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PUT Select visible servers for a live list

/api/v1/devices/live/viewport

Select up to 50 visible server IDs for your own live connection. A viewer session with the same workspace, browser cookies and CSRF protection is required. Only IDs belonging to the current page can supply live values. Selected servers refresh on the next one-second tick; source details remain available in tooltips. An empty list pauses measurement updates while the connection stays live. The selection ends when the connection closes.

On this page

Access and permissions

Select up to 50 visible server IDs for your own live connection. A viewer session with the same workspace, browser cookies and CSRF protection is required. Only IDs belonging to the current page can supply live values. Selected servers refresh on the next one-second tick; source details remain available in tooltips. An empty list pauses measurement updates while the connection stays live. The selection ends when the connection closes.

Browser session: __Host-mb_session cookie.

When using a browser session for a mutation, send the current CSRF token in X-CSRF-Token with the same-site cookie. OAuth consent uses its documented form field.

Parameters and headers

FieldLocationType and limitsRequiredMeaning
workspace_idURL querystring; {"format":"uuid"}YesUUID of an owned workspace. When optional, omission selects the documented default or all owned workspaces.
X-CSRF-TokenHeaderstringYesBrowser CSRF cookie value. Not required when an allowed machine management credential is used.
OriginHeaderstring; {"format":"uri"}NoIf present, must match the canonical HTTPS origin. Sec-Fetch-Site cross-site is rejected.

Request body

FieldType and limitsRequiredMeaning
$object; {"additionalProperties":false}Yes—
$.stream_idstring; {"format":"uuid"}YesUnique UUID for this browser live connection.
$.device_idsarray<string; {"format":"uuid"}>; {"maxItems":50}YesVisible server IDs from the current page; an empty array pauses measurement updates.
$.device_ids[]string; {"format":"uuid"}Yes—

Responses

Stable error codes
unauthorized
invalid_credential
session_revoked
HeaderType and limitsMeaning
Cache-Controlstring; {"pattern":"(?:^|,\\s*)no-store(?:,|$)"}Private API responses prohibit storage. Public OAuth metadata is cached for 300 seconds; live streams additionally prohibit transformation.
Content-Languagestring; {"enum":["en","de"]}Language of human-readable response text, resolved from Accept-Language or the documented browser preference. Technical codes and identifiers remain stable.
Referrer-PolicyJSON; {"enum":["strict-origin-when-cross-origin","no-referrer"]}The default referrer policy is strict-origin-when-cross-origin. Provider-login responses use no-referrer to protect login parameters.
VarystringResponses vary by Accept-Language; browser-rendered responses can also vary by the preference cookie.
X-Content-Type-OptionsJSON; {"const":"nosniff"}The browser must use the declared content type.
X-Frame-OptionsJSON; {"const":"DENY"}The response must not be embedded in a frame.
X-Request-IDstringServer-generated request identifier. Include this when reporting an error; inbound values are not trusted.

application/problem+json

FieldType and limitsRequiredMeaning
$ProblemYes—
$.codestringYesStable machine-readable error code
$.detailstringYesShort localized explanation without internal error details
$.instancestringYesUnique relative identifier /api/v1/requests/{request_id}; not a retrievable resource
$.messagestringYesTemporarily identical to detail for existing clients
$.message_keystringYesStable translation key for changing the displayed language without another request
$.message_paramsobject; {"additionalProperties":true}YesNamed, safely rendered message parameters; never arbitrary HTML
$.request_idstring; {"pattern":"^[0-9a-f]{32}$"}YesServer-generated diagnostic identifier. It contains no login token or credential.
$.statusinteger; {"maximum":599,"minimum":400}Yes—
$.titlestringYesLocalized HTTP status title
$.typestring; {"const":"about:blank"}Yes—
Stable error codes
browser_session_required
csrf
insufficient_scope
invalid_origin
workspace_scope
HeaderType and limitsMeaning
Cache-Controlstring; {"pattern":"(?:^|,\\s*)no-store(?:,|$)"}Private API responses prohibit storage. Public OAuth metadata is cached for 300 seconds; live streams additionally prohibit transformation.
Content-Languagestring; {"enum":["en","de"]}Language of human-readable response text, resolved from Accept-Language or the documented browser preference. Technical codes and identifiers remain stable.
Referrer-PolicyJSON; {"enum":["strict-origin-when-cross-origin","no-referrer"]}The default referrer policy is strict-origin-when-cross-origin. Provider-login responses use no-referrer to protect login parameters.
VarystringResponses vary by Accept-Language; browser-rendered responses can also vary by the preference cookie.
X-Content-Type-OptionsJSON; {"const":"nosniff"}The browser must use the declared content type.
X-Frame-OptionsJSON; {"const":"DENY"}The response must not be embedded in a frame.
X-Request-IDstringServer-generated request identifier. Include this when reporting an error; inbound values are not trusted.

application/problem+json

FieldType and limitsRequiredMeaning
$ProblemYes—
$.codestringYesStable machine-readable error code
$.detailstringYesShort localized explanation without internal error details
$.instancestringYesUnique relative identifier /api/v1/requests/{request_id}; not a retrievable resource
$.messagestringYesTemporarily identical to detail for existing clients
$.message_keystringYesStable translation key for changing the displayed language without another request
$.message_paramsobject; {"additionalProperties":true}YesNamed, safely rendered message parameters; never arbitrary HTML
$.request_idstring; {"pattern":"^[0-9a-f]{32}$"}YesServer-generated diagnostic identifier. It contains no login token or credential.
$.statusinteger; {"maximum":599,"minimum":400}Yes—
$.titlestringYesLocalized HTTP status title
$.typestring; {"const":"about:blank"}Yes—
Stable error codes
not_found
HeaderType and limitsMeaning
Cache-Controlstring; {"pattern":"(?:^|,\\s*)no-store(?:,|$)"}Private API responses prohibit storage. Public OAuth metadata is cached for 300 seconds; live streams additionally prohibit transformation.
Content-Languagestring; {"enum":["en","de"]}Language of human-readable response text, resolved from Accept-Language or the documented browser preference. Technical codes and identifiers remain stable.
Referrer-PolicyJSON; {"enum":["strict-origin-when-cross-origin","no-referrer"]}The default referrer policy is strict-origin-when-cross-origin. Provider-login responses use no-referrer to protect login parameters.
VarystringResponses vary by Accept-Language; browser-rendered responses can also vary by the preference cookie.
X-Content-Type-OptionsJSON; {"const":"nosniff"}The browser must use the declared content type.
X-Frame-OptionsJSON; {"const":"DENY"}The response must not be embedded in a frame.
X-Request-IDstringServer-generated request identifier. Include this when reporting an error; inbound values are not trusted.

application/problem+json

FieldType and limitsRequiredMeaning
$ProblemYes—
$.codestringYesStable machine-readable error code
$.detailstringYesShort localized explanation without internal error details
$.instancestringYesUnique relative identifier /api/v1/requests/{request_id}; not a retrievable resource
$.messagestringYesTemporarily identical to detail for existing clients
$.message_keystringYesStable translation key for changing the displayed language without another request
$.message_paramsobject; {"additionalProperties":true}YesNamed, safely rendered message parameters; never arbitrary HTML
$.request_idstring; {"pattern":"^[0-9a-f]{32}$"}YesServer-generated diagnostic identifier. It contains no login token or credential.
$.statusinteger; {"maximum":599,"minimum":400}Yes—
$.titlestringYesLocalized HTTP status title
$.typestring; {"const":"about:blank"}Yes—
Stable error codes
invalid_cursor
invalid_filters
invalid_live
invalid_selection
live_limit
HeaderType and limitsMeaning
Cache-Controlstring; {"pattern":"(?:^|,\\s*)no-store(?:,|$)"}Private API responses prohibit storage. Public OAuth metadata is cached for 300 seconds; live streams additionally prohibit transformation.
Content-Languagestring; {"enum":["en","de"]}Language of human-readable response text, resolved from Accept-Language or the documented browser preference. Technical codes and identifiers remain stable.
Referrer-PolicyJSON; {"enum":["strict-origin-when-cross-origin","no-referrer"]}The default referrer policy is strict-origin-when-cross-origin. Provider-login responses use no-referrer to protect login parameters.
VarystringResponses vary by Accept-Language; browser-rendered responses can also vary by the preference cookie.
X-Content-Type-OptionsJSON; {"const":"nosniff"}The browser must use the declared content type.
X-Frame-OptionsJSON; {"const":"DENY"}The response must not be embedded in a frame.
X-Request-IDstringServer-generated request identifier. Include this when reporting an error; inbound values are not trusted.

application/problem+json

FieldType and limitsRequiredMeaning
$ProblemYes—
$.codestringYesStable machine-readable error code
$.detailstringYesShort localized explanation without internal error details
$.instancestringYesUnique relative identifier /api/v1/requests/{request_id}; not a retrievable resource
$.messagestringYesTemporarily identical to detail for existing clients
$.message_keystringYesStable translation key for changing the displayed language without another request
$.message_paramsobject; {"additionalProperties":true}YesNamed, safely rendered message parameters; never arbitrary HTML
$.request_idstring; {"pattern":"^[0-9a-f]{32}$"}YesServer-generated diagnostic identifier. It contains no login token or credential.
$.statusinteger; {"maximum":599,"minimum":400}Yes—
$.titlestringYesLocalized HTTP status title
$.typestring; {"const":"about:blank"}Yes—
Stable error codes
feature_unavailable
stream_unavailable
unavailable
HeaderType and limitsMeaning
Cache-Controlstring; {"pattern":"(?:^|,\\s*)no-store(?:,|$)"}Private API responses prohibit storage. Public OAuth metadata is cached for 300 seconds; live streams additionally prohibit transformation.
Content-Languagestring; {"enum":["en","de"]}Language of human-readable response text, resolved from Accept-Language or the documented browser preference. Technical codes and identifiers remain stable.
Referrer-PolicyJSON; {"enum":["strict-origin-when-cross-origin","no-referrer"]}The default referrer policy is strict-origin-when-cross-origin. Provider-login responses use no-referrer to protect login parameters.
Retry-Afterstring; {"pattern":"^[0-9]+$"}Seconds before retry. Preserve supported idempotency identifiers and respect the operation’s mutation semantics.
VarystringResponses vary by Accept-Language; browser-rendered responses can also vary by the preference cookie.
X-Content-Type-OptionsJSON; {"const":"nosniff"}The browser must use the declared content type.
X-Frame-OptionsJSON; {"const":"DENY"}The response must not be embedded in a frame.
X-Request-IDstringServer-generated request identifier. Include this when reporting an error; inbound values are not trusted.

application/problem+json

FieldType and limitsRequiredMeaning
$ProblemYes—
$.codestringYesStable machine-readable error code
$.detailstringYesShort localized explanation without internal error details
$.instancestringYesUnique relative identifier /api/v1/requests/{request_id}; not a retrievable resource
$.messagestringYesTemporarily identical to detail for existing clients
$.message_keystringYesStable translation key for changing the displayed language without another request
$.message_paramsobject; {"additionalProperties":true}YesNamed, safely rendered message parameters; never arbitrary HTML
$.request_idstring; {"pattern":"^[0-9a-f]{32}$"}YesServer-generated diagnostic identifier. It contains no login token or credential.
$.statusinteger; {"maximum":599,"minimum":400}Yes—
$.titlestringYesLocalized HTTP status title
$.typestring; {"const":"about:blank"}Yes—
Stable error codes
feature_unavailable
unavailable
live_capacity
HeaderType and limitsMeaning
Cache-Controlstring; {"pattern":"(?:^|,\\s*)no-store(?:,|$)"}Private API responses prohibit storage. Public OAuth metadata is cached for 300 seconds; live streams additionally prohibit transformation.
Content-Languagestring; {"enum":["en","de"]}Language of human-readable response text, resolved from Accept-Language or the documented browser preference. Technical codes and identifiers remain stable.
Referrer-PolicyJSON; {"enum":["strict-origin-when-cross-origin","no-referrer"]}The default referrer policy is strict-origin-when-cross-origin. Provider-login responses use no-referrer to protect login parameters.
Retry-Afterstring; {"pattern":"^[0-9]+$"}Seconds before retry. Preserve supported idempotency identifiers and respect the operation’s mutation semantics.
VarystringResponses vary by Accept-Language; browser-rendered responses can also vary by the preference cookie.
X-Content-Type-OptionsJSON; {"const":"nosniff"}The browser must use the declared content type.
X-Frame-OptionsJSON; {"const":"DENY"}The response must not be embedded in a frame.
X-Request-IDstringServer-generated request identifier. Include this when reporting an error; inbound values are not trusted.

application/problem+json

FieldType and limitsRequiredMeaning
$ProblemYes—
$.codestringYesStable machine-readable error code
$.detailstringYesShort localized explanation without internal error details
$.instancestringYesUnique relative identifier /api/v1/requests/{request_id}; not a retrievable resource
$.messagestringYesTemporarily identical to detail for existing clients
$.message_keystringYesStable translation key for changing the displayed language without another request
$.message_paramsobject; {"additionalProperties":true}YesNamed, safely rendered message parameters; never arbitrary HTML
$.request_idstring; {"pattern":"^[0-9a-f]{32}$"}YesServer-generated diagnostic identifier. It contains no login token or credential.
$.statusinteger; {"maximum":599,"minimum":400}Yes—
$.titlestringYesLocalized HTTP status title
$.typestring; {"const":"about:blank"}Yes—

Retries and asynchronous work

This change does not have a general retry guarantee. If the response is unclear, read the affected resource before trying again. Follow Retry-After waiting times and request new sign-in or action codes when they expire.

Request examples

Replace demo IDs, timestamps and placeholders with your own values. For a retry, keep the same IDs, time and content. These examples do not run requests on this page.

Keep login links, codes, cookies and keys private. Do not print them in logs or share them in support requests.

shell
curl --silent --show-error --output /dev/null --write-out "%{http_code}\n" \
 --request PUT --header @"$HOME/.config/metribeacon/headers.txt" \
 --header 'Content-Type: application/json' --data '{"stream_id":"00000000-0000-4000-8000-000000000002","device_ids":[]}' \
 'https://metribeacon.com/api/v1/devices/live/viewport?workspace_id=00000000-0000-4000-8000-000000000001'
python
import json
from pathlib import Path
from urllib.request import Request, urlopen
headers = json.loads((Path.home() / ".config/metribeacon/headers.json").read_text())
headers["Content-Type"] = "application/json"
request = Request('https://metribeacon.com/api/v1/devices/live/viewport?workspace_id=00000000-0000-4000-8000-000000000001', data=b'{"stream_id":"00000000-0000-4000-8000-000000000002","device_ids":[]}', headers=headers, method="PUT")
with urlopen(request, timeout=10) as response:
    print(response.status)
javascript
import { readFile } from "node:fs/promises";
import { homedir } from "node:os";
import { join } from "node:path";
const headers = JSON.parse(await readFile(join(homedir(), ".config/metribeacon/headers.json"), "utf8"));
const response = await fetch("https://metribeacon.com/api/v1/devices/live/viewport?workspace_id=00000000-0000-4000-8000-000000000001", {method:"PUT", headers:{...headers,"Content-Type":"application/json"}, body:"{\"stream_id\":\"00000000-0000-4000-8000-000000000002\",\"device_ids\":[]}", signal:AbortSignal.timeout(10000), redirect:"error"});
console.log(response.status);
await response.body?.cancel();
go
package main
import ("encoding/json";"fmt";"net/http";"os";"path/filepath";"strings";"time")
func main() {
 home, err := os.UserHomeDir(); if err != nil { panic("request failed") }
 raw, err := os.ReadFile(filepath.Join(home,".config/metribeacon/headers.json")); if err != nil { panic("request failed") }
 var headers map[string]string; if json.Unmarshal(raw,&headers) != nil { panic("invalid headers") }
 request, err := http.NewRequest("PUT","https://metribeacon.com/api/v1/devices/live/viewport?workspace_id=00000000-0000-4000-8000-000000000001",strings.NewReader(`{"stream_id":"00000000-0000-4000-8000-000000000002","device_ids":[]}`)); if err != nil { panic("request failed") }
 for name,value := range headers { request.Header.Set(name,value) }
 request.Header.Set("Content-Type","application/json")
 client := &http.Client{Timeout:10*time.Second,CheckRedirect:func(*http.Request,[]*http.Request)error{return http.ErrUseLastResponse}}
 response, err := client.Do(request); if err != nil { panic("request failed") }
 defer response.Body.Close(); fmt.Println(response.StatusCode)
}
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