@polymarket/clob-client

Polymarket CLOB Client

Typescript client for the Polymarket CLOB

Usage

const host = process.env.CLOB_API_URL || "http://localhost:8080";
const signer = new ethers.Wallet(`${process.env.PK}`);
const creds: ApiKeyCreds = {
    key: `${process.env.CLOB_API_KEY}`,
    secret: `${process.env.CLOB_SECRET}`,
    passphrase: `${process.env.CLOB_PASS_PHRASE}`,
};

// Initialize the clob client
// NOTE: the signer must be approved on the CTFExchange contract
const clobClient = new ClobClient(host, signer, creds);

// Create a buy order for 100 NO for 0.50c
const order = await clobClient.createOrder({
    tokenId: "52114319501245915516055106046884209969926127482827954674443846427813813222426",
    price: 0.5,
    side: Side.Buy,
    size: 100,
    feeRateBps: "0",
});

// Send it to the server
const resp = await clobClient.postOrder(order);

See examples for more information