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Open API

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Standard
RESO Data Dictionary fields
Same terms
One price list for every licensee
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Every site gets the same feed
GET/api/reso/PropertySearch the feed, RESO Web API styleLive
GET/api/reso/Property/{ListingKey}One listingLive
GET/api/reso/$metadataThe RESO data model, OData XMLLive
GET/api/reso/LookupEvery lookup value the feed sendsLive
POST/api/v1/listingsEnter a listing onceLive
PATCH/api/v1/listings/{ListingKey}Change a listing, every delivery recomputedLive
GET/api/v1/listings/{ListingKey}A listing with its historyLive
GET/api/v1/listings/{ListingKey}/deliveriesWhere it is liveLive
GET/api/v1/conflictsYour listings at another brokerage's addressLive
POST/api/v1/webhooksSubscribe to listing changesLive
GET/api/v1/webhooksYour subscriptionsLive
DELETE/api/v1/webhooks/{id}UnsubscribeLive
GET/api/v1/statements?month=YYYY-MMYour monthly payout statement, illustrativeLive
GET/api/v1/complianceYour on time vs late entriesLive
POST/api/v1/mls/{mlsId}/syncSync an MLS: pull its changes, push oursLive
GET/api/v1/mls/{mlsId}/syncMLS sync log and watermarkLive
GET/api/v1/listings/{ListingKey}/marksMembers only copies issued and fetchedLive
POST/api/v1/leak-checkName who a leaked copy was issued toLive
Get a sandbox key: ask the operator. Webhooks are signed: X-ListOnce-Signature is an HMAC sha256 of timestamp.body.

Try it

curl "https://listonce.io/api/reso/Property?$top=3" \
  -H "Authorization: Bearer ol_demo_7f3a9c2e5b1d4086"