TaxNexus

TaxNexus is a cannabis tax compliance REST API and financial technology service that automates calculation of state, county, and local cannabis excise taxes across supported jurisdictions including California and Oregon. Cannabis POS and ERP software developers can integrate with the TaxNexus API to calculate excise taxes, track and store tax data, and file monthly cannabis tax returns. The platform serves cannabis businesses, software makers, and accountants seeking to automate real-world cannabis tax compliance problems for recreational and medical cannabis taxpayers.

TaxNexus publishes 1 API on the APIs.io network. Tagged areas include Tax, Cannabis, Sales Tax, Tax Compliance, and Excise Tax.

TaxNexus’ developer surface includes documentation, engineering blog, pricing, and 8 more developer resources.

🌐 Visit website 📡 Source on GitHub

22.4/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1

AccessFreemium

1 APIs

TaxCannabisSales TaxTax ComplianceExcise TaxFinTechCannabis Industry

Kin Score

Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1

Composite quality — 22.4/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 2.2 / 20

Commercial Clarity 10.0 / 20

Operational Transparency 3.4 / 13

Governance 0.0 / 12

Discoverability 6.9 / 10

Agent readiness — 3/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/taxnexus: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

Rate Limits 1

Documented rate limits and quota policies.

Taxnexus Rate Limits

2 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrg

GitHubOrg

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

RateLimits

RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

Plans

Plans

FinOps

FinOps

Company 3

The organization behind the API

Website

Website

LinkedIn

Blog

Blog

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

aid: taxnexus
name: TaxNexus
description: 'TaxNexus is a cannabis tax compliance REST API and financial technology service that automates calculation of
  state, county, and local cannabis excise taxes across supported jurisdictions including California and Oregon. Cannabis
  POS and ERP software developers can integrate with the TaxNexus API to calculate excise taxes, track and store tax data,
  and file monthly cannabis tax returns. The platform serves cannabis businesses, software makers, and accountants seeking
  to automate real-world cannabis tax compliance problems for recreational and medical cannabis taxpayers.

  '
type: Index
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/taxnexus.png
url: https://raw.githubusercontent.com/api-evangelist/taxnexus/refs/heads/main/apis.yml
created: 2026-06-13
modified: 2026-06-13
specificationVersion: '0.19'
tags:
- Tax
- Cannabis
- Sales Tax
- Tax Compliance
- Excise Tax
- FinTech
- Cannabis Industry
apis:
- aid: taxnexus:taxnexus-api
  name: TaxNexus API
  description: 'RESTful HTTPS-based API for cannabis tax compliance. Enables calculation of state, county, and local cannabis
    excise taxes, storage of tax data, and support for monthly cannabis tax return filing across supported jurisdictions.
    Uses JSON strings and inline parameters for all API interactions.

    '
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://taxnexus.io/index.php/taxnexus-api/
  baseURL: https://taxnexus.dev
  tags:
  - Cannabis Tax
  - Excise Tax
  - Sales Tax
  - Compliance
  - REST API
  properties:
  - type: Documentation
    url: https://taxnexus.io/index.php/taxnexus-api/
  - type: Website
    url: https://taxnexus.io/
common:
- type: DomainSecurity
  url: security/taxnexus-domain-security.yml
- type: Website
  url: https://taxnexus.io/
- type: Documentation
  url: https://taxnexus.io/index.php/taxnexus-api/
- type: GitHubOrg
  url: https://github.com/taxnexus
- type: LinkedIn
  url: https://www.linkedin.com/company/taxnexus-ai
- type: Blog
  url: https://medium.com/@taxnexus
- type: Pricing
  url: https://taxnexus.io/
- type: X
  url: https://x.com/taxnexus
- type: Plans
  url: plans/taxnexus-plans-pricing.yml
- type: RateLimits
  url: rate-limits/taxnexus-rate-limits.yml
- type: FinOps
  url: finops/taxnexus-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

TaxNexus

Kin Score

APIs 1

TaxNexus API

Pricing Plans 1

Taxnexus Plans Pricing