---
title: "Create Bids (Get Signing Data)"
method: POST
path: "/ixs/bid/get"
tags: ["Ixs"]
---

# Create Bids (Get Signing Data)

`POST /ixs/bid/get`

Generate bids. This API is used to generate bid data to sign. Once you get signing data from this API, you shall sign them and post to another bid creation API to finish bid generation

## Request body

- IxsBidGetRequest
  - `chain` 'ethereum' | 'abstract' | 'apechain' | 'arbitrum' | 'base' | 'berachain' | 'bsc' | 'polygon' | 'sei' | 'avalanche' | 'monad', required
  - `maker` string, required — Bid maker
  - `offers` IxsOffer[], required — Bids to generate from this maker
    - `quantity` number, required — Bid quantity
    - `unitPrice` IxsUnitPrice, required
      - `currency` string, required — on-chain currency id
      - `raw` string, required — price with on-chain currency in its decimal format. e.g. `0x0000000000000000000000000000000000000000` stands for ETH in ethereum, so to specify 1 ETH (deicmals == 18), you should input `1000000000000000000`
    - `expirationInSeconds` number, required — Expiration time (in seconds). Min: 15 minutes, Max: 1 year
    - `collectionId` string — Collection id which this bid against to. If this is present, means this is a collection offer
    - `assetId` string — Specify asset id for bidding, could be a ERC-721 or ERC-1155. If this is present, means this is an asset(token) offer
    - `attribute` object — Specify an attribute this bid against to which means this is an attribute offer
      - `key` string
      - `value` string

## Response `200`

Successful

---

[API](https://skmtc.net/magiceden/apis/magic-eden-api.md) · [All operations](https://skmtc.net/magiceden/apis/magic-eden-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/magiceden/magic-eden-api/revisions/66028b292693/schema)