Get your Paragon MLS searches through an API

What you can build on Paragon

• Get hotsheet changes

  Build this

  Runs a Hotsheet search in Paragon Connect for one property class and a number of days back, and reads each listing's hotsheet type, date and comments.

  Takes

  Property class, days back, area or city (optional)

  Returns

  MLS number, address, hotsheet type, change date, status, list price, comments

• Run a saved property search

  Build this

  Runs one of your saved property searches by name and reads the results from the spreadsheet view, with the columns you have set there.

  Takes

  Saved search name

  Returns

  MLS number, status, address, list price, the other columns in your view

• Get a listing's detail view

  Build this

  Opens one listing's Detail View, which combines listing data and public record, and reads its property history, listing documents and upcoming tours and open houses.

  Takes

  MLS number

  Returns

  Address, status, list price, listing information, public record, property history, documents, open houses

• Schedule an open house on your listing

  Build this

  Opens one of your listings in Listing Input and Maintenance and adds an Open House or Tour with its date, times and comments.

  Takes

  MLS number, event type, date, start time, end time, comments (optional)

  Returns

  MLS number, event type, date, start time, end time, saved

Automate Paragon with a workflow

A workflow runs your methods as one process, with nobody at the screen. A schedule or a call from your own system starts it, the steps run in order, and the result arrives in your inbox or in the systems you already use.

• Morning hotsheet for your farm area

  Build this

  Starts

  Every weekday at 7:00

  Step 1

  Get the hotsheet changes for Residential going back 1 day, for each area you name.

  Step 2

  Keep the listings with a status or price change, and new listings.

  Step 3

  Email you the list grouped by area, with MLS number, address, hotsheet type and list price.

• New matches for each buyer's saved search

  Build this

  Starts

  Every day at 8:00

  Step 1

  For each saved property search you name, run it and read the spreadsheet view.

  Step 2

  Keep the listings that were not there on the last run.

  Step 3

  Post them to your CRM's webhook with the saved search name, MLS number, address and list price.

• Weekly check of your listings' history

  Build this

  Starts

  Every Monday at 9:00

  Step 1

  For each MLS number you name, get the listing's detail view.

  Step 2

  Keep the listings whose status, price or property history changed since the last run.

  Step 3

  Email you a short summary per listing, written by an AI step, for your seller updates.

You can run a workflow by hand on every plan, Free included. Schedules and webhook triggers come with the paid plans, from $29 a month.

Once built, one call from your code

Once you have built a method, it is one POST to /v1/runs from your backend, or a tool an AI agent calls over MCP. This is what “Get hotsheet changes” would look like.

curl https://api.fous.com/v1/runs \
  -H "Authorization: Bearer $FOUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "method": "paragonrels.com/get_hotsheet_changes",
    "input": {
      "property_class": "Residential",
      "days_back": 1,
      "area": "Northwind Heights"
    }
  }'

{
  "status": "completed",
  "data": {
    "property_class": "Residential",
    "from": "2026-11-11",
    "changes": [
      {
        "mls_number": "2604187",
        "address": "418 Acme Ridge Rd",
        "hotsheet_type": "Price Change",
        "change_date": "2026-11-11",
        "status": "Active",
        "list_price": 489000,
        "comments": "Reduced, seller motivated"
      }
    ],
    "count": 1
  }
}

An example with invented data, not a ready-made endpoint. The method exists in your organization once you build it, and its name, inputs and fields follow your request.

Paragon’s own options

ICE offers RESO Web API and RETS feeds of Paragon data, but each MLS, board or association decides how its data reaches vendors and issues the credentials, one set per feed such as IDX, VOW or BBO. ICE sends access and field questions to that organization. Agents themselves work in Paragon on their MLS's own address.

Read on November 12, 2026: Paragon Vendor Support, Vendor Client Setup for Paragon's OpenMLS RESO API, Paragon Connect User Documentation.

Signing in to Paragon

Paragon Connect is reached on your MLS's own address and signs you in with a unique Login Name and Password. Your MLS sets how long an idle session lasts before you are logged off. With Fous you sign in once through Paragon's own sign-in with your own account: the login is sealed with AES-256, code and AI agents never see it, and an expired session is signed back in.

Worth knowing

Your security level decides what you see

Each Paragon user has one of 10 security levels. Level 2 can search but not enter listings, level 4 has full Listing Input, and levels 5 and 6 add office and firm access.

Every MLS has its own address and rules

Paragon is reached on a customer-specific URL, and fields, search forms and listing rules are set by each MLS. A method is built for your MLS's address and reads what your account sees there.

A listing saves only when it passes the rules

Listing Input checks each field against the business rules your organization has set. Errors show under the field, and the listing is not saved until all of them are resolved.

Ten hotsheet alerts per agent

An agent can save up to ten hotsheet alerts in Paragon Connect. A scheduled workflow can run as many hotsheet searches as you name and send the results by email or webhook.

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