[[observability-spans]]
=== Observability - Spans

Below you can find a list of all spans declared by this project.

[[observability-spans-gateway-http-client-observation]]
==== Gateway Http Client Observation Span

> Observation created when sending a request through the gateway.

**Span name** `http.client.requests` (defined by convention class `org.springframework.cloud.gateway.filter.headers.observation.DefaultGatewayObservationConvention`).

Fully qualified name of the enclosing class `org.springframework.cloud.gateway.filter.headers.observation.GatewayDocumentedObservation`.



.Tag Keys
|===
|Name | Description
|`http.method` _(required)_|HTTP Method.
|`http.status_code` _(required)_|HTTP Status.
|`http.uri` _(required)_|Full HTTP URI.
|`spring.cloud.gateway.route.id` _(required)_|Route ID.
|`spring.cloud.gateway.route.uri` _(required)_|HTTP URI taken from the Route.
|===