Optionaladcp_The AdCP major version the buyer's payloads conform to. Sellers validate against their supported major_versions and return VERSION_UNSUPPORTED if unsupported. When omitted, the seller assumes its highest supported version.
ID of the collection list to update
OptionalaccountOptionalnameNew name for the list
OptionaldescriptionNew description
Optionalbase_Complete replacement for the base collections list (not a patch). Each entry is a discriminated union: distribution_ids (platform-independent identifiers), publisher_collections (publisher_domain + collection_ids), or publisher_genres (publisher_domain + genres).
OptionalfiltersOptionalbrandOptionalwebhook_Update the webhook URL for list change notifications (set to empty string to remove). Governance agents MUST validate this URL against SSRF per docs/building/implementation/security#webhook-url-validation-ssrf.
OptionalcontextOptionalextClient-generated unique key for at-most-once execution. If a request with the same key has already been processed, the server returns the original response without re-processing. MUST be unique per (seller, request) pair to prevent cross-seller correlation. Use a fresh UUID v4 for each request.
Request parameters for updating an existing collection list