openapi: 3.0.3
info:
  title: Patch Carbon Order Line Items API
  version: '2'
  description: 'The Patch API lets developers browse verified carbon projects, generate

    emissions estimates, and place orders for carbon credits and removals.

    Reconstructed from the publicly published patch-python, patch-node, and

    patch-ruby SDKs (auto-generated by openapi-generator from the official

    Patch OpenAPI document).

    '
  contact:
    name: Patch Engineering
    email: engineering@usepatch.com
    url: https://docs.patch.io/
  license:
    name: Proprietary
    url: https://www.patch.io/terms
servers:
- url: https://api.patch.io
  description: Production API
security:
- bearerAuth: []
tags:
- name: Order Line Items
  description: Manage individual line items inside a multi-line carbon credit order.
paths:
  /v1/orders/{order_id}/line_items:
    post:
      tags:
      - Order Line Items
      operationId: createOrderLineItem
      summary: Create An Order Line Item
      description: Adds a new line item to a draft order tying a specific project, vintage, and quantity to the order.
      parameters:
      - name: order_id
        in: path
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateOrderLineItemRequest'
      responses:
        '200':
          description: Order line item response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OrderLineItemResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /v1/orders/{order_id}/line_items/{serial_number}:
    patch:
      tags:
      - Order Line Items
      operationId: updateOrderLineItem
      summary: Update An Order Line Item
      description: Updates an existing line item on a draft order.
      parameters:
      - name: order_id
        in: path
        required: true
        schema:
          type: string
      - name: serial_number
        in: path
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/UpdateOrderLineItemRequest'
      responses:
        '200':
          description: Order line item response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OrderLineItemResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    delete:
      tags:
      - Order Line Items
      operationId: deleteOrderLineItem
      summary: Delete An Order Line Item
      description: Removes a line item from a draft order.
      parameters:
      - name: order_id
        in: path
        required: true
        schema:
          type: string
      - name: serial_number
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Order line item response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OrderLineItemResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  schemas:
    ErrorResponse:
      type: object
      properties:
        success:
          type: boolean
          example: false
        error:
          type: object
          properties:
            code:
              type: integer
            message:
              type: string
        data:
          nullable: true
        meta:
          type: object
          properties:
            patch_version:
              type: integer
    Meta:
      type: object
      description: Pagination and response metadata block returned on list endpoints.
      properties:
        prev_page:
          type: integer
          nullable: true
        next_page:
          type: integer
          nullable: true
    OrderLineItemResponse:
      type: object
      properties:
        success:
          type: boolean
        error:
          nullable: true
        data:
          $ref: '#/components/schemas/OrderLineItem'
        meta:
          $ref: '#/components/schemas/Meta'
    OrderLineItemProject:
      type: object
      properties:
        id:
          type: string
        name:
          type: string
    OrderLineItem:
      type: object
      properties:
        id:
          type: string
        project:
          $ref: '#/components/schemas/OrderLineItemProject'
        vintage_year:
          type: integer
          nullable: true
        vintage_start_year:
          type: integer
          nullable: true
        vintage_end_year:
          type: integer
          nullable: true
        amount:
          type: integer
          description: Mass in grams.
        unit:
          type: string
          example: g
        price:
          type: integer
        currency:
          type: string
          example: USD
    UpdateOrderLineItemRequest:
      type: object
      properties:
        vintage_year:
          type: integer
        vintage_start_year:
          type: integer
        vintage_end_year:
          type: integer
        price:
          type: integer
        currency:
          type: string
          example: USD
        amount:
          type: integer
        unit:
          type: string
          example: g
    CreateOrderLineItemRequest:
      type: object
      required:
      - project_id
      properties:
        project_id:
          type: string
        vintage_year:
          type: integer
        vintage_start_year:
          type: integer
        vintage_end_year:
          type: integer
        price:
          type: integer
        currency:
          type: string
          example: USD
        amount:
          type: integer
        unit:
          type: string
          example: g
  responses:
    NotFound:
      description: The requested resource was not found.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    BadRequest:
      description: Request was malformed or failed validation.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    Unauthorized:
      description: API key missing, malformed, or invalid.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: API key bearer token issued from the Patch dashboard. Sandbox and live keys are separated.