diff --git a/go/plumbing/operations/archive_agent_runner_responses.go b/go/plumbing/operations/archive_agent_runner_responses.go
index fae96947..028b8c23 100644
--- a/go/plumbing/operations/archive_agent_runner_responses.go
+++ b/go/plumbing/operations/archive_agent_runner_responses.go
@@ -61,7 +61,7 @@ func NewArchiveAgentRunnerAccepted() *ArchiveAgentRunnerAccepted {
 /*
 ArchiveAgentRunnerAccepted handles this case with default header values.
 
-Accepted
+Accepted. The response has no body. The archive is applied before this returns: `getAgentRunner` (`GET /agent_runners/{agent_runner_id}`) reports `state` as `archived`.
 */
 type ArchiveAgentRunnerAccepted struct {
 }
diff --git a/go/plumbing/operations/delete_agent_runner_responses.go b/go/plumbing/operations/delete_agent_runner_responses.go
index 8db6e4d1..47f7c588 100644
--- a/go/plumbing/operations/delete_agent_runner_responses.go
+++ b/go/plumbing/operations/delete_agent_runner_responses.go
@@ -49,7 +49,7 @@ func NewDeleteAgentRunnerAccepted() *DeleteAgentRunnerAccepted {
 /*
 DeleteAgentRunnerAccepted handles this case with default header values.
 
-Accepted
+Accepted. Same behavior as `stopAgentRunner`: the response has no body, the run's active sessions are set to `cancelled` before it returns, and the sandbox shuts down in the background. To confirm, poll `getAgentRunnerSession` (`GET /agent_runners/{agent_runner_id}/sessions/{agent_runner_session_id}`) and check that `state` is `cancelled`.
 */
 type DeleteAgentRunnerAccepted struct {
 }
diff --git a/go/plumbing/operations/delete_agent_runner_session_responses.go b/go/plumbing/operations/delete_agent_runner_session_responses.go
index 375f3072..22234984 100644
--- a/go/plumbing/operations/delete_agent_runner_session_responses.go
+++ b/go/plumbing/operations/delete_agent_runner_session_responses.go
@@ -49,7 +49,7 @@ func NewDeleteAgentRunnerSessionAccepted() *DeleteAgentRunnerSessionAccepted {
 /*
 DeleteAgentRunnerSessionAccepted handles this case with default header values.
 
-Accepted
+Accepted. Same behavior as `stopAgentRunnerSession`: the response has no body, the session is set to `cancelled` before it returns, and the sandbox shuts down in the background. To confirm, poll `getAgentRunnerSession` (`GET /agent_runners/{agent_runner_id}/sessions/{agent_runner_session_id}`) and check that `state` is `cancelled`.
 */
 type DeleteAgentRunnerSessionAccepted struct {
 }
diff --git a/go/plumbing/operations/delete_site_dev_servers_responses.go b/go/plumbing/operations/delete_site_dev_servers_responses.go
index 6e3fdfac..98dfab61 100644
--- a/go/plumbing/operations/delete_site_dev_servers_responses.go
+++ b/go/plumbing/operations/delete_site_dev_servers_responses.go
@@ -49,7 +49,7 @@ func NewDeleteSiteDevServersAccepted() *DeleteSiteDevServersAccepted {
 /*
 DeleteSiteDevServersAccepted handles this case with default header values.
 
-OK
+Accepted. The response has no body. The branch's active dev servers are set to `stopping` before this returns and shut down in the background. Poll `getSiteDevServer` (`GET /sites/{site_id}/dev_servers/{dev_server_id}`) or `listSiteDevServers` (`GET /sites/{site_id}/dev_servers`) until `state` is `done` (or `error`).
 */
 type DeleteSiteDevServersAccepted struct {
 }
diff --git a/go/plumbing/operations/purge_cache_responses.go b/go/plumbing/operations/purge_cache_responses.go
index b3b1ebf5..c5439665 100644
--- a/go/plumbing/operations/purge_cache_responses.go
+++ b/go/plumbing/operations/purge_cache_responses.go
@@ -52,7 +52,7 @@ func NewPurgeCacheAccepted() *PurgeCacheAccepted {
 /*
 PurgeCacheAccepted handles this case with default header values.
 
-OK
+Accepted. The purge is queued and propagates across the CDN asynchronously. The response has no body and there is no status resource to poll for completion.
 */
 type PurgeCacheAccepted struct {
 }
diff --git a/go/plumbing/operations/stop_agent_runner_responses.go b/go/plumbing/operations/stop_agent_runner_responses.go
index 7693987c..3caf12d9 100644
--- a/go/plumbing/operations/stop_agent_runner_responses.go
+++ b/go/plumbing/operations/stop_agent_runner_responses.go
@@ -49,7 +49,7 @@ func NewStopAgentRunnerAccepted() *StopAgentRunnerAccepted {
 /*
 StopAgentRunnerAccepted handles this case with default header values.
 
-Accepted
+Accepted. The response has no body. The run's active sessions are set to `cancelled` before this returns, and the sandbox shuts down in the background. To confirm, poll `getAgentRunnerSession` (`GET /agent_runners/{agent_runner_id}/sessions/{agent_runner_session_id}`) and check that `state` is `cancelled`.
 */
 type StopAgentRunnerAccepted struct {
 }
diff --git a/go/plumbing/operations/stop_agent_runner_session_responses.go b/go/plumbing/operations/stop_agent_runner_session_responses.go
index 1ec42279..ea9c6e0d 100644
--- a/go/plumbing/operations/stop_agent_runner_session_responses.go
+++ b/go/plumbing/operations/stop_agent_runner_session_responses.go
@@ -49,7 +49,7 @@ func NewStopAgentRunnerSessionAccepted() *StopAgentRunnerSessionAccepted {
 /*
 StopAgentRunnerSessionAccepted handles this case with default header values.
 
-Accepted
+Accepted. The response has no body. The session is set to `cancelled` before this returns, and the sandbox shuts down in the background. To confirm, poll `getAgentRunnerSession` (`GET /agent_runners/{agent_runner_id}/sessions/{agent_runner_session_id}`) and check that `state` is `cancelled`.
 */
 type StopAgentRunnerSessionAccepted struct {
 }
diff --git a/swagger.yml b/swagger.yml
index ff7f8265..b56cff10 100644
--- a/swagger.yml
+++ b/swagger.yml
@@ -843,7 +843,10 @@ paths:
           required: true
       responses:
         '202':
-          description: OK
+          description: >-
+            Accepted. The purge is queued and propagates across the CDN asynchronously.
+            The response has no body and there is no status resource to poll for
+            completion.
         '400':
           description: Invalid request parameters
         '404':
@@ -2529,7 +2532,12 @@ paths:
       description: Same as `POST /agent_runners/{agent_runner_id}/stop`. Doesn't delete the run.
       responses:
         '202':
-          description: Accepted
+          description: >-
+            Accepted. Same behavior as `stopAgentRunner`: the response has no body, the
+            run's active sessions are set to `cancelled` before it returns, and the
+            sandbox shuts down in the background. To confirm, poll `getAgentRunnerSession`
+            (`GET /agent_runners/{agent_runner_id}/sessions/{agent_runner_session_id}`) and check
+            that `state` is `cancelled`.
         default:
           $ref: '#/responses/error'
   /agent_runners/{agent_runner_id}/stop:
@@ -2544,7 +2552,12 @@ paths:
       description: Stops the run's active session. Stopping happens in the background.
       responses:
         '202':
-          description: Accepted
+          description: >-
+            Accepted. The response has no body. The run's active sessions are set to
+            `cancelled` before this returns, and the sandbox shuts down in the
+            background. To confirm, poll `getAgentRunnerSession`
+            (`GET /agent_runners/{agent_runner_id}/sessions/{agent_runner_session_id}`) and check
+            that `state` is `cancelled`.
         default:
           $ref: '#/responses/error'
   /agent_runners/{agent_runner_id}/diff:
@@ -2588,7 +2601,10 @@ paths:
       tags: [agentRunner]
       responses:
         '202':
-          description: Accepted
+          description: >-
+            Accepted. The response has no body. The archive is applied before this
+            returns: `getAgentRunner` (`GET /agent_runners/{agent_runner_id}`) reports
+            `state` as `archived`.
         '404':
           description: Not Found
         '422':
@@ -2783,7 +2799,12 @@ paths:
       description: Same as `POST /agent_runners/{agent_runner_id}/sessions/{agent_runner_session_id}/stop`. Doesn't delete the session.
       responses:
         '202':
-          description: Accepted
+          description: >-
+            Accepted. Same behavior as `stopAgentRunnerSession`: the response has no
+            body, the session is set to `cancelled` before it returns, and the sandbox
+            shuts down in the background. To confirm, poll `getAgentRunnerSession`
+            (`GET /agent_runners/{agent_runner_id}/sessions/{agent_runner_session_id}`) and check
+            that `state` is `cancelled`.
         default:
           $ref: '#/responses/error'
   /agent_runners/{agent_runner_id}/sessions/{agent_runner_session_id}/stop:
@@ -2802,7 +2823,12 @@ paths:
       description: Stops the session. Stopping happens in the background.
       responses:
         '202':
-          description: Accepted
+          description: >-
+            Accepted. The response has no body. The session is set to `cancelled`
+            before this returns, and the sandbox shuts down in the background.
+            To confirm, poll `getAgentRunnerSession`
+            (`GET /agent_runners/{agent_runner_id}/sessions/{agent_runner_session_id}`) and check
+            that `state` is `cancelled`.
         default:
           $ref: '#/responses/error'
   /agent_runners/{agent_runner_id}/sessions/{agent_runner_session_id}/answers:
@@ -3372,7 +3398,12 @@ paths:
           in: query
       responses:
         '202':
-          description: OK
+          description: >-
+            Accepted. The response has no body. The branch's active dev servers are set
+            to `stopping` before this returns and shut down in the background. Poll
+            `getSiteDevServer` (`GET /sites/{site_id}/dev_servers/{dev_server_id}`) or
+            `listSiteDevServers` (`GET /sites/{site_id}/dev_servers`) until `state` is
+            `done` (or `error`).
         default:
           $ref: '#/responses/error'
   # end sites/{site_id}/dev_servers