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Integration

TaxJar

Sales tax calculation, reporting and filing. Your client pastes their TaxJar key once, and your agent or your code works with their access.

Accounting

About TaxJar

TaxJar, from Stripe, calculates, reports and files sales tax.

With your client's TaxJar connected, your agent or code can calculate tax and work with transactions.

TaxJar

TaxJar · Accounting

API key

Sales tax calculation, reporting and filing

The client pastes their API key from TaxJar's settings. We store it encrypted.

Tested against TaxJar's live API.

Building with TaxJar? The docs have setup steps and code for every tool.

Open the TaxJar docs

Tools

Your agent calls any endpoint of TaxJar's API with the request tool, with the client's access attached.

Base URL for request

https://api.taxjar.com/v2

  • request

    HTTPS ANY /v1/clients/{clientId}/taxjar/{path}

    Any endpoint of TaxJar's own API, with the client's access attached.

    servicestringrequired
    This service: taxjar
    methodstringrequired
    GET, POST, PUT, PATCH or DELETE
    pathstringrequired
    The path under https://api.taxjar.com/v2
    queryobjectoptional
    Query parameters
    bodyobjectoptional
    A JSON body

Over MCP every tool also takes client_id, from list_clients. Over HTTPS send it as clientId to https://api.operate.as/v1.

What the client approves

  • Use the TaxJar key you paste, with only the access you gave that key

Related

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