open-vault/website/content/api-docs/system/metrics.mdx

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---
layout: api
page_title: /sys/metrics - HTTP API
description: The `/sys/metrics` endpoint is used to get telemetry metrics for Vault.
---
# `/sys/metrics`
The `/sys/metrics` endpoint is used to get telemetry metrics for Vault.
## Read Telemetry Metrics
This endpoint returns the telemetry metrics for Vault. It can be used by metrics
collections systems like [Prometheus](https://prometheus.io) that use a pull
model for metrics collection.
| Method | Path |
| :----- | :------------- |
| `GET` | `/sys/metrics` |
### Parameters
- `format` `(string: "")` Specifies the format used for the returned metrics. The
default metrics format is JSON. Setting `format` to `prometheus` will return the
metrics in [Prometheus format](https://prometheus.io/docs/instrumenting/exposition_formats/#text-based-format).
### Sample Request
```shell-session
$ curl \
--header "X-Vault-Token: ..." \
'http://127.0.0.1:8200/v1/sys/metrics?format=prometheus'
```
### Sample Response
This response is only returned for a `GET` request.
```
# HELP vault_audit_log_request vault_audit_log_request
# TYPE vault_audit_log_request summary
vault_audit_log_request{quantile="0.5"} 0.005927000194787979
vault_audit_log_request{quantile="0.9"} 0.005927000194787979
vault_audit_log_request{quantile="0.99"} 0.005927000194787979
vault_audit_log_request_sum 0.014550999738276005
vault_audit_log_request_count 2
# HELP vault_audit_log_request_failure vault_audit_log_request_failure
# TYPE vault_audit_log_request_failure counter
vault_audit_log_request_failure 0
# HELP vault_audit_log_response vault_audit_log_response
# TYPE vault_audit_log_response summary
vault_audit_log_response{quantile="0.5"} NaN
vault_audit_log_response{quantile="0.9"} NaN
vault_audit_log_response{quantile="0.99"} NaN
vault_audit_log_response_sum 0.0057669999077916145
vault_audit_log_response_count 1
# HELP vault_audit_log_response_failure vault_audit_log_response_failure
# TYPE vault_audit_log_response_failure counter
vault_audit_log_response_failure 0
# HELP vault_barrier_get vault_barrier_get
# TYPE vault_barrier_get summary
vault_barrier_get{quantile="0.5"} 0.011938000097870827
vault_barrier_get{quantile="0.9"} 0.011938000097870827
vault_barrier_get{quantile="0.99"} 0.011938000097870827
vault_barrier_get_sum 0.1814980012131855
vault_barrier_get_count 36
...
```