Sources & data
Late Century Modern only uses permitted channels: official APIs, affiliate and merchant product feeds, manufacturer feeds, and listings entered by our staff with the seller's link. We don't scrape sites against their terms, bypass anti-bot systems or paywalls, or copy seller descriptions wholesale. Every listing links to its original seller.
Each listing shows when we last confirmed it. If a source can't be refreshed, the listing says “Availability may have changed” and drops in the ranking; after 48 hours without confirmation it is removed.
| Source | Type | Access | Status | Basis |
|---|---|---|---|---|
| eBay | marketplace | official-api | ○ Not active — Waiting for eBay Developers Program production keys (EBAY_CLIENT_ID / EBAY_CLIENT_SECRET). | eBay Browse API under the eBay Developers Program license; affiliate links via eBay Partner Network. |
| Etsy | marketplace | official-api | ○ Not active — Waiting for an Etsy API key (ETSY_API_KEY). | Etsy Open API v3 under Etsy's API Terms of Use. |
| Chairish | marketplace | affiliate-feed | ○ Not active — Awaiting Chairish affiliate feed approval (CHAIRISH_FEED_URL). | Affiliate product feed supplied by Chairish's affiliate program. |
| 1stDibs | marketplace | affiliate-feed | ○ Not active — Awaiting 1stDibs affiliate feed (FIRSTDIBS_FEED_URL). | Affiliate/partner product feed supplied by 1stDibs. |
| Auctions & Estate Sales | auction | affiliate-feed | ○ Not active — No auction partner feeds connected yet (AUCTION_FEED_URLS). | Catalog feeds supplied by auction houses or estate-sale platforms under a partner agreement. |
| Local Dealers | dealer | manual | ● Active — Manual entry via Admin → Deals. | Listings entered by LCM staff from dealers who agreed to be listed, always linking to the dealer. |
| Retailers | retailer | merchant-feed | ○ Not active — No retailer feeds connected yet (RETAILER_FEED_URLS). | Merchant product feeds licensed through affiliate networks or supplied directly by the retailer. |
| Manufacturers | manufacturer | merchant-feed | ○ Not active — No manufacturer feeds connected yet (MANUFACTURER_FEED_URLS). | Product feeds supplied by manufacturers or their referral programs. |
| Craigslist | marketplace | none | ○ Not active — Disabled by design — no official API. Manual, admin-reviewed links only. | No permitted automated access. Craigslist terms prohibit scraping. |
| Facebook Marketplace | marketplace | none | ○ Not active — Disabled by design until Meta offers a permitted partner channel. | No public search API; automated collection prohibited by Meta's terms. |
| Sample data | marketplace | demo | ● Active — Showing labeled sample listings until live sources are connected. | Illustrative sample data written by LCM. Not real offers. |
Sample data
Until live feeds are approved, LCM shows clearly marked SAMPLE listings so you can see how comparisons work. Sample listings are written by LCM, use illustrative prices, and are not offers. Their buttons open a live search on the named marketplace so you can check what is really available. Sample listings never appear in email alerts.