---
title: "IDX Website: What It Is, How to Get One, What It Costs"
description: "What an IDX website is, how agents and brokers get MLS approval, what seven IDX vendors and three MLSs charge, and the display rules to follow."
url: "https://dardo.studio/en/blog/idx-website/"
language: "en"
updated: "2026-10-22T11:18:34.596Z"
---

[Blog](https://dardo.studio/en/blog/)

# IDX website: what it is, how agents and brokers get one, and what it costs in 2026

What an IDX website is, how agents get MLS listings on their site, and what IDX vendors and three MLSs charge, from prices read on 22 October 2026.

By [Nicolás Cerón](https://www.linkedin.com/in/nicoceron/) · October 22, 2026

![A night-time records hall of wooden card-catalogue cabinets; a single crimson thread runs from one open drawer across the floor and out a tall window to a lit shop front across the street.](https://dardo.studio/_astro/01M5HKZ2D93Z6HXKRN1MX85Z0B_ZOTW17.webp)

## Key takeaways

- IDX lets an MLS participant show other brokers' listings on websites and apps it controls; each listing broker's consent is presumed unless the broker opts out.
- On 22 October 2026, published IDX plans ran from USD 49 a month (Buying Buddy, SimplyRETS) to USD 189 a month for Diverse Solutions' hosted website, with plugin setup fees from none to USD 99.95.
- MLS rules differ: Stellar MLS and ARMLS require IDX listings to refresh at least every 12 hours, while CRMLS requires at least once every 7 days.
- MLS fees differ too: CRMLS charges nothing for its own IDX links or approved vendors, while ARMLS gives each brokerage five free feeds and charges USD 150 a month for each extra one.
- Since 17 August 2024 offers of compensation can't be shared on the MLS, and CRMLS rule 19.2.21 bars showing them on IDX websites.

## The short answer

An IDX website is a real estate site that shows the local MLS's listings, including other brokers' listings, through the MLS's Internet Data Exchange program. NAR describes IDX as the policy that lets MLS participants "authorize limited electronic display of their listings by other participants" ([NAR](https://www.nar.realtor/about-nar/policies/internet-data-exchange-idx)). You get it through your MLS, with your broker's approval and a signed license, and add it with the MLS's own tools where offered, a vendor, or your own developer.

On 22 October 2026, published IDX plans started at USD 49 a month ([Buying Buddy](https://buyingbuddy.com/pricing.php)) and reached USD 149 to 189 a month for a hosted website with IDX built in ([IDX Broker](https://www.idxbroker.com/compare-idx), [Diverse Solutions](https://www.diversesolutions.com/solutions/full-idx-website-solution/)). IDX plugins charged from no setup fee to USD 99.95, while builders that design the site charge more: [AgentFire](https://agentfire.com/pricing/) sells design packages from USD 800 to 6,500. [Showcase IDX](https://showcaseidx.com/pricing/) says MLS pass-through fees typically add USD 0 to 33 a month.

MLS fees and rules vary as much as vendor prices. [CRMLS](https://go.crmls.org/idx-resources/) charges nothing for its own framed search or for approved vendors; [ARMLS](https://armls.com/data-feeds-vendor-info) gives each brokerage five free feeds, then charges USD 150 a month per feed. Stellar MLS and ARMLS require listings to refresh at least every 12 hours, CRMLS at least every 7 days. Read your own MLS's rules before you pick a vendor or build anything.

## What IDX is, and how it differs from VOW, syndication and an API feed

NAR sets the IDX and VOW policies in its [Handbook on Multiple Listing Policy](https://www.nar.realtor/handbook-on-multiple-listing-policy), whose online chapters are open to NAR members only. Each MLS writes the policy into its own rulebook, and the details differ. The rules in this guide come from three rulebooks read on 22 October 2026: [CRMLS](https://go.crmls.org/wp-content/uploads/2026/08/CRMLS-Rules-Policies-7.10.26-1.pdf) in California (effective 10 July 2026), [Stellar MLS](https://rules.stellarmls.com/category/article-19-stellar-mls-idx-rules-and-regulations) in Florida (updated 27 September 2026) and [ARMLS](https://armls.com/docs/armls-rules-regulations.pdf) in Arizona (updated 28 May 2026).

| Term                         | What it is                                                                         | Who sees the listings                                                                  | How listings get in                                                     |
| ---------------------------- | ---------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------- | ----------------------------------------------------------------------- |
| IDX (Internet Data Exchange) | Display of other brokers' MLS listings on websites and apps a participant controls | Anyone who visits the site                                                             | Each listing broker's consent is presumed; a broker can opt out         |
| VOW (virtual office website) | A brokerage site where consumers search MLS data under the broker's supervision    | Only registered consumers who have a broker relationship and accepted the site's terms | No separate permission from other participants is needed (CRMLS 19.3.2) |
| Syndication                  | A broker sends its own listings to portals and other sites                         | Each portal's visitors                                                                 | The broker's choice, as Stellar MLS puts it                             |
| RESO Web API feed            | The standard API that MLSs use to deliver data to software                         | Depends on the license: IDX, VOW or back office                                        | A data license signed with the MLS                                      |

The practical difference between IDX and VOW is the login. A VOW can carry more fields than IDX, which is why [Stellar MLS](https://www.stellarmls.com/data-delivery) requires VOW and internal-use applications to sit behind a login. Under [CRMLS rules](https://go.crmls.org/wp-content/uploads/2026/08/CRMLS-Rules-Policies-7.10.26-1.pdf) (19.3), a VOW must first establish a broker-consumer relationship, collect a verified email, issue a unique username and password, have each registrant accept Terms of Use, refresh data at least every three days and show no more than 500 current and 500 sold listings per search.

RESO is the standards body, not a data source. Its [Web API page](https://www.reso.org/reso-web-api/) says "RESO does not provide MLS real estate data"; you get credentials from the MLS after agreeing to its data use and licensing policies. RESO adds that NAR requires MLSs owned by REALTOR® associations to offer production-level access through the Web API. The [RESO Data Dictionary](https://www.reso.org/data-dictionary/) standardizes the field names, with more than 1,700 fields and 3,100 lookups.

### The IDX rules that shape the site

These rules decide what every listing page must show, whoever builds it.

| Rule                       | CRMLS                                                                                                    | Stellar MLS                                                                                               | ARMLS                                                                                          |
| -------------------------- | -------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------- |
| Refresh                    | At least once every 7 days (19.2.6)                                                                      | At least once every 12 hours (19.11)                                                                      | At least once every 12 hours (23.2.5)                                                          |
| Broker opt-out             | Blanket or listing by listing; a broker who opts out of all display can't show others' listings (19.2.2) | Blanket or listing by listing; MLS Grid drops the data within 10 business days (19.02)                    | Uncheck "IDX Program Sharing" in the MLS (9, 23.1)                                             |
| Listing credit             | Listing agent and broker, the advertising broker, and how to contact the listing side (19.2.5)           | Listing brokerage, listing number and status next to the property information (19.22)                     | Listing firm and its email or phone, in type no smaller than the median listing text (23.2.12) |
| Your own brokerage         | Brokerage name, and the agent's name if applicable, in readily visible type (19.2.13)                    | Brokerage name and email or phone (19.13)                                                                 | Full brokerage name on every page without scrolling (23.3.7, 23.3.9)                           |
| Statuses                   | Coming Soon, Active, Active Under Contract, Pending, Sold or Leased (19.2.1)                             | Expired, withdrawn and sold only if included in the feed (19.27)                                          | Coming Soon, expired and cancelled may not be shown (23.3.5)                                   |
| Showing only some listings | Objective criteria such as property type, price or area (19.2.12)                                        | Objective criteria, with the disclosure "Some IDX listings have been excluded from this website." (19.09) | Objective criteria (23.2.4)                                                                    |

All three also say:

- **Only the fields the MLS designates.** Confidential fields stay hidden, and Stellar and ARMLS forbid showing the type of listing agreement or the seller's name, phone or email.
- **No editing other brokers' listings.** You may add data from other sources if you label its source.
- **Sellers can opt out of internet display**, of the listing or just the address, and can ask you to switch off automated value estimates and comments on their listing.
- **Disclaimers are required:** the MLS as the source, plus wording each MLS sets, such as a personal, non-commercial use notice (CRMLS, Stellar) or an accuracy disclaimer (ARMLS).
- **Search engines may index IDX pages.** Each rulebook says it does not require you to block indexing.

Stellar's rule 19.32 also bars any wording that suggests your site is the MLS or lets visitors search the MLS itself.

Real estate websites

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## How an agent or broker gets IDX

1. **Be an MLS participant or subscriber.** CRMLS says IDX is available only to participants and subscribers, and its rule 19.1 limits data-feed use to participants actively representing buyers or sellers.
2. **Get your broker's approval.** ARMLS lets agent websites use IDX feeds only with broker approval, and its rule 23.3.2 puts an agent's IDX display under the broker's consent and control.
3. **Choose how listings reach the site:** the MLS's own search links where it offers them (CRMLS has two), an approved vendor, or a data feed for your own developer.
4. **Sign the paperwork.** CRMLS asks for your Matrix ID, office ID and an IDX request form for a vendor, and a data licensing agreement for a direct feed. Stellar's IDX display must belong to a participant who signed the MLS Grid IDX master data license, and its API options need a three-party agreement between broker, vendor and Stellar.
5. **Tell the MLS before you go live.** All three rulebooks require notice and access to your site so the MLS can audit it. CRMLS gives you 10 calendar days to fix a violation once notified.

Approval times come from vendors, not MLSs: [Showcase IDX](https://showcaseidx.com/pricing/) says MLS approval usually takes 1 to 5 business days, and [IDX Broker](https://www.idxbroker.com/compare-idx) says a new MLS it doesn't yet cover typically goes live 2 to 3 weeks after it receives credentials.

### What three MLSs charge for IDX data

| MLS                                                     | No-cost options                                                                               | Published fees                                                                                                                                                                                                                            |
| ------------------------------------------------------- | --------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [CRMLS](https://go.crmls.org/idx-resources/)            | IDX Standard and IDX Plus search links to embed in your site; working with an approved vendor | Direct RESO feed through Trestle: two broker feeds free, then USD 85 a month for an IDX feed or USD 25 for a broker feed. A developer or new vendor pays USD 7 a month per website URL after the first two, plus Trestle's USD 85 a month |
| [ARMLS](https://armls.com/data-feeds-vendor-info)       | Five IDX or back-office feeds per brokerage; a feed of the brokerage's own listings           | USD 150 a month per extra feed; VOW feeds USD 150 a month; vendor products typically USD 1,000 to 1,500 a month                                                                                                                           |
| [Stellar MLS](https://www.stellarmls.com/data-delivery) | None listed for IDX; vendors connect through MLS Grid or Bridge API                           | IDX costs depend on the vendor you choose. VOW and firm internal-use feeds cost USD 450 per office a year, capped at USD 7,500; a vendor product costs USD 7,500 a year, plus USD 2,500 for each additional product                       |

## What an IDX website costs

These are the vendors that published prices on their own sites on 22 October 2026.

| Vendor and plan                                                                                                       | Monthly price                   | Setup                                  | What you get                                                                                       |
| --------------------------------------------------------------------------------------------------------------------- | ------------------------------- | -------------------------------------- | -------------------------------------------------------------------------------------------------- |
| [Buying Buddy](https://buyingbuddy.com/pricing.php): Agent, Team/Office                                               | USD 49; USD 77                  | None, no contract                      | IDX plugin for any site plus CRM; one MLS feed on one website; 1 or 2 users                        |
| [SimplyRETS](https://simplyrets.com/): Basic, Premium, Enterprise                                                     | USD 49; USD 99; USD 199         | USD 99 per MLS connection              | Developer API and WordPress plugin; 30-minute refresh periods                                      |
| [IDX Broker](https://www.idxbroker.com/compare-idx): Core, Engage, Elite                                              | USD 60; USD 99; USD 149         | One-time fee, amount not published     | MLS search for an existing website, with a WordPress plugin (IMPress); Elite adds a hosted website |
| [Diverse Solutions](https://www.diversesolutions.com/faq/): IDX for WordPress Basic, Pro                              | USD 79.95; USD 99.95            | USD 99.95                              | WordPress plugin                                                                                   |
| Diverse Solutions: Mapping IDX                                                                                        | USD 89.95                       | USD 99.95                              | Map-based IDX search                                                                               |
| [Diverse Solutions](https://www.diversesolutions.com/solutions/full-idx-website-solution/): Full IDX Website Solution | USD 189                         | USD 99.95                              | Hosted website with IDX and CRM                                                                    |
| [Showcase IDX](https://showcaseidx.com/pricing/): Essentials, Premium                                                 | From USD 94.95; from USD 124.95 | None                                   | WordPress plugin with listing pages on your domain; 2 or 5 users                                   |
| [iHouseWeb](https://www.ihouseweb.com/pricing): Agent Pro, Team Pro, Office Pro                                       | From USD 149.98; 199.98; 399.98 | Not published                          | Hosted website with IDX search and CRM                                                             |
| [AgentFire](https://agentfire.com/pricing/): Pro, Plus                                                                | USD 165; USD 215                | Design package USD 800, 2,750 or 6,500 | Designed website with IDX included                                                                 |

[iHomefinder](https://www.ihomefinder.com/platform-pricing/) prices its plans on a call; it does publish add-ons, such as a hosted website on its entry plan for USD 50 a month plus USD 500 setup. Realtyna asks you to contact it for prices.

MLS fees come on top. IDX Broker says some MLSs charge data fees set by the local board, Diverse Solutions says some MLSs or associations charge a small setup or monthly fee, and Showcase IDX says it shows any pass-through fee at signup.

### What the total looks like

Using only the published prices above, a year of IDX costs:

- **Plugin on a WordPress site you already have:** Showcase Essentials starts at USD 1,139.40 a year, or up to USD 1,535.40 with a USD 33 monthly pass-through fee.
- **Hosted IDX website:** IDX Broker Elite is USD 1,788 a year plus its setup fee; Diverse Solutions' full website is USD 2,367.95 in the first year with setup.
- **Designed site from a real estate builder:** AgentFire's Custom package on the Pro plan is USD 4,730 in the first year and USD 1,980 a year after.
- **Your own feed:** SimplyRETS Basic is USD 687 in the first year for the data alone. Design, development and hosting are separate.

A custom site has no list price; it depends on templates, search features, integrations and languages. Our [website cost calculator](https://dardo.studio/en/tools/website-cost-calculator/) shows what published prices suggest by market and type of site, and our guide to [website costs in the United States](https://dardo.studio/en/blog/website-cost-united-states/) explains what moves a quote. Budget the MLS feed and the vendor or API fees as running costs on top of the build.

## Framed, plugin or API: three ways to add IDX

| Approach                                                                         | Where listing pages live                                              | Good for                                                               | Trade-offs                                                                                                                  |
| -------------------------------------------------------------------------------- | --------------------------------------------------------------------- | ---------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------- |
| Framed or hosted IDX (MLS link, vendor-hosted pages)                             | Served by the MLS or vendor, embedded in or wrapped around your pages | A fast start on any site builder                                       | CRMLS says of its frameable links: "Features are not customizable."                                                         |
| Plugin or widget (Showcase, IMPress, IDX for WordPress, Buying Buddy)            | Pages generated on your domain, mostly on WordPress                   | Agents and teams already on WordPress                                  | Templates, speed and features follow the plugin; Buying Buddy's indexable pages need WordPress or its PHP class             |
| Your own feed (RESO Web API through MLS Grid, Trestle, Bridge API or SimplyRETS) | Your domain, your templates                                           | Several offices or MLSs, your own search, bilingual pages, CRM routing | You carry the compliance work; CRMLS says so directly for direct feeds, and Stellar asks to see a working application first |

### What Google's documentation says about IDX pages

Vendors make strong SEO claims about framed IDX, some of them saying Google ignores iframes. Google's documentation is more limited, and its [robots meta tag guide](https://developers.google.com/search/docs/crawling-indexing/robots-meta-tag) even defines an `indexifembedded` rule for content embedded through iframes. What Google does document:

- **Indexing isn't guaranteed.** Google says it doesn't guarantee it will crawl, index or serve a page ([How Search works](https://developers.google.com/search/docs/fundamentals/how-search-works)). Thousands of listing pages don't mean thousands of indexed pages.
- **Filtered searches create duplicates.** Google lists the results of sorting and filtering functions as a common source of duplicate content and picks one canonical URL from each set ([canonicalization](https://developers.google.com/search/docs/crawling-indexing/canonicalization)). Point search URLs at a canonical version.
- **The same feed is on every site.** Google's [spam policies](https://developers.google.com/search/docs/essentials/spam-policies) count reproducing content feeds "without providing some type of unique benefit to the user" as scraping. IDX data is licensed, but every IDX site in the MLS shows the same listing text, and the rules stop you editing it. Your neighborhood pages, market notes and agent profiles are what Google's [helpful content guide](https://developers.google.com/search/docs/fundamentals/creating-helpful-content) means when it asks for "original information, reporting, research, or analysis".
- **City pages need substance.** The same spam policies list pages targeted at specific regions or cities that funnel users to one page as doorway abuse, so a page per town with only a search widget is a risk.

### Photo-heavy listing pages

Listing pages are mostly photos. web.dev defines [Largest Contentful Paint](https://web.dev/articles/lcp) as the render time of the largest image, text block or video in the viewport, which on a listing page is often the first photo, and sets a good LCP at 2.5 seconds or less at the 75th percentile of page loads. The metric also counts content inside iframes, so a framed IDX search still shapes your page's score. Load the first photo at once, size images per screen and lazy-load the rest of the gallery. Our [website speed optimization](https://dardo.studio/en/services/website-speed-optimization/) work starts there.

## Rules for what you publish

This is general information, not legal advice. Ask your broker or a lawyer about your market.

### Fair housing

The Fair Housing Act regulations at [24 CFR 100.75](https://www.ecfr.gov/current/title-24/subtitle-B/chapter-I/subchapter-A/part-100/subpart-B/section-100.75) make it unlawful to publish any notice, statement or advertisement for the sale or rental of a dwelling that indicates a preference, limitation or discrimination based on race, color, religion, sex, handicap, familial status or national origin. That covers words, phrases, photographs and symbols, and choosing media or locations for ads in a way that denies part of the market information about housing. The listing broker writes the MLS remarks, but your own pages, neighborhood guides and ad targeting are yours to check.

### Offers of compensation

NAR's practice changes [took effect on 17 August 2024](https://www.nar.realtor/the-facts/homebuyers-what-the-nar-settlement-means): a seller may still offer compensation to a buyer's agent, but the offer cannot be shared on the MLS. NAR's [summary of MLS policy changes](https://cms.nar.realtor/sites/default/files/2024-09/mls-policy-changes-summary-2024-09-08.pdf) adds that MLS data or feeds may not be used to build a platform of compensation offers from multiple brokers. CRMLS goes further for IDX: rule 19.2.21 bars showing any offer of compensation on an IDX site, except potential sharing of compensation on the displaying broker's own exclusive listings.

### Filtering and delayed listings

You may limit an IDX search by objective criteria such as area, price or property type, but NAR's Policy Statement 8.5 forbids filtering out listings by the existence or level of compensation or by brokerage or agent name ([NAR](https://www.nar.realtor/policy-statement-8-5-and-objective-criteria)). Under NAR's [Multiple Listing Options for Sellers](https://www.nar.realtor/about-nar/policies/multiple-listing-options-for-sellers) policy, effective 25 March 2025, a seller can delay marketing through IDX and syndication for a period each MLS sets, so those listings won't reach your site until the delay ends.

## When a builder is enough, and when a custom site is worth it

| Your situation                                                          | IDX builder or plugin                                                                       | Custom site with IDX or API data                                             |
| ----------------------------------------------------------------------- | ------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------- |
| One agent, one MLS, a standard search                                   | Usually enough; published plans start at USD 49 a month                                     | Hard to justify on listings alone                                            |
| A team that needs lead routing and a CRM                                | Plans that include both: Buying Buddy, Showcase Premium, iHomefinder                        | Worth it when routing follows your own rules by office, property or language |
| Several offices or several MLSs                                         | Check extra MLS and seat fees, such as iHomefinder's USD 50 a month per extra MLS for teams | One data layer for all feeds, office pages and per-office routing            |
| A search built around your market (commutes, new developments, rentals) | Limited to the vendor's filters and templates                                               | Your own filters, map and listing template                                   |
| English and Spanish pages                                               | Depends on the vendor's language support                                                    | Separate URLs per language with hreflang                                     |
| Brand and design                                                        | Themes and design packages                                                                  | Full control, within the MLS's display rules                                 |

Bilingual listing pages need care. Each language needs its own URL, linked to the other with hreflang annotations. The MLS rules we read forbid modifying listing content, and CRMLS rule 12.11.1 bars uploading MLS listing records to AI tools beyond a limited use for a specific client, never in bulk. Translate your own content and the interface, and ask your MLS before translating other brokers' remarks. Our notes on [bilingual English and Spanish websites](https://dardo.studio/en/blog/bilingual-website-english-spanish/) cover the rest.

Before you sign with any vendor or developer, ask:

- Who signs the MLS license, and does it stay with your brokerage if you change vendors?
- How often do listings refresh, and how fast do off-market listings disappear?
- Do listing pages live on your domain, and can you set titles, canonical tags and the sitemap?
- Which MLS pass-through fees apply, and what do extra seats, MLSs and websites cost?
- Can you export your leads and saved searches if you leave?
- How are listing credit, disclaimers and seller opt-outs handled on every page?

Our free [RFP template](https://dardo.studio/en/tools/website-rfp-template/) turns those answers into a brief you can send to each provider.

## What to do next

Start with your MLS: read its IDX rules and fee page, and ask your broker which feed you may use. If an off-the-shelf IDX website covers your search, team and languages, it is the cheaper path. If your listings, offices and lead routing have outgrown a template, Dardo builds [custom real estate websites](https://dardo.studio/en/services/real-estate-website-design/) that read listings from your CRM, a feed or, in the US, an MLS through IDX where you have the rights and approvals.

## Common questions

**What is an IDX website?**

An IDX website is a real estate site that displays MLS listings, including other brokers' listings, through the MLS's Internet Data Exchange program. The site must be under the control of an MLS participant, credit the listing brokerage on each listing and follow the MLS's display rules. It can be added through a vendor's plugin, hosted pages or the MLS's own search links.

**What is the difference between IDX and VOW?**

IDX shows listings publicly to anyone who visits the site. A VOW (virtual office website) shows MLS data only to consumers who have first established a broker relationship and registered with a verified email, a unique login and accepted terms of use. A VOW can carry more fields than IDX, so MLSs such as Stellar require it to sit behind a login.

**How much does an IDX website cost?**

On 22 October 2026, published vendor plans started at USD 49 a month (Buying Buddy, SimplyRETS), IDX Broker charged USD 60 to 149 a month and Diverse Solutions USD 189 a month for a hosted website, with setup fees from none to USD 99.95. Some MLSs add their own fees: Showcase IDX says pass-through fees typically run USD 0 to 33 a month. A designed or custom site costs more, and the IDX fees continue after launch.

**Can a real estate agent get IDX without their broker?**

Generally no. IDX belongs to MLS participants, and agents use it under their broker. ARMLS, for example, allows IDX feeds on agent websites only with broker approval, and its rules put an agent's IDX display under the broker's consent and control. Ask your broker which feed you may use before you sign with a vendor.

**Is IDX good for SEO?**

It can help, but the listing text is the same on every IDX site in the MLS and the rules stop you editing it. Google counts reproducing content feeds without unique benefit to users as scraping, lists filtered search results as a common source of duplicate pages and doesn't guarantee indexing. Original neighborhood, market and agent pages are what make an IDX site worth ranking. The MLS rules we read don't require you to block search engines from IDX pages.

**What is the best real estate website builder with IDX?**

It depends on your setup. A WordPress site can add a plugin such as Showcase IDX, IDX for WordPress or IMPress; an agent without a site can use a hosted option such as IDX Broker Elite, Diverse Solutions' full website or iHouseWeb; and AgentFire sells designed sites with IDX included. Compare where listing pages live, the refresh rate, MLS fees and whether you can export your leads.

**Can I get MLS data through the RESO Web API?**

Yes, but from your MLS, not from RESO. RESO sets the standard and says it does not provide MLS data; you get credentials after agreeing to the MLS's data use and licensing policies. CRMLS, for example, delivers direct feeds through Trestle, with two broker feeds free and USD 85 a month for each additional IDX feed.

## Sources & further reading

Sources behind this page, with further detail from the original publishers.

- [National Association of REALTORS®: Internet Data Exchange (IDX)](https://www.nar.realtor/about-nar/policies/internet-data-exchange-idx) · nar.realtor
- [National Association of REALTORS®: Handbook on Multiple Listing Policy](https://www.nar.realtor/handbook-on-multiple-listing-policy) · nar.realtor
- [National Association of REALTORS®: Objective Criteria in IDX and VOW Policies](https://www.nar.realtor/policy-statement-8-5-and-objective-criteria) · nar.realtor
- [National Association of REALTORS®: Multiple Listing Options for Sellers](https://www.nar.realtor/about-nar/policies/multiple-listing-options-for-sellers) · nar.realtor
- [National Association of REALTORS®: Homebuyers, what the NAR settlement means for you](https://www.nar.realtor/the-facts/homebuyers-what-the-nar-settlement-means) · nar.realtor
- [National Association of REALTORS®: Summary of MLS policy changes (PDF)](https://cms.nar.realtor/sites/default/files/2024-09/mls-policy-changes-summary-2024-09-08.pdf) · cms.nar.realtor
- [RESO: RESO Web API](https://www.reso.org/reso-web-api/) · reso.org
- [RESO: Data Dictionary](https://www.reso.org/data-dictionary/) · reso.org
- [CRMLS: Rules and Policies, effective 10 July 2026 (PDF)](https://go.crmls.org/wp-content/uploads/2026/08/CRMLS-Rules-Policies-7.10.26-1.pdf) · go.crmls.org
- [CRMLS: IDX Resources](https://go.crmls.org/idx-resources/) · go.crmls.org
- [Stellar MLS: Article 19, IDX Rules and Regulations](https://rules.stellarmls.com/category/article-19-stellar-mls-idx-rules-and-regulations) · rules.stellarmls.com
- [Stellar MLS: Data Delivery](https://www.stellarmls.com/data-delivery) · stellarmls.com
- [ARMLS: Rules and Regulations, updated 28 May 2026 (PDF)](https://armls.com/docs/armls-rules-regulations.pdf) · armls.com
- [ARMLS: Data Feeds and Vendor Info](https://armls.com/data-feeds-vendor-info) · armls.com
- [Buying Buddy: Pricing](https://buyingbuddy.com/pricing.php) · buyingbuddy.com
- [SimplyRETS: Plans and pricing](https://simplyrets.com/) · simplyrets.com
- [IDX Broker: Compare IDX plans](https://www.idxbroker.com/compare-idx) · idxbroker.com
- [Diverse Solutions: FAQ](https://www.diversesolutions.com/faq/) · diversesolutions.com
- [Diverse Solutions: Full IDX Website Solution](https://www.diversesolutions.com/solutions/full-idx-website-solution/) · diversesolutions.com
- [Showcase IDX: Pricing](https://showcaseidx.com/pricing/) · showcaseidx.com
- [iHouseWeb: Pricing](https://www.ihouseweb.com/pricing) · ihouseweb.com
- [AgentFire: Pricing](https://agentfire.com/pricing/) · agentfire.com
- [iHomefinder: Pricing plans](https://www.ihomefinder.com/platform-pricing/) · ihomefinder.com
- [eCFR: 24 CFR 100.75, discriminatory advertisements, statements and notices](https://www.ecfr.gov/current/title-24/subtitle-B/chapter-I/subchapter-A/part-100/subpart-B/section-100.75) · ecfr.gov
- [Google Search Central: In-depth guide to how Google Search works](https://developers.google.com/search/docs/fundamentals/how-search-works) · developers.google.com
- [Google Search Central: What is canonicalization](https://developers.google.com/search/docs/crawling-indexing/canonicalization) · developers.google.com
- [Google Search Central: Spam policies for Google web search](https://developers.google.com/search/docs/essentials/spam-policies) · developers.google.com
- [Google Search Central: Creating helpful, reliable, people-first content](https://developers.google.com/search/docs/fundamentals/creating-helpful-content) · developers.google.com
- [Google Search Central: Robots meta tag specifications](https://developers.google.com/search/docs/crawling-indexing/robots-meta-tag) · developers.google.com
- [web.dev: Largest Contentful Paint (LCP)](https://web.dev/articles/lcp) · web.dev

[Nicolás Cerón](https://www.linkedin.com/in/nicoceron/)

Nicolás Cerón is the founder of Dardo, a brand, web design and development studio in Bogotá, Colombia.

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## Keep exploring.

- [Service · **Real estate website design and development**](https://dardo.studio/en/services/real-estate-website-design/)

- [Your project · **Start a conversation**](https://dardo.studio/en/contact/)
