The complete market directory

Every market has
its own starting point.

Explore the data, access requirements, and implementation patterns for 11 markets. Each guide distinguishes documented provider capabilities from the workflow your application must build.

Bid API market guide comparison
MarketPrimary objectStart by checking
Stock BidsBid–ask quoteFeed coverage + freshness
Crypto BidsVenue order bookSnapshots + updates
eBay BidsProxy bidBuyer authorization
Zillow BidsProperty + listing dataApproved data access
Redfin BidsHousing-market datasetPeriod + geography
AfternicDomain marketplace listingAccess + transaction state
SedoDomain + portfolio recordGranted API function group
Atom.comMarketplace domainDiscover → hold → confirm
Spaceship.comDomain + SellerHub listingScoped operations
DropcatchBackorder + lifecycle eventDeadlines + reconciliation
Home BidsVersioned purchase offerApproval + communication
Domains

Afternic

Map Afternic domain listings and purchase workflows without assuming an undocumented buyer-side bidding API.

Explore Afternic
Domains

Sedo

Explore Sedo’s official API documentation, access groups, domain search, portfolio management, and listing formats.

Explore Sedo
Domains

Atom.com

Understand Atom Partnership APIs, domain discovery, holds, purchases, and separate seller and registrar capabilities.

Explore Atom.com
Auctions

Dropcatch

Map domain expiration, backorders, capture outcomes, auctions, and the final handoff using official provider routes.

Explore Dropcatch
Real estate

Home Bids

Design residential offer workflows around document versions, approvals, conditions, deadlines, and confirmed responses.

Explore Home Bids
Your next connection starts here

Choose a market. Make the next step clear.

Find the official route, understand the data, and build a workflow you can explain.