> ## Documentation Index
> Fetch the complete documentation index at: https://www.bloxs.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Delete a concept commercial rent contract

> Delete an existing concept commercial rent contract.

## OpenAPI

````json DELETE /api/v1/contracts/conceptcommercialrent
{
  "openapi": "3.0.4",
  "info": {
    "title": "Concept SalesContracts V1",
    "description": "Welcome to BETA version of the new Sales Concept Contracts API - intended for client public testing before the launch of the final version. During this BETA phase, we'll be improving the API based on specific client's feedbacks.",
    "version": "v1"
  },
  "security": [
    {}
  ],
  "tags": [
    {
      "name": "CommercialRentContracts"
    },
    {
      "name": "Concept CommercialRent"
    },
    {
      "name": "Concept PrivateRent"
    },
    {
      "name": "GeneralSalesContracts"
    },
    {
      "name": "Metadata"
    },
    {
      "name": "PrivateRentContracts"
    },
    {
      "name": "SupplierContracts"
    }
  ],
  "paths": {
    "/api/v1/contracts/conceptcommercialrent": {
      "delete": {
        "tags": [
          "Concept CommercialRent"
        ],
        "summary": "Delete a concept commercial rent contract",
        "description": "Delete an existing concept commercial rent contract.",
        "operationId": "DeleteConceptCommercialRentContract",
        "parameters": [
          {
            "name": "externalIdentifier",
            "in": "query",
            "description": "The external API identifier of the model.",
            "required": true,
            "schema": {
              "type": "string"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "A concept commercial rent contract was deleted"
          },
          "400": {
            "description": "The concept commercial rent contract data has validation issues",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/APIErrorMessageModel"
                }
              }
            }
          }
        },
        "x-d360-narrative-url": "<h3 id=\"delete-a-concept-commercial-rent-contract\">Delete a concept commercial rent contract</h3><p>Deletes an existing concept commercial lease contract by its externalIdentifier. </p><p>A developer calls this endpoint to remove a draft lease that will not be finalized, for example because the prospect did not agree to the terms. </p><p>This endpoint can only be used before the concept contract is finalized in the Bloxs application; once finalized, the contract can no longer be deleted through this endpoint.</p><hr class=\"hr-divider1\"><h4 id=\"request-fields\">Request Fields</h4><div data-type=\"table-content\"><table width=\"1056\" class=\"editor360-table  fit-width\" borderstyle=\"solid\" bordercollapse=\"collapse\" style=\"max-width: 1056px; width: 1056px;\"><colgroup><col style=\"width: 264px;\"><col style=\"width: 264px;\"><col style=\"width: 264px;\"><col style=\"width: 264px;\"></colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"264\"><p>Field</p></th><th colspan=\"1\" rowspan=\"1\" colwidth=\"264\"><p>Type</p></th><th colspan=\"1\" rowspan=\"1\" colwidth=\"264\"><p>Required</p></th><th colspan=\"1\" rowspan=\"1\" colwidth=\"264\"><p>Description</p></th></tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"264\"><p>externalIdentifier</p></td><td colspan=\"1\" rowspan=\"1\" colwidth=\"264\"><p>string</p></td><td colspan=\"1\" rowspan=\"1\" colwidth=\"264\"><p>Yes</p></td><td colspan=\"1\" rowspan=\"1\" colwidth=\"264\"><p>Unique identifier of the concept commercial lease contract in the requesting system, passed as a query parameter. Bloxs does not generate this value.</p></td></tr></tbody></table></div><hr class=\"hr-divider1\"><h4 id=\"response-fields\">Response Fields</h4><p>The specification defines no response body for this endpoint. A successful call returns an empty 200 response.</p>"
      }
    }
  },
  "components": {
    "schemas": {
      "APIErrorMessageModel": {
        "type": "object",
        "properties": {
          "type": {
            "type": "string",
            "nullable": true
          },
          "title": {
            "type": "string",
            "nullable": true
          },
          "traceId": {
            "type": "string",
            "nullable": true
          },
          "status": {
            "type": "integer",
            "format": "int32"
          },
          "errors": {
            "type": "object",
            "additionalProperties": {
              "type": "array",
              "items": {
                "type": "string"
              },
              "nullable": true
            },
            "nullable": true
          }
        },
        "additionalProperties": false
      }
    }
  }
}
````