    url: https://ecocheck.ai/contact
    email: connect@beevr.ai
servers:
- url: https://ecocheck.ai/agent-api
tags:
- name: Cbam
paths:
  /cbam/scope:
    get:
      operationId: cbamScopeCheck
      summary: 'EU CBAM: is this CN code covered, which category, indirect emissions counted…'
      parameters:
      - name: cn_code
        in: query
        required: true
        schema:
          type: string
        description: CN code, 4-8 digits (8 for a definite answer)
      - name: country
        in: query
        schema:
          type: string
          default: VN
      responses:
        '200':
          description: Scope result
          content:
            application/json: {}
      tags:
      - Cbam
  /cbam/default-value:
    get:
      operationId: cbamDefaultValue
      summary: EU CBAM default value (Reg 2025/2621 corrected by 2026/1740) with the mark-up…
      parameters:
      - name: cn_code
        in: query
        required: true
        schema:
          type: string
      - name: country
        in: query
        schema:
          type: string
          default: VN
      - name: year
        in: query
        schema:
          type: integer
          minimum: 2026
          maximum: 2034
          default: 2026
      - name: variant
        in: query
        schema:
          type: string
          enum:
          - GREY
          - WHITE
      responses:
        '200':
          description: Default value, mark-up, candidates when the code has no row
          content:
            application/json: {}
      tags:
      - Cbam
  /cbam/cost:
    get:
      operationId: estimateCbamCost
      summary: Indicative CBAM certificate cost after the free-allocation adjustment (Reg…
      parameters:
      - name: cn_code
        in: query
        required: true
        schema:
          type: string
      - name: tonnes
        in: query
        required: true
        schema:
          type: number
          exclusiveMinimum: 0
      - name: country
        in: query
        schema:
          type: string
          default: VN
      - name: year
        in: query
        schema:
          type: integer
          minimum: 2026
          maximum: 2034
          default: 2026
      - name: actual_see
        in: query
        schema:
          type: number
          minimum: 0
        description: Producer actual SEE, tCO2e/t
      - name: certificate_price_eur
        in: query
        schema:
          type: number
          exclusiveMinimum: 0
      responses:
        '200':
          description: Embedded emissions, adjustment, certificates, EUR
          content:
            application/json: {}
      tags:
      - Cbam