The Chimney Estimate Endpoint provides a home valuation Automated Valuation Model (AVM) for estimating the value of a property. This AVM model specializes in providing accurate valuations based on the property's address. The API requires the following input:

Please be sure to follow our branding requirements when using the Chimney Estimate


The endpoint for accessing the Chimney Estimate AVM API is:


Request Body

The API request should include the following in the request body:

  • Content-Type: application/json

The request body should include the following field:

  • address (string, required): The address of the property for which the valuation is needed.


  "address": "123 Main St, Anytown, NY 12345"


The API provides a sample response in the following structure:

  "Chimney Estimate": {
    "eventDate": "2023-05-24",
    "amount": {
      "scr": 98,
      "value": 741016,
      "high": 755836,
      "low": 726195,
      "valueRange": 14820
    "AVMChange": {
      "avmlastmonthvalue": 737918,
      "avmamountchange": 3098,
      "avmpercentchange": 0
    "conditionRange": {
      "avmpoorlow": 689885.25,
      "avmpoorhigh": 718044.2,
      "avmgoodlow": 726195,
      "avmgoodhigh": 755836,
      "avmexcellentlow": 744349.87,
      "avmexcellenthigh": 774731.9,

The response contains various details regarding the estimated value and condition of the property based on the provided address.

Example Usage

Here's an example of how to make a POST request to the Chimney Estimate AVM API endpoint:

curl --request POST \
  --url \
  --header 'Content-Type: application/json' \
  --data '{
    "address": "123 Main St, Anytown, NY 12345"

Replace the "address" value with the actual address for which you want to obtain the valuation.


The Chimney Estimate AVM API allows you to estimate the value of a property based on its address. By making a POST request to the /avm endpoint and providing the required address information, you can receive a detailed response with the estimated value, range, and condition scores of the property.