Publish quotes | Depth Docs

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Connect a maker

Terminal

npm install @depthhq/maker-sdk

Create the maker client

import { create_depth_maker } from "@depthhq/maker-sdk";

const maker = await create_depth_maker({
  environment: "devnet",
  wallet: makerWallet,
});

Fund and allocate USDC with maker.account.deposit() and maker.account.allocate(). Confirm both receipts before quoting. The owner funds collateral; delegated quote operators cannot move it.

Publish a quote

bidE8 and askE8 are prices with eight decimals. Derive both from a fresh market reference and keep them inside the verified deviation limits. maxCapacity is micro-USDC.

Publish around your reference price

const publication = await maker.quote.publish({
  marketId: "SOL-USD",
  bidE8: bidPriceE8,
  askE8: askPriceE8,
  maxCapacity: 100_000_000n,
  validForSeconds: 60,
});

const { quoteId } = await publication.confirm();

Publishing encrypts the quote curve. Confirmation prepares and activates the quote after its margin reservation passes. Tiered quotes can supply up to four size/price tiers within market policy.

Renew, replace, or cancel

Renew unchanged prices

const quote = maker.quote.get(quoteId);
await quote.renew({ validForSeconds: 60 });

Renewal extends unchanged terms without another pricing computation. To change prices, use maker.quote.replace(quoteId, newTerms). The successor validates before the existing reservation and book entry rotate.

Stop accepting new fills

await quote.cancel();

Cancellation does not close existing inventory. Reclaim terminal quote rent with quote.close() after attached orders finish settling.

Read fills

Subscribe to authorized maker fills

const stop = await maker.fills.subscribe({
  marketId: "SOL-USD",
  onFill: async (fill) => handleFill(fill),
  onError: (error) => showFillError(error),
});

Call stop() when the subscription ends. The SDK checkpoints receipt cursors in IndexedDB in browsers and private files in Node; it does not persist decrypted fills in those checkpoints.