ChatGPT and Claude are powerful, but their tax answers come from training data. They fabricate section numbers, cite regulations that do not exist, and sound confident doing it. You cannot put that in a client file.
Checkpoint and CCH still charge enterprise rates for access to primary authority. Most small and mid-size firms are paying for more than they need, or going without.
Looking something up in one tool, verifying it in another, drafting the memo in a third. Every switch costs time you could be spending with clients.
Go to platform.bizora.ai, create an account, add credits, and generate a key. Each query costs $0.25.
Open your Claude Desktop config file and add the Bizora MCP server block below. One URL, one Bearer token.
Look for the hammer icon in Claude. Click it and you will see tax-research listed. Ask anything. Claude calls Bizora automatically.
TWO WAYS TO USE BIZORA
Use Inside Claude
Ideal for practitioners
Add Bizora to Claude Desktop and ask tax questions the same way you would ask a senior associate. Answers come back with primary source citations you can trace and defend
Works inside Claude Desktop on Mac and PC
No coding experience needed
The tax-research tool activates automatically
Every answer includes source citations and metadata
$0.25 per query, pay as you go
Node.js required for setup (free, one-time install)
Embed in Your Product
Ideal for developers
The Bizora API is OpenAI-compatible. Drop it into any application already talking to an AI model. Deep research, document analysis, and streaming in a single endpoint.
REST API with OpenAI-compatible interface
Real-time streaming responses
Deep multi-step research with reasoning trail
Document analysis and extraction
White-label ready
COVERAGE
Federal
Internal Revenue Code
Treasury Regulations (final, temporary, and proposed)
IRS Revenue Rulings and Procedures
IRS Notices and Announcements
Chief Counsel Advice
Tax Court and Federal Circuit case law
All 50 States
Statutes, regulations, and agency guidance
Nexus and apportionment rules
State conformity and non-conformity to federal provisions
International
GILTI, FDII, Subpart F, Section 245A
U.S. treaty networks
OECD Pillar Two frameworks
EU VAT rules
Cross-border M&A and inbound/outbound structuring
Deep Research Mode
Breaks complex multi-issue questions into sub-questions
Queries multiple authorities independently
Synthesizes findings with citations from each step
Every answer includes View Steps so you can trace the reasoning
COMPARISON
PRICING
Flexible subscriptions for tax professionals.
FAQ
The Bizora API gives applications and AI tools access to Bizora's tax research engine. It supports an OpenAI-compatible REST interface and an MCP server for Claude and ChatGPT. Every response pulls from primary sources including the IRC, Treasury Regulations, IRS guidance, and all 50 state codes.
Yes. The Bizora REST API is OpenAI-compatible with real-time streaming, making it straightforward to embed in any application that already integrates with an AI model. Documentation is at docs.api-bizora.ai.
Bizora operates on SOC 2-compliant infrastructure. Sensitive input data is not stored. All queries run over encrypted pipelines with structured audit trails available for compliance documentation.
Yes. Bizora's MCP server connects to Claude Desktop in minutes. Add your API key, drop in the config block, and the tax-research tool is available inside Claude automatically. Node.js is required for the initial setup.
No, for the Claude Desktop setup. The only technical step is editing a config file and pasting in a code block. The full walkthrough is in the setup guide. If you are embedding Bizora into your own application, basic API knowledge is needed.
One query covers one research question from start to finish, whether that is a quick IRC lookup or a full deep research session with multiple sub-questions synthesized into a single cited answer.
Every response is backed by citations from the Internal Revenue Code, Treasury Regulations, IRS rulings, and case law. Our AI references only primary sources.