Crossmint provides flexible options for delivering NFTs to recipients and customizing the delivery experience. This guide covers how to specify different types of recipients and how to customize the email notifications they receive.

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Specify Recipients

You can deliver NFTs to three kinds of recipients when using minting APIs:
  • Wallet address: directly specify a wallet address, which could be a user owned wallet (e.g. MetaMask, Phantom, etc.) or a wallet you manage.
  • Email address: in this modality, Crossmint automatically generates a secure MPC backed custodial wallet for the email, and delivers the NFT inside.
  • User identifier: in this modality, Crossmint automatically generates a wallet and associates it with an user ID from your application, and delivers the NFT inside. You must build the interface for users to access this wallet.
Check out the create-wallet endpoint in the API reference if you wish to pre-create a wallet prior to invoking the mint API.

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Send NFT to Wallet Address

To mint an NFT directly to an existing blockchain address, the following recipient format is used: 
<chain>:<address>
For a full list of chain names, refer to the Supported Chains page.

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Examples

  • EVM: polygon:0x123...
  • Solana: solana:3Q5...
  • Aptos: aptos:0x0f07...

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Send NFT to Email Address

To mint an NFT and send it to an email address, the following recipient format is used: 
email:<email_address>:<chain>

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Examples

  • EVM: email:demo@test.com:polygon
  • Solana: email:demo@test.com:solana
Minting to an email address is not currently supported on Aptos.
The NFT can then be accessed by logging into Crossmint with the specified email address:

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Send NFT to a Twitter/X account

To mint an NFT to a Twitter/X account, the following recipient format is used: 
twitter:<twitter_handle>:<chain>

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Examples

  • EVM: twitter:@username:polygon
  • Solana: twitter:@username:solana

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Send NFT by userId

This method allows you to deliver NFTs by directly specifying the user identifier of the recipient in your system. Crossmint will fetch a custodial wallet linked to that user identifier inside your project or, if none exists, create one on the fly. Then the NFT will be delivered there. This way, you don’t need to keep a mapping between your user identifiers and their wallets, just pass your user id and crossmint takes care of the rest.
Enterprise feature. Contact us for access.
Wallets created with the userId option cannot be accessed by logging into Crossmint.com.
To mint an NFT to this type of recipient, follow this format: 
userId:<userIdentifier>:<chain>

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Examples

  • EVM: userId:user1234:polygon
  • Solana: userId:user1234:solana

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Customize Delivery Emails

Email delivery notifications can be customized to align with your branding and communication needs. This section will walk you through how to configure your email template.

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Edit the email template

To adjust the visual presentation and branding of your email notifications:
  1. In the Crossmint Console, click on Settings, and navigate to the Branding tab.
  2. Select Deliver NFT via email from the dropdown options.
  3. Here, you can customize:
    • The logo displayed in the email with your logo. This will default to Crossmint’s logo, unless specified otherwise.
    • The main button’s color . This will default to #04AA6D (Crossmint’s green).
    • The display name textbox to include your brand’s name. This will be empty, by default.
As you make adjustments, you can preview the changes. Once satisfied, save your changes and now they will apply to all future minting email notifications, related to this project. Emails now reflect your project’s brand identity while providing essential delivery information to recipients. Customize email template

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Enable email delivery

You should make sure email delivery notifications are enabled for the customized email to reach your users. For new projects created after Sep 16,2024, the “sendNotification” parameter is set to true by default, meaning mint recipients will automatically receive email notifications. For legacy projects, created before Sep 16 2024, “sendNotification” is set to false until March 14, 2025. If you choose so, you can enable email notifications for legacy projects by explicitly turning the feature on via API or via the Console.

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Console

To send email notifications to NFT recipients:
  1. Navigate to an unminted NFT part of a Collection in the Crossmint Console.
  2. Click on the more options button and select Mint & send NFT.
  3. Ensure the Notify recipient via email option is selected.
  4. Enter the recipient’s email address and press Mint.
The recipient will receive an email delivery notification for their newly minted NFT.

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API

To do the same programmatically, you can configure two new parameters:
  1. sendNotification (boolean): Determines whether the recipient will receive an email notification.
    • Default value: true for new projects created after Sep 16, 2024.
    • For legacy projects (created before Sep 16, 2024), this feature will default to false until March 14, 2025, unless explicitly set to true.
  2. locale (string): Specifies the language for the email content. Default is en-US for English. We support all locales (i.e. “es-ES” for Spanish).

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FAQs