ListOnce

Built

What has been built and when, from the code history. Times in US Eastern.

Milestones
32
Fixes
58
Hours
24.3
  1. Mon, Oct 26 · morningNews

    Open Real Estate announced

    The founders publish their model: enter a listing once, free to join, listing brokers own their listings.

  2. Mon, Oct 26 · 2:42 PM ET4 fixes

    First working demo

    Enter a listing once, record the seller's choice, and watch it reach the MLS, member brokerages, home search sites and data feeds.

  3. Mon, Oct 26 · 4:10 PM ET9 fixes

    Five consoles and a read API

    Views for agents, brokerages, MLSs, data licensees and the operator, a seller approval page and a RESO style read API.

  4. Mon, Oct 26 · 5:58 PM ET1 fix

    Any brokerage can join

    A join page, an onboarding pipeline and five ways for a brokerage to connect, from its own system to a provided screen.

  5. Mon, Oct 26 · 7:32 PM ET

    Members only visibility

    Shown to agents at member brokerages and never publicly marketed; the MLS, sites and feeds hold it back.

  6. Mon, Oct 26 · 7:34 PM ET

    One business day rule

    Each listing records its agreement date and shows whether it reached the platform on time.

  7. Mon, Oct 26 · 7:35 PM ET

    Proceeds shared per listing

    License fees cover running costs and the rest is split equally per listing among participating brokerages.

  8. Mon, Oct 26 · 7:35 PM ET2 fixes

    Enter at the local MLS

    A listing entered at the MLS passes on to the platform, the founders' second way in.

  9. Mon, Oct 26 · 8:13 PM ET4 fixes

    Real backend live

    A database, a write API for listings, signed webhooks with retries, and API keys stored only as hashes.

  10. Mon, Oct 26 · 8:54 PM ET1 fix

    Named ListOnce

    The product takes its name and its own domain.

  11. Mon, Oct 26 · 9:20 PM ET

    Tested at a million listings

    The feed and write path measured at one million listings, with a sizing plan.

  12. Mon, Oct 26 · 9:21 PM ET3 fixes

    Statements and compliance

    Each brokerage's monthly payout statement and on time entry report, on screen and through the API.

  13. Mon, Oct 26 · 9:44 PM ET1 fix

    Coming soon goes live on its date

    A coming soon listing goes public on its date in its own market, with no one pressing a button.

  14. Mon, Oct 26 · 10:20 PM ET

    Two-way MLS sync

    Listings go to the MLS as RESO records and changes made at the MLS come back, every five minutes, against a demo MLS.

  15. Mon, Oct 26 · 10:20 PM ET

    Signed reZEN connector

    Listings entered in reZEN arrive signed and are created or updated exactly once (sample connection).

  16. Mon, Oct 26 · 10:20 PM ET1 fix

    Leak tracing for members only

    Every member's copy of a members only listing carries its own marks, so a leaked copy names where it came from.

  17. Mon, Oct 26 · 10:34 PM ET1 fix

    RESO Web API readiness

    A published data model, lookups and the standard query options a RESO client expects. Not yet certified.

  18. Mon, Oct 26 · 10:34 PM ET1 fix

    Developer docs

    Guides and an OpenAPI 3.1 document for the engineers building each founder's single input.

  19. Mon, Oct 26 · 10:36 PM ET2 fixes

    Founder sandboxes

    Ready for each founder's engineers: a private key and test listings kept apart from real ones.

  20. Mon, Oct 26 · 10:56 PM ET6 fixes

    Sign in and Join free

    Brokerages apply to join free, the operator approves them, and their people sign in by emailed link to list on the real database.

  21. Tue, Oct 27 · 12:11 AM ET

    Members export everything

    A brokerage downloads every listing it owns, with where it went and its full history, at any time.

  22. Tue, Oct 27 · 1:14 AM ET

    RESO Add/Edit

    Listings can be entered and changed in RESO Data Dictionary names, under the same owner checks as the rest of the API.

  23. Tue, Oct 27 · 1:32 AM ET6 fixes

    Listing photos

    Up to 25 photos per listing, stored privately and served by signed links with location data removed, and offered as RESO Media.

  24. Tue, Oct 27 · 2:24 AM ET16 fixes

    Security build

    Two-step sign-in required for admins, API keys that rotate without downtime, deletion tools, security headers on every page and a public Trust page.

  25. Tue, Oct 27 · 2:45 PM ET

    Founders dashboard

    Each founder sees its own listings, delivery health, on time rate and payout share beside an anonymized network average.

  26. Tue, Oct 27 · 2:45 PM ET

    Public status page

    Checks every five minutes, 90 days of uptime and incidents posted by the operator, open to anyone.

  27. Tue, Oct 27 · 2:47 PM ET

    Duplicate address checks

    One active listing per address per brokerage, and two brokerages at one address flagged to both for the operator to decide.

  28. Tue, Oct 27 · 2:48 PM ET

    Listing alerts

    Email and Slack when a listing is held, sent back by an MLS, or close to its entry deadline.

  29. Tue, Oct 27 · 2:50 PM ET

    Listings widget for members

    A brokerage shows its public listings on its own website with one line of code.

  30. Tue, Oct 27 · 2:52 PM ET

    Proposed governance

    Versioned rules, member proposals and one vote per brokerage, as a working proposal for the members to shape.

  31. Tue, Oct 27 · 2:53 PM ET

    Listing from a document

    A listing sheet or pasted text fills the form, each field marked for the agent to check, with a fair housing wording review.

  32. Tue, Oct 27 · 2:56 PM ET

    MLS draft

    For an MLS not yet connected, its input form arrives pre-filled from the listing, ready to enter.

  33. Tue, Oct 27 · 2:59 PM ET

    List from a phone

    Step by step listing with the camera, photos shrunk before upload and uploads that resume on a weak signal.