From nexus monitoring to precise calculations and filing-ready reports. One connected workflow. A clearer way to manage U.S. sales tax.
No account needed for free tools. Start with your data.
Monitor nexus
Monthly sales
Automatically track economic nexus thresholds across all 50 states and get real-time alerts before filing obligations appear.
Illustrative sales activity, not legal nexus thresholds.
Look up address-level rates and review the state, county, city, and special district breakdown before using a rate.
Illustrative rates, not a real address calculation.
Upload Excel or CSV files with thousands of transactions. Smart field mapping and streaming processing handle the rest.
Generate state-ready filing reports with one click. Track filing periods, due dates, and submission history in one place.
MAR 2026 / State reports
Reports generated; filings have not been submitted.
Connect your AI to orders, tax and filings through MCP. Work in natural language and keep progress and reports within reach.
Byte OrcaConnect through an MCP-enabled client or agent
Address-level tax breakdowns
Nexus status across states
Enter orders in your conversation
Track filing progress by state
Monthly, quarterly and annual reports
Upload transaction CSVs for free Nexus analysis, or use our dashboard for self-serve tax rate lookups at zero cost.
Choose to connect via API or simply upload CSVs monthly. Automatically track your ongoing Nexus status and tax liabilities.
Support for complex multi-entity corporate structures, custom exemption workflows, and dedicated account management.
Every jurisdiction, every rate, every rule, continuously updated. From Alaska to Wyoming, Byte Orca covers state, county, city, and special district tax rates.
Connect supported commerce and accounting workflows through APIs and structured data imports.
Query U.S. sales tax rates and ingest transaction records through HTTPS APIs. Review authentication, request parameters, response formats, and examples in the developer portal.
Look up a combined U.S. sales tax rate and calculate estimated tax using location data, amount, shipping, and product type.
Endpoint
/external/v1/tax-rate/queryX-API-KeyCore inputsLocation data, amount, shipping, product typeRecord sales and refund transactions from commerce systems for reporting, nexus analysis, and filing preparation.
Endpoint
/external/v1/transactionsX-API-KeyCore inputsOrder, date, platform, location, amountsSecurity controls are designed into the platform from infrastructure through application access.
AES-256 encryption for data at rest and TLS 1.3 in transit.
Application requests are designed to use authentication and authorization checks.
The workflow is designed to use the transactional data required for calculation, reporting, and filing preparation.
Time-stamped activity records support operational review and audit preparation.
Start with the essentials, then move to a plan shaped around your transaction volume, platforms, and filing needs.
For individuals and small teams getting started with U.S. sales tax.
Start freeAutomated Nexus monitoring, backed by a dedicated service team when you need filing, registration, or exemption certificate support.
Register to get startedFor teams that need sales tax workflows matched to their operations.
Contact salesBring your transaction data, sales channels, and filing calendar into one custom sales tax workflow.