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Teamleader Tasks API

The Tasks API from Teamleader — 8 operation(s) for tasks.

Teamleader Tasks API is one of 14 APIs that Teamleader publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

This API exposes 6 JSON Schema definitions.

Tagged areas include Task. The published artifact set on APIs.io includes an OpenAPI specification and 6 JSON Schemas.

This API exposes 8 operations across 8 paths, and defines 12 schemas. It is described by OpenAPI 3.2.0, at version 2026-09-22.

Requests are made against a single base URL, https://api.focus.teamleader.eu.

8 operations 8 paths 12 schemas 8 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
2026-09-22
Base URL
https://api.focus.teamleader.eu
Authentication
HTTP Bearer
Resource Areas
1

Authentication & Security 1

Teamleader Tasks API declares 1 security scheme for authenticating requests. It accepts HTTP bearer tokens (bearer). By default, every request must be authenticated.

Paths & Operations 8

Across 8 paths, the API surfaces 8 operations — 8 POST. Each is listed below with its method, path, parameters, and response codes.

Tasks 8
POST
/tasks.complete
Mark a task as complete
post_tasks_complete body → 204
POST
/tasks.create
Create a new task
post_tasks_create body → 201
POST
/tasks.delete
Delete a task
post_tasks_delete body → 204
POST
/tasks.info
Get information about a task
post_tasks_info body → 200
POST
/tasks.list
Get a list of tasks
post_tasks_list body → 200
POST
/tasks.reopen
Reopen a task that had been marked as complete
post_tasks_reopen body → 204
POST
/tasks.schedule
Schedule a task in your calendar
post_tasks_schedule body → 201
POST
/tasks.update
Update a task
post_tasks_update body → 204

Schemas 12

The contract defines 12 schemas that model the data the API accepts and returns. The most detailed are PostTasksUpdateRequest (13 properties), PostTasksCreateRequest (12 properties), PostTasksListRequest (3 properties), PostTasksScheduleRequest (3 properties). Each schema is shown below with its type and property counts.

PostTasksReopenRequest
object
1 property 1 required
PostTasksInfoResponse
object
1 property
PostTasksCreateRequest
object
12 properties 3 required
PostTasksInfoRequest
object
1 property 1 required
PostTasksUpdateRequest
object
13 properties 1 required
PostTasksScheduleResponse
object
1 property
PostTasksListResponse
object
1 property
PostTasksCompleteRequest
object
1 property 1 required
PostTasksScheduleRequest
object
3 properties 3 required
PostTasksCreateResponse
object
1 property
PostTasksDeleteRequest
object
1 property 1 required
PostTasksListRequest
object
3 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

teamleader-tasks-api-openapi.yml Raw ↑

Other APIs Teamleader publishes across the network.

Teamleader Contacts API
Teamleader Daysoff API
Teamleader Deals API
Teamleader Expenses API
Teamleader Files API
Teamleader Invoices API
Teamleader Leveltwoareas API
Teamleader Lostreasons API
Teamleader Tickets API
Teamleader Ticketstatus API
Teamleader Timers API
Teamleader Useravailability API
Where this information came from

This is an independent, third-party profile of Teamleader Tasks API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

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