Create open order

GET https://api.x2y2.org/api/orders/add

This endpoint is used to:

• Create a new listing
• Change price of an existing listing
• Create a new offer or collection offer

Follow the Generate order payload guide to generate content of the order parameter.

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Important

Before creating offers, the owner must approve the item's transfer on the X2Y2 ERC-721 Delegate or X2Y2 ERC-1155 Delegate with the setApprovalForAll function on the item's contract.

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Price limitation

Order price must be no less than 0.0001 ETH and not more than 100000000 ETH.