# Diagnostics
## Traceroute
**POST** `/accounts/{account_id}/diagnostics/traceroute`
Run traceroutes from Cloudflare colos.
### Responses
#### 200 Traceroute response.
> Data is at `body["result"]`
```json
[
{
"colos": [
{
"colo": null,
"error": null,
"hops": null,
"target_summary": null,
"traceroute_time_ms": null
}
],
"target": "*string*"
}
]
```
#### 4XX Traceroute response failure.
```json
{
"errors": [
{
"code": "*integer*",
"documentation_url": "*string*",
"message": "*string*",
"source": {
"pointer": "*string*"
}
}
],
"messages": [
{
"code": "*integer*",
"documentation_url": "*string*",
"message": "*string*",
"source": {
"pointer": "*string*"
}
}
],
"result": {},
"success": "*boolean*"
}
```