Official sources. A clearer evidence trail.
Find the primary documentation behind the stock, crypto, auction, real-estate, domain, and engineering guides on BidAPI.com.
How to use these references
Start with the market page, then confirm the operation and account requirements in the provider’s own documentation. A marketplace feature is not automatically a public API capability, and a published data standard is not a license to every dataset. These distinctions are reflected in each source description.
Separate documentation from examples
Provider-specific facts in the guides point to primary references. The site’s local JSON records, state-machine suggestions, and hypothetical workload calculations are application-design examples. They do not replace the official contract or establish that BidAPI.com operates a live service.
Primary references
Alpaca market-data FAQ
Feed definitions and the distinction between IEX and SIP data.
Open the official resource ↗Related guide: Stock BidsAlpaca real-time stock data
Stock WebSocket messages and the fields needed to interpret quote observations.
Open the official resource ↗Related guide: Stock BidsCoinbase Exchange channels
The venue’s channel-specific snapshot, update, and book-reconstruction semantics.
Open the official resource ↗Related guide: Crypto BidseBay Offer API
Proxy-bidding operations and the official access requirements for the Offer API.
Open the official resource ↗Related guide: eBay BidsZillow Group MLS listings
Bridge Listing Output and partner-governed access to normalized MLS listing data.
Open the official resource ↗Related guide: Zillow BidsRedfin Data Center downloads
Published housing-market datasets, not a private offer-submission contract.
Open the official resource ↗Related guide: Redfin BidsRESO Web API
A standardized data-exchange approach; the standard itself does not grant access to every dataset.
Open the official resource ↗Related guide: Market DataAfternic domain sales
Marketplace and seller information, including Fast Transfer. This source does not establish a universal public bid API.
Open the official resource ↗Related guide: AfternicSedo API documentation
Official function groups and access information for Sedo integrations.
Open the official resource ↗Related guide: SedoAtom Partnership API guide
Documented discovery, details, holds, releasing holds, and purchase-confirmation workflow.
Open the official resource ↗Related guide: Atom.comSpaceship public API reference
Domain and SellerHub operations, per-operation permissions, and development-status notices.
Open the official resource ↗Related guide: Spaceship.comDropCatch API information
The official entry point for establishing the provider’s available API access.
Open the official resource ↗Related guide: DropcatchICANN Expired Registration Recovery Policy
Restoration requirements for registrations covered by the policy, with its stated scope and exceptions.
Open the official resource ↗Related guide: DropcatchCFPB home-search guidance
Homebuying considerations including financing and inspection contingencies.
Open the official resource ↗Related guide: Home BidsRFC 9110
The HTTP method and idempotency semantics referenced by the architecture and retry guides.
Open the official resource ↗Related guide: Rate LimitsStripe webhook documentation
A concrete provider reference for verification, duplicates, and delivery ordering.
Open the official resource ↗Related guide: WebhooksAmazon API Gateway pricing
An example of API-type billing distinctions, including WebSocket messages and connection minutes.
Open the official resource ↗Related guide: Pricing & Access