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Integration

Karbon

Accounting practice management: work items, contacts, timesheets and invoices. Your client pastes their Karbon key once, and your agent or your code works with their access.

Projects and tasks

About Karbon

Karbon is practice management software for accounting firms.

With your client's Karbon connected, your agent can work with work items, contacts, timesheets and invoices.

Karbon

Karbon · Projects and tasks

API key

Accounting practice management: work items, contacts, timesheets and invoices

The client pastes their access key from Karbon's settings. We store it encrypted.

Tested against Karbon's live API.

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

Open the Karbon docs

Tools

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

Base URL for request

https://api.karbonhq.com/v3

  • request

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

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

    servicestringrequired
    This service: karbon
    methodstringrequired
    GET, POST, PUT, PATCH or DELETE
    pathstringrequired
    The path under https://api.karbonhq.com/v3
    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 Karbon key you paste, with only the access you gave that key

Related

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