> For the complete documentation index, see [llms.txt](https://help.mimeeq.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.mimeeq.com/api/collection-sets/duplicate-collection-set.md).

# Duplicate Collection Set

Duplicate a collection set; returns the new id.

Use this when starting a separate collection set from an existing record. The result identifies the new record; read it before making further changes.

Requires the `collectionSets:write` scope.

```json
{"openapi":"3.1.0","info":{"title":"Mimeeq External API","version":"1.1.0"},"tags":[{"name":"Collection Sets","description":"Manage reusable collections of global option sets in your Mimeeq account. A collection set groups existing option sets; it does not define the individual options inside them.\n\nUse a collection set to maintain an ordered group of option sets for a configurator workflow. Create or update the underlying choices through Global Option Sets first.\n\n## What you can do\n\n| Task | Reference |\n| --- | --- |\n| Find available collection sets | [List Collection Sets](https://help.mimeeq.com/developers/collection-sets/list-collection-sets) |\n| Add a new collection set | [Create Collection Set](https://help.mimeeq.com/developers/collection-sets/create-collection-set) |\n| Read one collection set | [Get Collection Set](https://help.mimeeq.com/developers/collection-sets/get-collection-set) |\n| Change collection set | [Update Collection Set](https://help.mimeeq.com/developers/collection-sets/update-collection-set) |\n| Change collection set option sets | [Update Collection Set Option Sets](https://help.mimeeq.com/developers/collection-sets/update-collection-set-option-sets) |\n| Add Collection Set Option Sets | [Add Collection Set Option Sets](https://help.mimeeq.com/developers/collection-sets/add-collection-set-option-sets) |\n| Remove Collection Set Option Sets | [Remove Collection Set Option Sets](https://help.mimeeq.com/developers/collection-sets/remove-collection-set-option-sets) |\n| Copy collection set | [Duplicate Collection Set](https://help.mimeeq.com/developers/collection-sets/duplicate-collection-set) |\n\n## Before you start\n\nYour API key needs `collectionSets:read` to read these resources. Use `collectionSets:write` for write operations.\n\n## Important behaviour\n\nUse existing option-set IDs from the same account. General settings and member option sets are updated separately. PUT replaces the full member list; POST adds members without duplicates; the remove operation removes selected members. New collections are inactive by default. Inspect create responses because optional follow-up settings may not all have been applied."}],"servers":[{"url":"https://admin.mimeeqapi.com","description":"Production API"}],"security":[{"apiKey":[]}],"components":{"securitySchemes":{"apiKey":{"type":"http","scheme":"bearer","description":"API key sent as a bearer token (mk_live_… / mk_test_…)."}},"schemas":{"CollectionSetsMutation":{"type":"object","properties":{"data":{"type":"object","properties":{"collectionSetId":{"type":"string","pattern":"^MCS-[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$","description":"Collection set identifier (MCS-<uuid>)."},"name":{"type":"string"},"status":{"type":"string","enum":["ACTIVE","INACTIVE"]},"createdAt":{"anyOf":[{"type":"string"},{"type":"null"}]},"modifiedAt":{"anyOf":[{"type":"string"},{"type":"null"}]},"tags":{"type":"array","items":{"type":"string"}},"optionSets":{"type":"array","items":{"type":"object","properties":{"optionSetId":{"type":"string"},"name":{"anyOf":[{"type":"string"},{"type":"null"}]},"status":{"anyOf":[{"type":"string"},{"type":"null"}]}},"required":["optionSetId","name","status"],"additionalProperties":false}}},"required":["collectionSetId"],"additionalProperties":false}},"required":["data"],"additionalProperties":false,"description":"Data schema used by Create Collection Set (POST /v1/collection-sets). Read that operation for usage, permissions and update rules. Required fields and allowed values are defined below; request and response shapes can differ."},"PublicError":{"description":"An API error response. Use code and the HTTP status to classify the failure, message and optional details for context, and requestId when reporting it. Edge firewall responses may omit requestId.","type":"object","required":["code","message"],"properties":{"code":{"type":"string"},"message":{"type":"string"},"requestId":{"type":"string","description":"Present on every error the API itself returns; absent when the edge firewall rejected the request."},"details":{"description":"Optional error-specific details (e.g. per-field validation reasons)."}}}}},"paths":{"/v1/collection-sets/{collectionSetId}/duplicate":{"post":{"summary":"Duplicate Collection Set","tags":["Collection Sets"],"description":"Duplicate a collection set; returns the new id.\n\nUse this when starting a separate collection set from an existing record. The result identifies the new record; read it before making further changes.\n\nRequires the `collectionSets:write` scope.","responses":{"200":{"description":"Successful response.","headers":{"RateLimit-Limit":{"description":"Requests that can be admitted at once (the tier burst).","schema":{"type":"integer"}},"RateLimit-Remaining":{"description":"Tokens left after this request.","schema":{"type":"integer"}},"RateLimit-Reset":{"description":"Seconds until the bucket is full again.","schema":{"type":"integer"}}},"content":{"application/json":{"schema":{"$ref":"#/components/schemas/CollectionSetsMutation"}}}},"400":{"description":"Invalid request data.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/PublicError"}}},"headers":{"RateLimit-Limit":{"description":"Requests that can be admitted at once (the tier burst).","schema":{"type":"integer"}},"RateLimit-Remaining":{"description":"Tokens left after this request.","schema":{"type":"integer"}},"RateLimit-Reset":{"description":"Seconds until the bucket is full again.","schema":{"type":"integer"}}}},"401":{"description":"Missing or invalid API key.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/PublicError"}}}},"403":{"description":"The API key lacks the required scope (`scope_denied`), or the operation is not permitted for this account (`operation_not_permitted`).","content":{"application/json":{"schema":{"$ref":"#/components/schemas/PublicError"}}},"headers":{"RateLimit-Limit":{"description":"Requests that can be admitted at once (the tier burst).","schema":{"type":"integer"}},"RateLimit-Remaining":{"description":"Tokens left after this request.","schema":{"type":"integer"}},"RateLimit-Reset":{"description":"Seconds until the bucket is full again.","schema":{"type":"integer"}}}},"404":{"description":"Resource not found.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/PublicError"}}},"headers":{"RateLimit-Limit":{"description":"Requests that can be admitted at once (the tier burst).","schema":{"type":"integer"}},"RateLimit-Remaining":{"description":"Tokens left after this request.","schema":{"type":"integer"}},"RateLimit-Reset":{"description":"Seconds until the bucket is full again.","schema":{"type":"integer"}}}},"429":{"description":"The API key exceeded its request rate (`rate_limit_exceeded`) or its monthly quota (`quota_exceeded`). Both carry `Retry-After`; the `RateLimit-*` headers accompany `rate_limit_exceeded` only, since a spent quota says nothing about the bucket.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/PublicError"}}},"headers":{"Retry-After":{"description":"Seconds to wait before retrying.","schema":{"type":"integer"}},"RateLimit-Limit":{"description":"Requests that can be admitted at once (the tier burst).","schema":{"type":"integer"}},"RateLimit-Remaining":{"description":"Tokens left after this request.","schema":{"type":"integer"}},"RateLimit-Reset":{"description":"Seconds until the bucket is full again.","schema":{"type":"integer"}}}},"500":{"description":"Internal server error.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/PublicError"}}},"headers":{"RateLimit-Limit":{"description":"Requests that can be admitted at once (the tier burst).","schema":{"type":"integer"}},"RateLimit-Remaining":{"description":"Tokens left after this request.","schema":{"type":"integer"}},"RateLimit-Reset":{"description":"Seconds until the bucket is full again.","schema":{"type":"integer"}}}}},"parameters":[{"name":"collectionSetId","in":"path","required":true,"schema":{"type":"string","pattern":"^MCS-[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$","description":"Collection set identifier (MCS-<uuid>)."}}]}}}}
```


---

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