Zamp Calculations API

The Calculations API from Zamp — 1 operation(s) for calculations.

Operations 1

POST /calculations POST /calculations #

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OpenAPI Specification

zamp-calculations-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Zamp Calculations API
  version: '2026-10-15'
  description: 'GENERATED FROM DOCUMENTATION by API Evangelist on 2026-10-15: 9 operation(s) read from 11 public documentation page(s) (each operation names its page in x-source). This is not the provider''s published contract; Zamp has published no machine-readable contract that the pipeline could find. Engine: local.'
  x-evidence-tiers:
    code-example: 11
    documentation: -2
    pages-with-code: 10
    pages-read: 11
  x-generated-from: documentation
  x-provenance: generated
  x-authored-by: API Evangelist
  x-generated: '2026-10-15'
  x-generator: generate-contract-from-docs.py
  x-engine: local
  x-sources:
  - https://developer.zamp.com/api-reference/filings.md
  - https://developer.zamp.com/api-reference/addresses.md
  - https://developer.zamp.com/api-reference/companies.md
  - https://developer.zamp.com/api-reference/introduction
  - https://developer.zamp.com/api-reference/tax-codes.md
  - https://developer.zamp.com/api-reference/calculations.md
  - https://developer.zamp.com/api-reference/introduction.md
  - https://developer.zamp.com/api-reference/transactions.md
  - https://developer.zamp.com/api-reference/registrations.md
  - https://developer.zamp.com/index.md
  - https://developer.zamp.com/guides/quickstart.md
servers:
- url: https://api.zamp.com
security:
- bearer: []
tags:
- name: Calculations
paths:
  /calculations:
    post:
      operationId: post_calculations
      tags:
      - Calculations
      summary: POST /calculations
      x-source: https://developer.zamp.com/api-reference/calculations.md
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PostCalculationsRequest'
      responses:
        '201':
          description: Success (shape read from the example response on the page)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PostCalculationsResponse'
      x-evidence:
        kind: code-example
        language: curl
        snippet: "curl -X POST https://api.zamp.com/calculations  -H \"Authorization: Bearer {token}\"  -H \"Content-Type: application/json\"  -d '{\n      \"id\": \"123\",\n      \"name\": \"INV-123\",\n      \"transactedAt\": \"2023-07-01T00:00:00.000Z\",\n      \"isResale\": false,\n      \"discount\": 2,\n      \"subtotal\": 18,\n      \"shippingHandling\": 5,\n      \"total\": 23,\n      \"shipToAddress\": {\n        \"line1\": \"120 SW 10TH AVE\",\n  "
components:
  schemas:
    PostCalculationsRequest:
      type: object
      properties:
        id:
          type: string
        name:
          type: string
        transactedAt:
          type: string
          format: date-time
        isResale:
          type: boolean
        discount:
          type: integer
        subtotal:
          type: integer
        shippingHandling:
          type: integer
        total:
          type: integer
        shipToAddress:
          type: object
          properties:
            line1:
              type: string
            line2:
              type:
              - string
              - 'null'
            state:
              type: string
            city:
              type: string
            zip:
              type: string
            coordinates:
              type:
              - string
              - 'null'
        lineItems:
          type: array
          items:
            type: object
            properties:
              id:
                type: string
              amount:
                type: integer
              quantity:
                type: integer
              discount:
                type: integer
              shippingHandling:
                type: integer
              productName:
                type: string
              productSku:
                type: string
              productTaxCode:
                type: string
    PostCalculationsResponse:
      type: object
      properties:
        id:
          type: string
        name:
          type: string
        taxDue:
          type: number
        taxes:
          type: array
          items:
            type: object
            properties:
              lineItemId:
                type: string
              state:
                type: string
              sourcing:
                type: string
              jurisdictionCode:
                type: string
              jurisdictionName:
                type: string
              jurisdictionDivision:
                type: string
              compositeCode:
                type: string
              compositeName:
                type: string
              exceptionCode:
                type: string
              ancillaryType:
                type:
                - string
                - 'null'
              taxableAmount:
                type: integer
              nontaxableAmount:
                type: integer
              excludedAmount:
                type: integer
              taxRate:
                type: number
              taxDue:
                type: number
              taxCollected:
                type: integer
  securitySchemes:
    bearer:
      type: http
      scheme: bearer