GET: Authorise Buy

Generates a signature that permits a specific wallet to buy a specified amount of a specific token. This endpoint validates that the specified wallet is permitted to perform this action, taking into account allow lists as well as public sale windows. Suitable for use directly from storefronts.

https://api.hypermint.com/v1/nft-contract/:contractId/token/:tokenId/authorise-buy?address=:address&amount=:amount

Get Authorise Buy

Get a Signature which allows a wallet to initiate a buy

Parameters

Query

Parameter	Type	Required	Description
address	string	Y	Wallet address to get authorized
amount	number	Y	Amount of tokens the specified address is permitted to buy

Header

Parameter	Description
HM_ACCESS_KEY	HyperMint Access Key
HM_ACCESS_KEY_SECRET	HyperMint Access Key Secret

Response

Code	Meaning
🟢 200: OK	Responds with an interaction ID which can be used to check the status of the transaction
🟠 404: Not Found	Unable to find token details for the give contract ID
🟠 400: Bad Request	The request sent was malformed or did not pass as a valid authorisation request. The error message will explain the reason as to why the request couldn't be serviced.

interface AuthPresaleResponse {
    totalPrice: number;
    maxPerAddress?: number;
    expires: number;
    signature: string;
}

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