> 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/market-cost-prices/create-market-cost-price.md).

# Create Market Cost Price

Create a single market cost price.

Use this when adding a new market, code and quantity combination; use update or bulk UPSERT for an existing record.

### Behaviour

The `market` must be one of your configured markets (`400 market_not_configured` otherwise).

Returns 409 if the market/code/quantity combination already exists.

Requires the `marketCostPrices:write` scope.

```json
{"openapi":"3.1.0","info":{"title":"Mimeeq External API","version":"1.1.0"},"tags":[{"name":"Market Cost Prices","description":"Manage cost prices and optional recommended retail prices for a configured market, item code and quantity. The market selects the currency; requests do not supply a separate currency.\n\nUse this section to synchronize market-specific price inputs from a pricing or ERP system. Use Price Lists for selling-price lists and Companies for their assignments.\n\n## What you can do\n\n| Task | Reference |\n| --- | --- |\n| Find available market cost prices | [List Market Cost Prices](https://help.mimeeq.com/developers/market-cost-prices/list-market-cost-prices) |\n| Add a new market cost price | [Create Market Cost Price](https://help.mimeeq.com/developers/market-cost-prices/create-market-cost-price) |\n| Import or update market cost prices | [Bulk upsert Market Cost Prices](https://help.mimeeq.com/developers/market-cost-prices/bulk-upsert-market-cost-prices) |\n| Change market cost price | [Update Market Cost Price](https://help.mimeeq.com/developers/market-cost-prices/update-market-cost-price) |\n\n## Before you start\n\nYour API key needs `marketCostPrices:read` to read these resources. Use `marketCostPrices:write` for write operations.\n\n## Important behaviour\n\nRead Customer pricing settings for valid markets. The combination of market, code and quantity identifies a price record. Updates and bulk upserts replace the submitted price fields; omitting rrp clears it. The list has a 10000-record retrieval ceiling, so check page.truncated and use search to narrow large datasets."}],"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":{"MarketCostPricesMutation":{"type":"object","properties":{"data":{"type":"object","properties":{"marketCostPriceId":{"type":"string","pattern":"^MCP-[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}$","description":"Market cost price identifier (MCP-<uuid>)."}},"required":["marketCostPriceId"],"additionalProperties":false}},"required":["data"],"additionalProperties":false,"description":"Data schema used by Create Market Cost Price (POST /v1/market-cost-prices). Read that operation for usage, permissions and update rules. Required fields and allowed values are defined below; request and response shapes can differ."},"PublicError":{"description":"An API error response. Use code and the HTTP status to classify the failure, message and optional details for context, and requestId when reporting it. Edge firewall responses may omit requestId.","type":"object","required":["code","message"],"properties":{"code":{"type":"string"},"message":{"type":"string"},"requestId":{"type":"string","description":"Present on every error the API itself returns; absent when the edge firewall rejected the request."},"details":{"description":"Optional error-specific details (e.g. per-field validation reasons)."}}},"MarketCostPricesCreateRequest":{"type":"object","properties":{"market":{"type":"string","minLength":1,"maxLength":255,"description":"Market the price applies to, as configured for the customer."},"code":{"type":"string","minLength":1,"maxLength":255,"pattern":"^[./\\\\_\\-\\w]+$","description":"Product/variant code."},"quantity":{"type":"integer","minimum":0,"maximum":9007199254740991,"description":"Quantity tier the price applies to (integer ≥ 0)."},"cost":{"type":"number","minimum":0,"description":"Cost price in the market currency."},"rrp":{"type":"number","minimum":0,"description":"Recommended retail price in the market currency."}},"required":["market","code","quantity","cost"],"additionalProperties":false,"description":"Data schema used by Create Market Cost Price (POST /v1/market-cost-prices). Read that operation for usage, permissions and update rules. Required fields and allowed values are defined below; request and response shapes can differ."}}},"paths":{"/v1/market-cost-prices":{"post":{"summary":"Create Market Cost Price","tags":["Market Cost Prices"],"description":"Create a single market cost price.\n\nUse this when adding a new market, code and quantity combination; use update or bulk UPSERT for an existing record.\n\n## Behaviour\n\nThe `market` must be one of your configured markets (`400 market_not_configured` otherwise).\n\nReturns 409 if the market/code/quantity combination already exists.\n\nRequires the `marketCostPrices:write` scope.","responses":{"201":{"description":"Created.","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":{"$ref":"#/components/schemas/MarketCostPricesMutation"}}}},"400":{"description":"Invalid request data.","content":{"application/json":{"schema":{"$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"}}}},"409":{"description":"Conflict with the current state (e.g. the resource already exists).","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":{"$ref":"#/components/schemas/PublicError"}}},"headers":{"RateLimit-Limit":{"description":"Requests that can be admitted at once (the tier burst).","schema":{"type":"integer"}},"RateLimit-Remaining":{"description":"Tokens left after this request.","schema":{"type":"integer"}},"RateLimit-Reset":{"description":"Seconds until the bucket is full again.","schema":{"type":"integer"}}}}},"requestBody":{"required":true,"content":{"application/json":{"schema":{"$ref":"#/components/schemas/MarketCostPricesCreateRequest"}}}}}}}}
```


---

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