aid: taxjar
name: TaxJar
description: >-
  TaxJar is a sales tax automation platform, now a Stripe company, providing
  APIs for real-time sales tax calculations, rooftop-level rate lookups,
  transaction recording, and automated filing across US states and international
  jurisdictions. The platform supports e-commerce businesses of all sizes with
  sub-20ms response times, 99.999% historical uptime, and AI-powered product
  tax classification. TaxJar handles nexus tracking, exemption certificate
  management, and AutoFile returns so merchants can stay compliant without
  manual effort. Official client libraries are available for Ruby, Python, PHP,
  Node.js, C#/.NET, Java, and Go.
type: Index
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
tags:
  - Sales Tax
  - Tax Compliance
  - E-Commerce
  - Tax Calculation
  - Tax Automation
  - Stripe
  - FinTech
url: https://raw.githubusercontent.com/api-evangelist/taxjar/refs/heads/main/apis.yml
created: '2026-06-12'
modified: '2026-06-12'
specificationVersion: '0.19'
apis:
  - name: TaxJar Sales Tax API
    description: >-
      REST API for real-time sales tax calculation, rate lookups, tax category
      listing, transaction management (create, update, delete, list), customer
      exemption management, nexus region tracking, and address validation.
      Supports token-based authentication via Authorization header.
    image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://developers.taxjar.com/api/reference/
    baseURL: https://api.taxjar.com/v2/
    tags:
      - Sales Tax
      - Tax Calculation
      - Tax Rates
      - Transactions
      - Exemptions
      - Nexus
    properties:
      - type: Documentation
        url: https://developers.taxjar.com/api/reference/
      - type: Guides
        url: https://developers.taxjar.com/api/guides/
      - type: Sandbox
        url: https://api.sandbox.taxjar.com/v2/
      - type: OpenAPI
        url: openapi/taxjar-sales-tax-openapi.yml
      - type: JSONSchema
        url: json-schema/taxjar-order-schema.json
      - type: JSONSchema
        url: json-schema/taxjar-tax-calculation-schema.json
common:
  - type: Website
    url: https://www.taxjar.com
  - type: Documentation
    url: https://developers.taxjar.com/
  - type: APIReference
    url: https://developers.taxjar.com/api/reference/
  - type: GitHubOrganization
    url: https://github.com/taxjar
  - type: LinkedIn
    url: https://www.linkedin.com/company/taxjar
  - type: Blog
    url: https://developers.taxjar.com/blog/
  - type: Pricing
    url: https://www.taxjar.com/pricing/
  - type: StatusPage
    url: https://status.taxjar.com
  - type: X
    url: https://x.com/taxjardev
  - type: Support
    url: https://support.taxjar.com/category/233-taxjar-api
  - type: Signup
    url: https://app.taxjar.com/api_sign_up/
  - type: Plans
    url: plans/taxjar-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/taxjar-rate-limits.yml
  - type: FinOps
    url: finops/taxjar-finops.yml
  - type: Vocabulary
    url: vocabulary/taxjar-vocabulary.yml
  - type: JSONLDContext
    url: json-ld/taxjar-context.jsonld
  - type: BlogFeed
    url: blogs/blogs.json
maintainers:
  - FN: Kin Lane
    email: kin@apievangelist.com