> For the complete documentation index, see [llms.txt](https://developer.harness.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.harness.io/infrastructure-as-code-management/iacm-api-reference/costs/list-costs.md).

# List costs

List the monthly cost per each workspace

```json
{"openapi":"3.0.3","info":{"title":"Infrastructure as Code Management","version":"0.1.0"},"tags":[{"name":"costs","description":"Costs Service handles the API related with the costs attached to workspaces.\nThis API is read only as all the cost are generated in the plugin side"}],"servers":[{"url":"http://localhost:80"}],"paths":{"/api/orgs/{org}/projects/{project}/costs":{"get":{"tags":["costs"],"summary":"List costs","description":"List the monthly cost per each workspace","operationId":"costs#list-costs","parameters":[{"name":"start_time","in":"query","description":"Specify the start time for the query","allowEmptyValue":true,"schema":{"type":"integer","description":"Specify the start time for the query","format":"int64"}},{"name":"end_time","in":"query","description":"Specify the end time limit for the query","allowEmptyValue":true,"schema":{"type":"integer","description":"Specify the end time limit for the query","format":"int64"}},{"name":"page","in":"query","description":"Page is the page number to return relative to the page 'limit'.","allowEmptyValue":true,"schema":{"type":"integer","description":"Page is the page number to return relative to the page 'limit'.","default":1,"format":"int64","minimum":1}},{"name":"limit","in":"query","description":"Limit is the number of records to return for a page.","allowEmptyValue":true,"schema":{"type":"integer","description":"Limit is the number of records to return for a page.","default":30,"format":"int64","minimum":1,"maximum":1000}},{"name":"workspaces","in":"query","description":"Filter the workspaces to retrieve the cost","allowEmptyValue":true,"schema":{"type":"array","items":{"type":"string"},"description":"Filter the workspaces to retrieve the cost"}},{"name":"org","in":"path","description":"Org is the organisation identifier.","required":true,"schema":{"type":"string","description":"Org is the organisation identifier.","minLength":1,"maxLength":128}},{"name":"project","in":"path","description":"Project is the project identifier.","required":true,"schema":{"type":"string","description":"Project is the project identifier.","minLength":1,"maxLength":128}},{"name":"Harness-Account","in":"header","description":"Account is the internal customer account ID.","allowEmptyValue":true,"required":true,"schema":{"type":"string","description":"Account is the internal customer account ID.","minLength":1,"maxLength":128}}],"responses":{"200":{"description":"OK response.","content":{"application/json":{"schema":{"$ref":"#/components/schemas/ListCostsResponse"}}}},"400":{"description":"BadRequestError: Bad Request response.","content":{"application/vnd.goa.error":{"schema":{"$ref":"#/components/schemas/Error"}}}},"401":{"description":"UnauthorizedError: Unauthorized response.","content":{"application/vnd.goa.error":{"schema":{"$ref":"#/components/schemas/Error"}}}},"403":{"description":"ForbiddenError: Forbidden response.","content":{"application/vnd.goa.error":{"schema":{"$ref":"#/components/schemas/Error"}}}},"404":{"description":"NotFoundError: Not Found response.","content":{"application/vnd.goa.error":{"schema":{"$ref":"#/components/schemas/Error"}}}},"408":{"description":"TimeoutError: Request Timeout response.","content":{"application/vnd.goa.error":{"schema":{"$ref":"#/components/schemas/Error"}}}},"409":{"description":"ConflictError: Conflict response.","content":{"application/vnd.goa.error":{"schema":{"$ref":"#/components/schemas/Error"}}}},"423":{"description":"LockedError: Locked response.","content":{"application/vnd.goa.error":{"schema":{"$ref":"#/components/schemas/Error"}}}},"499":{"description":"ContextCancelledError:  response.","content":{"application/vnd.goa.error":{"schema":{"$ref":"#/components/schemas/Error"}}}},"500":{"description":"InternalServerError: Internal Server Error response.","content":{"application/vnd.goa.error":{"schema":{"$ref":"#/components/schemas/Error"}}}},"502":{"description":"BadGatewayError: Bad Gateway response.","content":{"application/vnd.goa.error":{"schema":{"$ref":"#/components/schemas/Error"}}}}}}}},"components":{"schemas":{"ListCostsResponse":{"type":"object","properties":{"pageSize":{"type":"integer","description":"Current page size","format":"int64"},"totalItems":{"type":"integer","description":"Total items available","format":"int64"},"totalPages":{"type":"integer","description":"Total pages available","format":"int64"},"workspaces":{"type":"array","items":{"$ref":"#/components/schemas/HarnessIacmMonthlycost"},"description":"Representation of all the workspaces, and cost information"}},"required":["totalItems","totalPages","pageSize"]},"HarnessIacmMonthlycost":{"type":"object","properties":{"cost":{"type":"string","description":"The cost associated to the execution metadata"},"created":{"type":"integer","description":"The epoch time for the cost","format":"int64"},"currency":{"type":"string","description":"The currency for the cost"},"workspace_id":{"type":"string"},"workspace_name":{"type":"string"}},"description":"MonthlyCost is the cost of a workspace per month","required":["workspace_id","workspace_name","currency","cost","created"]},"Error":{"type":"object","properties":{"fault":{"type":"boolean","description":"Is the error a server-side fault?"},"id":{"type":"string","description":"ID is a unique identifier for this particular occurrence of the problem."},"message":{"type":"string","description":"Message is a human-readable explanation specific to this occurrence of the problem."},"name":{"type":"string","description":"Name is the name of this class of errors."},"temporary":{"type":"boolean","description":"Is the error temporary?"},"timeout":{"type":"boolean","description":"Is the error a timeout?"}},"required":["name","id","message","temporary","timeout","fault"]}}}}
```