Create a new project.

post

https://k1creator-publicapi.k1x.io/v1/projects

Creates a project from the supplied details. Any identifier sent in the request body is
ignored — the server assigns a new one. The project is created under the tenant your API key
resolves to; the tenant is never taken from the request body. On success the response includes
a Location header pointing to the newly created project.

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Body Params

The details of the project to create. name and taxYear are required.

The details required to create a new project through the public API.

name

string

The display name of the project. Required, up to 100 characters.

taxYear

int32

The tax year the project covers, e.g. 2025. Required.

billingIdentifier

string | null

An optional external billing reference, up to 20 characters.

isIncludeLine20T

boolean

Whether to include Schedule K-1 line 20T in the project.

dueDate

date-time | null

An optional due date for the project.

isExternallyManaged

boolean

Whether the project is managed by an external system.

Headers

string

enum

Defaults to application/json

Generated from available response content types

Allowed:

content-type

string

enum

Defaults to application/json-patch+json

Generated from available request content types

Allowed:

Responses

201The project was created successfully.

400The supplied project details were missing a required field or otherwise invalid.