TaxJar Sales Tax API

Name: TaxJar Sales Tax API API
Brand: TaxJar Sales Tax API
Availability: InStock

✓ Official Vendor SpecPaymentsBilling Subscriptionsbearer22 EndpointsREST

For Agents

Programmatically list tax categories, calculate sales tax for an order. Covers 22 operations with bearer authentication.

Quickstart

Get started with TaxJar Sales Tax API in minutes using your preferred integration method.

# Add to your MCP client config (Claude Desktop, Cursor, Windsurf)
{
  "jentic": {
    "url": "https://api.jentic.com/mcp",
    "auth": "oauth"
  }
}

# Then ask your agent:
"list tax categories"

# → Jentic returns the GET /events tool with parameter schema, agent executes.

Capabilities

What an agent can do with TaxJar Sales Tax API API.

List tax categories

Calculate sales tax for an order

Create an order transaction

Show an order transaction

Update an order transaction

GET STARTED

Start building with TaxJar Sales Tax API API

Explore with Jentic

View OpenAPI Document

Use Cases

Patterns agents use TaxJar Sales Tax API API for, with concrete tasks.

★ Payments Operations

Use the TaxJar Sales Tax API to perform payments operations programmatically. The API provides 22 endpoints covering core functionality including list tax categories, calculate sales tax for an order, create an order transaction.

Call GET /categories to list tax categories

Automated Categories Management

Automate categories operations by combining multiple TaxJar Sales Tax API endpoints. Agents can calculate sales tax for an order and then create an order transaction in a single workflow.

Call POST /taxes to calculate sales tax for an order, then verify the result

AI Agent Integration via Jentic

AI agents discover and call TaxJar Sales Tax API endpoints through Jentic without managing credentials directly. An agent searches for the required operation by intent, receives the matching endpoint schema, and executes the call with Jentic-managed authentication. This eliminates the need to read API documentation or handle bearer tokens manually.

Search Jentic for 'list tax categories', load the operation schema, and execute with Jentic-managed credentials

Key Endpoints

22 endpoints — taxjar's api makes it easy to calculate sales tax, manage order transactions, and maintain up-to-date tax rates.

METHOD

PATH

DESCRIPTION

GET

/categories

List tax categories

POST

/taxes

Calculate sales tax for an order

POST

/transactions/orders

Create an order transaction

GET

/transactions/orders

List order transactions

GET

/transactions/orders/{transaction_id}

Show an order transaction

PUT

/transactions/orders/{transaction_id}

Update an order transaction

DELETE

/transactions/orders/{transaction_id}

Delete an order transaction

POST

/transactions/refunds

Create a refund transaction

GET

/categories

List tax categories

POST

/taxes

Calculate sales tax for an order

POST

/transactions/orders

Create an order transaction

GET

/transactions/orders

List order transactions

GET

/transactions/orders/{transaction_id}

Show an order transaction

Why though Jentic?

Three things that make agents converge on Jentic-routed access.

Credential isolation

TaxJar Sales Tax API bearer credentials are stored encrypted in the Jentic vault (MAXsystem). Agents receive scoped access tokens — raw secrets never enter the agent context.

Intent-based discovery

Agents search by intent (e.g., 'list tax categories') and Jentic returns the matching TaxJar Sales Tax API operation with its input schema, so the agent can call the right endpoint without browsing docs.

Time to first call

Direct TaxJar Sales Tax API integration: 1-3 days for auth handling, response parsing, and error cases. Through Jentic: under 1 hour — search, load schema, execute.

Related APIs

Alternatives and complements available in the Jentic catalogue.

Alternative

Stripe

Alternative payments API

Choose Stripe when you need a different approach to payments operations

Alternative

Adyen

Alternative payments API

Choose Adyen when you need a different approach to payments operations

Complementary

Square

Complementary payments API

Choose Square when you need a complementary approach to payments operations

Complementary

Paypal

Complementary payments API

Choose Paypal when you need a complementary approach to payments operations

FAQs

Specific to using TaxJar Sales Tax API API through Jentic.

What authentication does the TaxJar Sales Tax API use?

The TaxJar Sales Tax API uses a Bearer token in the Authorization header. Through Jentic, these credentials are stored encrypted in the MAXsystem vault and injected at execution time, so raw secrets never enter the agent context.

Can I list tax categories with the TaxJar Sales Tax API?

Yes. Use the GET /categories endpoint. The API returns structured JSON responses that agents can parse and act on directly.

What are the rate limits for the TaxJar Sales Tax API?

Rate limits are not specified in the OpenAPI spec. Check the vendor documentation for current limits. Through Jentic, rate limiting is handled automatically with retry logic built into the execution layer.

How do I list tax categories through Jentic?

Install the Jentic SDK with pip install jentic, authenticate at https://app.jentic.com/sign-up, then search for 'list tax categories'. Jentic returns the matching TaxJar Sales Tax API operation with its input schema. Load the schema and execute the call — credentials are injected automatically.

How many endpoints does the TaxJar Sales Tax API have?

The TaxJar Sales Tax API exposes 22 endpoints covering categories, taxes, orders operations.