# Assign an alert

`POST https://evohub.io/api/v1/alerts/{id}/assign`

Part of the [On-Call API](https://docs-dev.evohub.io/oncall.md) reference · operationId `assignAlert`.

Assigns the alert to a person. It changes the assignee only, not the status.
The person must be a member of the organization who can respond to alerts
(holds `oncall:alert:respond`).

**Permission (API-key scope):** `oncall:alert:respond`.

## Authorization

Any one of:

- `bearerAuth` (oncall:alert:respond)
- `apiKeyHeader` (oncall:alert:respond)

Where:

- `bearerAuth`: HTTP Bearer — An EvoHub API key (`evohub_…`) as a bearer token.
- `apiKeyHeader`: API key in the header `X-API-Key` — An EvoHub API key (`evohub_…`).

## Path parameters

- `id` (string, required, example `9d4e2f1a-6b3c-4d8e-a7f9-0c1b2a3d4e5f`): The alert's id.

## Request body (required)

Content type: `application/json`

Type: `object`

- `assignee_id` (string, required): The user id of the new assignee.

## Responses

### 200 — The alert after the change.

Content type: `application/json`

Type: `object`

- `data` (Alert, required)
  - `id` (string, required)
  - `org_id` (string, required)
  - `team_id` (string): Owning team; empty for an organization-wide alert.
  - `escalation_policy_id` (string): Empty when no policy pages for it.
  - `incident_id` (string)
  - `integration_id` (string): The integration that opened it; empty for alerts raised by hand or by another EvoHub product.
  - `fingerprint` (string): Deduplication key: while an alert with it is open, the same fingerprint retriggers it instead of opening another.
  - `title` (string, required)
  - `description` (string)
  - `severity` (AlertSeverity, required, one of `critical`, `high`, `medium`, `low`, `info`)
  - `status` (AlertStatus, required, one of `triggered`, `acknowledged`, `resolved`, `suppressed`)
  - `source` (string, required): Where it came from: an integration kind such as `prometheus`, `api`, `webhook`, or `manual`.
  - `labels` (object)
    - Other keys: string
  - `annotations` (object)
    - Other keys: string
  - `current_escalation_step` (integer): The escalation step reached so far.
  - `acknowledged_by` (string)
  - `acknowledged_at` (string (date-time))
  - `resolved_by` (string)
  - `resolved_at` (string (date-time))
  - `snoozed_until` (string (date-time))
  - `snoozed_by` (string)
  - `assigned_to` (string): User id of the assignee; empty when unassigned.
  - `notification_count` (integer)
  - `retrigger_count` (integer): How many times the same fingerprint arrived again while it was open.
  - `created_at` (string (date-time), required)
  - `updated_at` (string (date-time), required)
- `success` (boolean, required, value `true`)

### 400 — The body is not JSON (`INVALID_BODY`) or `assignee_id` is empty (`VALIDATION_FAILED`).

Content type: `application/json`

Type: `ValidationError`

- `error` (object, required)
  - `code` (string, required, value `VALIDATION_FAILED`)
  - `message` (string, required)
  - `details` (array of object, required)
    - `field` (string)
    - `message` (string)

### 401 — No API key was sent, or it is unknown, revoked or expired (`UNAUTHORIZED`).

Content type: `application/json`

Type: `Error`

- `error` (object, required)
  - `code` (string, required): Machine-readable code. Branch on this.
  - `message` (string, required): Human-readable explanation.

### 403 — The key lacks the scope this endpoint needs (`FORBIDDEN`).

Content type: `application/json`

Type: `Error`

- `error` (object, required)
  - `code` (string, required): Machine-readable code. Branch on this.
  - `message` (string, required): Human-readable explanation.

### 404 — No such alert (`NOT_FOUND`), or the person is not a member of the organization (`NOT_A_MEMBER`).

Content type: `application/json`

Type: `Error`

- `error` (object, required)
  - `code` (string, required): Machine-readable code. Branch on this.
  - `message` (string, required): Human-readable explanation.

### 422 — The person cannot respond to alerts: they do not hold `oncall:alert:respond` (`CANNOT_RESPOND`).

Content type: `application/json`

Type: `Error`

- `error` (object, required)
  - `code` (string, required): Machine-readable code. Branch on this.
  - `message` (string, required): Human-readable explanation.

### 429 — Too many requests (`RATE_LIMITED`). Wait `Retry-After` seconds.

Headers:

- `Retry-After` (integer): Seconds to wait.

Content type: `application/json`

Type: `Error`

- `error` (object, required)
  - `code` (string, required): Machine-readable code. Branch on this.
  - `message` (string, required): Human-readable explanation.

### 500 — Something went wrong on EvoHub's side (`INTERNAL_ERROR`). Retry later.

Content type: `application/json`

Type: `Error`

- `error` (object, required)
  - `code` (string, required): Machine-readable code. Branch on this.
  - `message` (string, required): Human-readable explanation.

### 503 — Whether the person may be paged could not be checked right now; nothing was changed (`MEMBER_CHECK_UNAVAILABLE`). Retry shortly.

Content type: `application/json`

Type: `Error`

- `error` (object, required)
  - `code` (string, required): Machine-readable code. Branch on this.
  - `message` (string, required): Human-readable explanation.

## Example request

```bash
curl -X POST 'https://evohub.io/api/v1/alerts/9d4e2f1a-6b3c-4d8e-a7f9-0c1b2a3d4e5f/assign' \
  -H 'Content-Type: application/json' \
  -H 'Authorization: Bearer <TOKEN>' \
  -d '{
  "assignee_id": "4c2a9e7b-1d3f-4a8c-b6e5-9f0a1b2c3d4e"
}'
```