# Comment on a task

POST`/v1/task-comments`[Token scope: `tasks:write`](https://developers.tasksmate.indrasol.com/guides/authentication/#scopes)[idempotent create](https://developers.tasksmate.indrasol.com/guides/idempotency-and-etags/)

Request

**curl**


```bash
curl -X POST "https://tasksmate-fdfsarhnf5gacfb7.eastus-01.azurewebsites.net/v1/task-comments" \
  -H "Authorization: Bearer $TASKSMATE_TOKEN" \
  -H "Idempotency-Key: $(uuidgen)" \
  -H "Content-Type: application/json" \
  -d '{"task_id":"task-1234"}'
```

**Python**


```python
from tasksmate import TasksMate

tm = TasksMate()  # reads TASKSMATE_TOKEN
result = tm.task_comments.create({"task_id": "task-1234"})
print(result)
```

Response 201

```json
{
  "task_id": "task-1234",
  "task_title": "Implement Login",
  "created_by": "b3c1e2d4-1234-5678-9abc-def012345678",
  "comment": "string",
  "content": "Looks good, but needs more tests.",
  "parent_comment_id": "string",
  "created_at": "2026-09-25T12:00:00Z",
  "updated_at": "2026-09-25T12:00:00Z",
  "mentions": [
    {
      "user_id": "string",
      "username": "string",
      "email": "string"
    }
  ],
  "org_id": "string",
  "comment_id": "string",
  "replies": []
}
```

Create a new top-level comment on a task.

## Authorizations

-   **[bearerAuth](https://developers.tasksmate.indrasol.com/reference/#bearerauth)**
-   **[TasksMateToken](https://developers.tasksmate.indrasol.com/reference/#tasksmatetoken)**

## Parameters

### Header Parameters

**Idempotency-Key**

string

\>= 1 characters <= 255 characters

Replay the first response for 24 h when the same request is retried with this key.

## Request Bodyrequired

application/json

_TaskCommentCreate_

The request body of `task-comments.create`.

object

**task\_id**

required

_Task Id_

Task ID (text)

string

**task\_title**

Any of:

**string**


string

**null**


null

**created\_by**

Any of:

**string**


string

**null**


null

**comment**

Any of:

**string**


string

**null**


null

**content**

Any of:

**string**


string

**null**


null

**parent\_comment\_id**

Any of:

**string**


string

**null**


null

**created\_at**

Any of:

**string**


string format: date-time

**null**


null

**updated\_at**

Any of:

**string**


string format: date-time

**null**


null

**mentions**

Any of:

**Array<object>**


Array<object>

_Mention_

Part of `TaskCommentCreate` and `TaskCommentInDB`.

object

**user\_id**

Any of:

**string**


string

**null**


null

**username**

Any of:

**string**


string

**null**


null

**email**

Any of:

**string**


string

**null**


null

**null**


null

**org\_id**

Any of:

**string**


string

**null**


null

Example

```json
{
  "task_id": "task-1234",
  "task_title": "Implement Login",
  "created_by": "b3c1e2d4-1234-5678-9abc-def012345678",
  "comment": "string",
  "content": "Looks good, but needs more tests.",
  "parent_comment_id": "string",
  "created_at": "2026-09-25T12:00:00Z",
  "updated_at": "2026-09-25T12:00:00Z",
  "mentions": [
    {
      "user_id": "string",
      "username": "string",
      "email": "string"
    }
  ],
  "org_id": "string"
}
```

## Responses

### 201

Successful Response

application/json

_TaskCommentInDB_

Returned by `task-comments.create`, `task-comments.read`, `task-comments.reply` and `task-comments.update`.

object

**task\_id**

required

_Task Id_

Task ID (text)

string

**task\_title**

Any of:

**string**


string

**null**


null

**created\_by**

Any of:

**string**


string

**null**


null

**comment**

Any of:

**string**


string

**null**


null

**content**

Any of:

**string**


string

**null**


null

**parent\_comment\_id**

Any of:

**string**


string

**null**


null

**created\_at**

Any of:

**string**


string format: date-time

**null**


null

**updated\_at**

Any of:

**string**


string format: date-time

**null**


null

**mentions**

Any of:

**Array<object>**


Array<object>

_Mention_

Part of `TaskCommentCreate` and `TaskCommentInDB`.

object

**user\_id**

Any of:

**string**


string

**null**


null

**username**

Any of:

**string**


string

**null**


null

**email**

Any of:

**string**


string

**null**


null

**null**


null

**org\_id**

Any of:

**string**


string

**null**


null

**comment\_id**

required

_Comment Id_

string

**replies**

Array<object> recursive

Example

```json
{
  "task_id": "task-1234",
  "task_title": "Implement Login",
  "created_by": "b3c1e2d4-1234-5678-9abc-def012345678",
  "comment": "string",
  "content": "Looks good, but needs more tests.",
  "parent_comment_id": "string",
  "created_at": "2026-09-25T12:00:00Z",
  "updated_at": "2026-09-25T12:00:00Z",
  "mentions": [
    {
      "user_id": "string",
      "username": "string",
      "email": "string"
    }
  ],
  "org_id": "string",
  "comment_id": "string",
  "replies": []
}
```

### 400

Bad request — a query parameter outside what the operation accepts (`invalid-parameter`)

application/problem+json

_Problem_

An RFC 9457 problem details object — the body of every error response. `detail` is the human-readable explanation; `request_id` identifies the request for support.

object

**type**

required

`about:blank` or a `urn:tasksmate:problem:*` identifier

string

Allowed values: about:blank urn:tasksmate:problem:validation urn:tasksmate:problem:invalid-parameter urn:tasksmate:problem:precondition-failed urn:tasksmate:problem:idempotency-key-reused urn:tasksmate:problem:idempotency-key-in-flight urn:tasksmate:problem:idempotency-key-invalid urn:tasksmate:problem:rate-limit urn:tasksmate:problem:internal urn:tasksmate:problem:token-invalid urn:tasksmate:problem:token-expired urn:tasksmate:problem:token-revoked urn:tasksmate:problem:insufficient-scope urn:tasksmate:problem:test-token-read-only urn:tasksmate:problem:token-policy urn:tasksmate:problem:url-refused

**title**

required

string

**status**

required

integer

**detail**

required

Human-readable explanation (a string; for a 422, the list of validation errors)

**instance**

required

string

**request\_id**

required

string

**errors**

Structured failures: validation errors, or `{loc, msg, allowed}` for a bad parameter

Array<object>

object

Example

```json
{
  "type": "about:blank",
  "title": "Bad request",
  "status": 400,
  "detail": "…",
  "instance": "/v1/…",
  "request_id": "9b2f1c1e-8c1a-4a53-9f9e-0f5f1f2d7c11"
}
```

### 401

Missing or invalid bearer token

application/problem+json

_Problem_

An RFC 9457 problem details object — the body of every error response. `detail` is the human-readable explanation; `request_id` identifies the request for support.

object

**type**

required

`about:blank` or a `urn:tasksmate:problem:*` identifier

string

Allowed values: about:blank urn:tasksmate:problem:validation urn:tasksmate:problem:invalid-parameter urn:tasksmate:problem:precondition-failed urn:tasksmate:problem:idempotency-key-reused urn:tasksmate:problem:idempotency-key-in-flight urn:tasksmate:problem:idempotency-key-invalid urn:tasksmate:problem:rate-limit urn:tasksmate:problem:internal urn:tasksmate:problem:token-invalid urn:tasksmate:problem:token-expired urn:tasksmate:problem:token-revoked urn:tasksmate:problem:insufficient-scope urn:tasksmate:problem:test-token-read-only urn:tasksmate:problem:token-policy urn:tasksmate:problem:url-refused

**title**

required

string

**status**

required

integer

**detail**

required

Human-readable explanation (a string; for a 422, the list of validation errors)

**instance**

required

string

**request\_id**

required

string

**errors**

Structured failures: validation errors, or `{loc, msg, allowed}` for a bad parameter

Array<object>

object

Example

```json
{
  "type": "about:blank",
  "title": "Missing or invalid bearer token",
  "status": 401,
  "detail": "…",
  "instance": "/v1/…",
  "request_id": "9b2f1c1e-8c1a-4a53-9f9e-0f5f1f2d7c11"
}
```

### 403

Authenticated, but not allowed

application/problem+json

_Problem_

An RFC 9457 problem details object — the body of every error response. `detail` is the human-readable explanation; `request_id` identifies the request for support.

object

**type**

required

`about:blank` or a `urn:tasksmate:problem:*` identifier

string

Allowed values: about:blank urn:tasksmate:problem:validation urn:tasksmate:problem:invalid-parameter urn:tasksmate:problem:precondition-failed urn:tasksmate:problem:idempotency-key-reused urn:tasksmate:problem:idempotency-key-in-flight urn:tasksmate:problem:idempotency-key-invalid urn:tasksmate:problem:rate-limit urn:tasksmate:problem:internal urn:tasksmate:problem:token-invalid urn:tasksmate:problem:token-expired urn:tasksmate:problem:token-revoked urn:tasksmate:problem:insufficient-scope urn:tasksmate:problem:test-token-read-only urn:tasksmate:problem:token-policy urn:tasksmate:problem:url-refused

**title**

required

string

**status**

required

integer

**detail**

required

Human-readable explanation (a string; for a 422, the list of validation errors)

**instance**

required

string

**request\_id**

required

string

**errors**

Structured failures: validation errors, or `{loc, msg, allowed}` for a bad parameter

Array<object>

object

Example

```json
{
  "type": "about:blank",
  "title": "Authenticated, but not allowed",
  "status": 403,
  "detail": "…",
  "instance": "/v1/…",
  "request_id": "9b2f1c1e-8c1a-4a53-9f9e-0f5f1f2d7c11"
}
```

### 404

Not found

application/problem+json

_Problem_

An RFC 9457 problem details object — the body of every error response. `detail` is the human-readable explanation; `request_id` identifies the request for support.

object

**type**

required

`about:blank` or a `urn:tasksmate:problem:*` identifier

string

Allowed values: about:blank urn:tasksmate:problem:validation urn:tasksmate:problem:invalid-parameter urn:tasksmate:problem:precondition-failed urn:tasksmate:problem:idempotency-key-reused urn:tasksmate:problem:idempotency-key-in-flight urn:tasksmate:problem:idempotency-key-invalid urn:tasksmate:problem:rate-limit urn:tasksmate:problem:internal urn:tasksmate:problem:token-invalid urn:tasksmate:problem:token-expired urn:tasksmate:problem:token-revoked urn:tasksmate:problem:insufficient-scope urn:tasksmate:problem:test-token-read-only urn:tasksmate:problem:token-policy urn:tasksmate:problem:url-refused

**title**

required

string

**status**

required

integer

**detail**

required

Human-readable explanation (a string; for a 422, the list of validation errors)

**instance**

required

string

**request\_id**

required

string

**errors**

Structured failures: validation errors, or `{loc, msg, allowed}` for a bad parameter

Array<object>

object

Example

```json
{
  "type": "about:blank",
  "title": "Not found",
  "status": 404,
  "detail": "…",
  "instance": "/v1/…",
  "request_id": "9b2f1c1e-8c1a-4a53-9f9e-0f5f1f2d7c11"
}
```

### 409

Conflict (a duplicate, or an `Idempotency-Key` still in flight)

application/problem+json

_Problem_

An RFC 9457 problem details object — the body of every error response. `detail` is the human-readable explanation; `request_id` identifies the request for support.

object

**type**

required

`about:blank` or a `urn:tasksmate:problem:*` identifier

string

Allowed values: about:blank urn:tasksmate:problem:validation urn:tasksmate:problem:invalid-parameter urn:tasksmate:problem:precondition-failed urn:tasksmate:problem:idempotency-key-reused urn:tasksmate:problem:idempotency-key-in-flight urn:tasksmate:problem:idempotency-key-invalid urn:tasksmate:problem:rate-limit urn:tasksmate:problem:internal urn:tasksmate:problem:token-invalid urn:tasksmate:problem:token-expired urn:tasksmate:problem:token-revoked urn:tasksmate:problem:insufficient-scope urn:tasksmate:problem:test-token-read-only urn:tasksmate:problem:token-policy urn:tasksmate:problem:url-refused

**title**

required

string

**status**

required

integer

**detail**

required

Human-readable explanation (a string; for a 422, the list of validation errors)

**instance**

required

string

**request\_id**

required

string

**errors**

Structured failures: validation errors, or `{loc, msg, allowed}` for a bad parameter

Array<object>

object

Example

```json
{
  "type": "about:blank",
  "title": "Conflict (a duplicate, or an `Idempotency-Key` still in flight)",
  "status": 409,
  "detail": "…",
  "instance": "/v1/…",
  "request_id": "9b2f1c1e-8c1a-4a53-9f9e-0f5f1f2d7c11"
}
```

### 412

`If-Match` does not match the current `ETag`

application/problem+json

_Problem_

An RFC 9457 problem details object — the body of every error response. `detail` is the human-readable explanation; `request_id` identifies the request for support.

object

**type**

required

`about:blank` or a `urn:tasksmate:problem:*` identifier

string

Allowed values: about:blank urn:tasksmate:problem:validation urn:tasksmate:problem:invalid-parameter urn:tasksmate:problem:precondition-failed urn:tasksmate:problem:idempotency-key-reused urn:tasksmate:problem:idempotency-key-in-flight urn:tasksmate:problem:idempotency-key-invalid urn:tasksmate:problem:rate-limit urn:tasksmate:problem:internal urn:tasksmate:problem:token-invalid urn:tasksmate:problem:token-expired urn:tasksmate:problem:token-revoked urn:tasksmate:problem:insufficient-scope urn:tasksmate:problem:test-token-read-only urn:tasksmate:problem:token-policy urn:tasksmate:problem:url-refused

**title**

required

string

**status**

required

integer

**detail**

required

Human-readable explanation (a string; for a 422, the list of validation errors)

**instance**

required

string

**request\_id**

required

string

**errors**

Structured failures: validation errors, or `{loc, msg, allowed}` for a bad parameter

Array<object>

object

Example

```json
{
  "type": "about:blank",
  "title": "`If-Match` does not match the current `ETag`",
  "status": 412,
  "detail": "…",
  "instance": "/v1/…",
  "request_id": "9b2f1c1e-8c1a-4a53-9f9e-0f5f1f2d7c11"
}
```

### 422

The body or query did not validate (`validation`), or an `Idempotency-Key` was reused

application/problem+json

_Problem_

An RFC 9457 problem details object — the body of every error response. `detail` is the human-readable explanation; `request_id` identifies the request for support.

object

**type**

required

`about:blank` or a `urn:tasksmate:problem:*` identifier

string

Allowed values: about:blank urn:tasksmate:problem:validation urn:tasksmate:problem:invalid-parameter urn:tasksmate:problem:precondition-failed urn:tasksmate:problem:idempotency-key-reused urn:tasksmate:problem:idempotency-key-in-flight urn:tasksmate:problem:idempotency-key-invalid urn:tasksmate:problem:rate-limit urn:tasksmate:problem:internal urn:tasksmate:problem:token-invalid urn:tasksmate:problem:token-expired urn:tasksmate:problem:token-revoked urn:tasksmate:problem:insufficient-scope urn:tasksmate:problem:test-token-read-only urn:tasksmate:problem:token-policy urn:tasksmate:problem:url-refused

**title**

required

string

**status**

required

integer

**detail**

required

Human-readable explanation (a string; for a 422, the list of validation errors)

**instance**

required

string

**request\_id**

required

string

**errors**

Structured failures: validation errors, or `{loc, msg, allowed}` for a bad parameter

Array<object>

object

Example

```json
{
  "type": "about:blank",
  "title": "The body or query did not validate (`validation`), or an `Idempotency-Key` was reused",
  "status": 422,
  "detail": "…",
  "instance": "/v1/…",
  "request_id": "9b2f1c1e-8c1a-4a53-9f9e-0f5f1f2d7c11"
}
```

### 429

An access token over its per-minute limit (`rate-limit`; see `Retry-After`)

application/problem+json

_Problem_

An RFC 9457 problem details object — the body of every error response. `detail` is the human-readable explanation; `request_id` identifies the request for support.

object

**type**

required

`about:blank` or a `urn:tasksmate:problem:*` identifier

string

Allowed values: about:blank urn:tasksmate:problem:validation urn:tasksmate:problem:invalid-parameter urn:tasksmate:problem:precondition-failed urn:tasksmate:problem:idempotency-key-reused urn:tasksmate:problem:idempotency-key-in-flight urn:tasksmate:problem:idempotency-key-invalid urn:tasksmate:problem:rate-limit urn:tasksmate:problem:internal urn:tasksmate:problem:token-invalid urn:tasksmate:problem:token-expired urn:tasksmate:problem:token-revoked urn:tasksmate:problem:insufficient-scope urn:tasksmate:problem:test-token-read-only urn:tasksmate:problem:token-policy urn:tasksmate:problem:url-refused

**title**

required

string

**status**

required

integer

**detail**

required

Human-readable explanation (a string; for a 422, the list of validation errors)

**instance**

required

string

**request\_id**

required

string

**errors**

Structured failures: validation errors, or `{loc, msg, allowed}` for a bad parameter

Array<object>

object

Example

```json
{
  "type": "about:blank",
  "title": "An access token over its per-minute limit (`rate-limit`; see `Retry-After`)",
  "status": 429,
  "detail": "…",
  "instance": "/v1/…",
  "request_id": "9b2f1c1e-8c1a-4a53-9f9e-0f5f1f2d7c11"
}
```

### 500

Unexpected server error — quote `request_id`

application/problem+json

_Problem_

An RFC 9457 problem details object — the body of every error response. `detail` is the human-readable explanation; `request_id` identifies the request for support.

object

**type**

required

`about:blank` or a `urn:tasksmate:problem:*` identifier

string

Allowed values: about:blank urn:tasksmate:problem:validation urn:tasksmate:problem:invalid-parameter urn:tasksmate:problem:precondition-failed urn:tasksmate:problem:idempotency-key-reused urn:tasksmate:problem:idempotency-key-in-flight urn:tasksmate:problem:idempotency-key-invalid urn:tasksmate:problem:rate-limit urn:tasksmate:problem:internal urn:tasksmate:problem:token-invalid urn:tasksmate:problem:token-expired urn:tasksmate:problem:token-revoked urn:tasksmate:problem:insufficient-scope urn:tasksmate:problem:test-token-read-only urn:tasksmate:problem:token-policy urn:tasksmate:problem:url-refused

**title**

required

string

**status**

required

integer

**detail**

required

Human-readable explanation (a string; for a 422, the list of validation errors)

**instance**

required

string

**request\_id**

required

string

**errors**

Structured failures: validation errors, or `{loc, msg, allowed}` for a bad parameter

Array<object>

object

Example

```json
{
  "type": "about:blank",
  "title": "Unexpected server error",
  "status": 500,
  "detail": "…",
  "instance": "/v1/…",
  "request_id": "9b2f1c1e-8c1a-4a53-9f9e-0f5f1f2d7c11"
}
```

---
Source: https://developers.tasksmate.indrasol.com/reference/operations/task-commentscreate/