# space.market

> Marketplace with the Cheapest Blockspace

space.market is a data property of Blockspace Co. (https://blockspace.holdings/). Every page cites its sources; a figure is always given with its "as of".

## Pages

- [space.market](https://space.market/): Marketplace with the Cheapest Blockspace: every blockspace token for sale, across every market, cheapest first: Ordinals, Counters, Runes, BRC-20, Alkanes and Counterparty, rebuilt every 10 minutes from the block.space buy board.
- [The next block](https://space.market/next-block/): The primary market for Bitcoin blockspace: what a kilobyte in the next block costs, from Blockspace Co.'s own node.

## Data

- [listings.json](https://space.market/data/listings.json): what the board shows, as JSON: the 20 cheapest listings across every family, then per family (Ordinals, Counters, Runes, BRC-20, Alkanes, Counterparty) its count, the venues it covers and when each was read, and its 500 cheapest listings (price in sats, quantity, unit price, venue, link, on-chain check), all with an "as_of" (ISO 8601 UTC). Rewritten every 10 minutes. Schema "space.market/listings/1"; a null means "not measured".
- [now.json](https://space.market/data/now.json): the primary market, what /next-block/ shows: the cost of 1 kB (1,000 vB) at the fee estimator's 2-, 3- and 6-block targets, the node's block template, the mempool and the last 6 blocks, with the tip height. Schema "space.market/now/1".
- [The buy board API](https://block.space/buy/api/board): the source of the listings (GET, JSON).

## Part of Blockspace Co.

- [Blockspace Co.](https://blockspace.holdings/): the holding company and every property.
- [space.market on blockspace.wiki](https://blockspace.wiki/projects/space.market/): its page in the estate's knowledge hub, with its glossary and FAQ.
- [blockspace.markets](https://blockspace.markets/): Blockspace for sale, priced per kilobyte.
- [block.space](https://block.space/): The byte unit of value. The Bitcoin Blockspace Meter: how much of Bitcoin's blockspace is attributed to tokens, token by token, byte by byte.
- [counters.gallery](https://counters.gallery/): Bitcoin Counters explorer: numbered inscriptions in Bitcoin witness data, owned through Counterparty assets.
- Scribbit: scribble it (status: soon; not linked until it is live)

## Machine surfaces

- [Manifest](https://space.market/.well-known/blockspace.json): this host and its surfaces as JSON; the estate's master copy is https://blockspace.holdings/.well-known/blockspace.json.
- [Sitemap](https://space.market/sitemap.xml)