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Use a user API key with MC and filing read access. Complete the authentication setup first. These IDs identify filing workspaces, not entries in the regulatory catalog.

List filings

List across all active Mission Controls you can view in your tenant. There is no MC filter:
The response has a filings array and nullable nextCursor. Summaries include ID, canonical authorization scope (mc:<MC UUID>), display name, filing mode, company/jurisdiction/product IDs, tracking numbers, description, and timestamps. Missing optional metadata is null. filingMode distinguishes managed, read-only reference, and unclassified legacy data (null). MC access alone does not grant access to private filings. Repeat the limit with the returned cursor. Default page size is 50; maximum is 100. Results are ordered by MC UUID ascending, then creation time descending and filing ID ascending within each MC. Short/empty pages may have a continuation; stop only at null. Cursors expire 24 hours after the first page. Changing caller or page size invalidates them. Each call refreshes current MC and filing access; revoked scopes are skipped. Restart the list to see newly accessible filings that sort before your current position. No accessible filings returns an empty list.

Read one filing

Set FILING_ID to a returned ID. No MC parameter is needed:
Detail adds additional product references, dates/classification, and current Records permissions. For a Reader, the permission portion is:
These are current permissions, not a list of available v2 write endpoints. Later operations recheck them. References/unclassified filings never advertise content editing; existing sharing administration remains separate. Private grants, custom fields, internal context, and audit actors are not exposed.

Next steps

Create or edit a filing, manage its documents, or read its comments. See error recovery for failed requests.