Use the ID and lease returned by claim, under the same browser session. Acknowledge only after the collector reports stored, duplicate or filtered. Repeated acknowledgements are idempotent. Do not acknowledge production receipts during diagnostic test mode. Keep the lease private; only the opaque event ID reaches the collector.
Use the ID and lease returned by claim, under the same browser session. Acknowledge only after the collector reports stored, duplicate or filtered. Repeated acknowledgements are idempotent. Do not acknowledge production receipts during diagnostic test mode. Keep the lease private; only the opaque event ID reaches the collector.
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.
Private API responses prohibit storage. Public OAuth metadata is cached for 300 seconds; live streams additionally prohibit transformation.
Content-Language
string; {"enum":["en","de"]}
Language of human-readable response text, resolved from Accept-Language or the documented browser preference. Technical codes and identifiers remain stable.
The default referrer policy is strict-origin-when-cross-origin. Provider-login responses use no-referrer to protect login parameters.
Vary
string
Responses vary by Accept-Language; browser-rendered responses can also vary by the preference cookie.
X-Content-Type-Options
JSON; {"const":"nosniff"}
The browser must use the declared content type.
X-Frame-Options
JSON; {"const":"DENY"}
The response must not be embedded in a frame.
X-Request-ID
string
Server-generated request identifier. Include this when reporting an error; inbound values are not trusted.
application/json
Field
Type and limits
Required
Meaning
$
object
Yes
—
$.status
string
Yes
—
json
{
"status": "acknowledged"
}
Stable error codes
invalid_credential
unauthorized
Header
Type and limits
Meaning
Cache-Control
string; {"pattern":"(?:^|,\\s*)no-store(?:,|$)"}
Private API responses prohibit storage. Public OAuth metadata is cached for 300 seconds; live streams additionally prohibit transformation.
Content-Language
string; {"enum":["en","de"]}
Language of human-readable response text, resolved from Accept-Language or the documented browser preference. Technical codes and identifiers remain stable.
Private API responses prohibit storage. Public OAuth metadata is cached for 300 seconds; live streams additionally prohibit transformation.
Content-Language
string; {"enum":["en","de"]}
Language of human-readable response text, resolved from Accept-Language or the documented browser preference. Technical codes and identifiers remain stable.
Private API responses prohibit storage. Public OAuth metadata is cached for 300 seconds; live streams additionally prohibit transformation.
Content-Language
string; {"enum":["en","de"]}
Language of human-readable response text, resolved from Accept-Language or the documented browser preference. Technical codes and identifiers remain stable.
Private API responses prohibit storage. Public OAuth metadata is cached for 300 seconds; live streams additionally prohibit transformation.
Content-Language
string; {"enum":["en","de"]}
Language of human-readable response text, resolved from Accept-Language or the documented browser preference. Technical codes and identifiers remain stable.
Private API responses prohibit storage. Public OAuth metadata is cached for 300 seconds; live streams additionally prohibit transformation.
Content-Language
string; {"enum":["en","de"]}
Language of human-readable response text, resolved from Accept-Language or the documented browser preference. Technical codes and identifiers remain stable.
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.
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.
Browser-only operation for a verified regular human account. Requires its existing session, same-origin request and CSRF token. Returns up to three committed first-success receipts with a 90-second delivery lease. Retry delivery with the unchanged event ID. No historical events or machine access. Delivery may begin within seven days of the fact; retries stop after 47 hours from the first attempt, within the collector deduplication window.
Request a six-digit confirmation code for a sensitive account or workspace change. It lasts five minutes and allows five incorrect attempts. Use the same signed-in browser, action, target and parameters when confirming. A replacement requested after 60 seconds invalidates the previous code for that action. For your own account use link_identity, unlink_identity, add_passkey, remove_passkey or delete_self; workspace membership actions require owner permission. Do not use sign-in codes to confirm changes.