curl --request GET \
  --url https://matcher.sandbox.lerian.net/v1/config/contexts/{contextId}/sources \
  --header 'Authorization: Bearer <token>'

{
  "hasMore": true,
  "items": [
    {
      "config": {},
      "contextId": "550e8400-e29b-41d4-a716-446655440000",
      "createdAt": "2025-01-15T10:30:00.000Z",
      "hasFieldMaps": true,
      "id": "550e8400-e29b-41d4-a716-446655440000",
      "name": "Primary Bank Account",
      "type": "BANK",
      "updatedAt": "2025-01-15T10:30:00.000Z"
    }
  ],
  "limit": 20,
  "nextCursor": "eyJpZCI6IjEyMyJ9",
  "prevCursor": "eyJpZCI6IjEyMiJ9"
}