# List dynamic Segments

`GET /v1/segments`

- Authentication: required (Bearer token)
- Required scope: `api.segments.view`

Returns the org's dynamic Segments, newest-first. A Segment's membership
is the live truth value of its SendQL `source` — there is no explicit
add/remove. `member_count` and `last_evaluated_at` reflect the most
recent reconcile. The response includes the source text. Segment
management (create/edit/pause) is dashboard-only; this API is read-only.

## Query parameters

- `limit` (integer, optional) — Page size (1–200). Default 50.
- `cursor` (string, optional) — Opaque cursor returned from the previous page.

## Example request

```bash
curl 'https://api.sendops.dev/v1/segments' \
  -H "Authorization: Bearer $SENDOPS_API_KEY"
```

## Responses

### 200 — Cursor-paginated list of Segments, newest-first

Content type: `application/json`

```json
{
  "data": [
    {
      "id": "00000000-0000-0000-0000-000000000000",
      "name": "string",
      "key": "string",
      "description": "string",
      "source": "string",
      "profile_version": 0,
      "eval_class": "incremental",
      "status": "active",
      "member_count": 0,
      "eval_warning": "string",
      "eval_warning_at": "2026-05-17T20:00:00Z",
      "last_evaluated_at": "2026-05-17T20:00:00Z",
      "origin": "managed",
      "source_path": "string",
      "last_synced_at": "2026-05-17T20:00:00Z",
      "created_at": "2026-05-17T20:00:00Z",
      "updated_at": "2026-05-17T20:00:00Z"
    }
  ],
  "pagination": {
    "has_more": true,
    "next_cursor": "string"
  }
}
```

### 401 — Missing, malformed, or unknown API key

Content type: `application/problem+json`

```json
{
  "type": "https://example.com",
  "title": "string",
  "status": 0,
  "detail": "string",
  "code": "invalid_key",
  "request_id": "string",
  "retry_after": 0,
  "retention_days": 0,
  "scope": "string",
  "resource": "string",
  "errors": [
    {
      "field": "string",
      "reason": "string"
    }
  ]
}
```

### 403 — Key lacks the required scope or plan limit violated

Content type: `application/problem+json`

```json
{
  "type": "https://example.com",
  "title": "string",
  "status": 0,
  "detail": "string",
  "code": "invalid_key",
  "request_id": "string",
  "retry_after": 0,
  "retention_days": 0,
  "scope": "string",
  "resource": "string",
  "errors": [
    {
      "field": "string",
      "reason": "string"
    }
  ]
}
```

### 422 — Query parameter or path value failed validation

Content type: `application/problem+json`

```json
{
  "type": "https://example.com",
  "title": "string",
  "status": 0,
  "detail": "string",
  "code": "invalid_key",
  "request_id": "string",
  "retry_after": 0,
  "retention_days": 0,
  "scope": "string",
  "resource": "string",
  "errors": [
    {
      "field": "string",
      "reason": "string"
    }
  ]
}
```

### 429 — Per-org rate limit exceeded

Content type: `application/problem+json`

```json
{
  "type": "https://example.com",
  "title": "string",
  "status": 0,
  "detail": "string",
  "code": "invalid_key",
  "request_id": "string",
  "retry_after": 0,
  "retention_days": 0,
  "scope": "string",
  "resource": "string",
  "errors": [
    {
      "field": "string",
      "reason": "string"
    }
  ]
}
```

### 500 — Unexpected server-side failure. The `code` is `internal_error`. The
`request_id` field can be quoted to SendOps support to investigate.

Content type: `application/problem+json`

```json
{
  "type": "https://example.com",
  "title": "string",
  "status": 0,
  "detail": "string",
  "code": "invalid_key",
  "request_id": "string",
  "retry_after": 0,
  "retention_days": 0,
  "scope": "string",
  "resource": "string",
  "errors": [
    {
      "field": "string",
      "reason": "string"
    }
  ]
}
```