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How to Bulk Upload NFTs

OpenSea has created an easy-to-use NFT bulk upload feature based on HapPhi. In this post, the developers used Google Cloud Storage to upload NFTs to OpenSea. After creating an OpenSea API key, downloading the OpenSea Node Package, and importing their NFT files, the developers imported their GCS files into MongoDB and exported them as JSON files without the “nft” prefix. Finally, the JSON file was sent to OpenSea as part of the bulk upload process using the “upload” command.

Written by
June 15, 2022

You don't need to build this functionality into your product; HapPhi has already done so.

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Nonfungible Tokens (NFTs) were minted in excess of $200 million in just one week in October, with their adoption skyrocketing. Every day, fresh users are joining the ecosystem, opening up new opportunities for both developers and investors. Because of this growth, many companies have launched services to help users manage their digital assets across multiple platforms. OpenSea has become one of the most popular marketplaces for NFTs, with over one million total transactions and over 200,000 registered customers. You can now bulk upload your current tokens to OpenSea as soon as you add NFT support to your own project. In this post, we'll walk you through the process of bulk uploading NFTs to OpenSea with step-by-step instructions.

Haphaph builds this into the product, so you don't have to build it yourself.

You must create an OpenSea API key to use the API.

You must first create an OpenSea API Key to authenticate with the OpenSea platform and access and modify data. Once you have logged in to OpenSea, go to the “My Account” page to find the “API Key” section. You can create a new API key by clicking the “New API Key” button. You must then choose whether you wish to use a “Read-Only” or “Read-Write” key. The two types of keys serve different purposes. If you're using OpenSea as a third-party service to manage your NFT collection and do not want to modify or create data on the platform, a “Read-Only” key is the best option. If you want to read and write data to the platform with a key, a Read/Write key is the right choice. With this key, you can manage your own NFT collection.

Prior to beginning

Prior to beginning the import process, you must have the following information prepared: - A project ID - A project description - An OpenSea API key You should also familiarize yourself with the OpenSea deposit and withdrawal fees, so that you can understand how they will impact your tokens once they are ready to trade on the platform. You may alter your pricing at any time after uploading your assets.

You can install the OpenSea Node package.

The OpenSea Node Package, which is included in this package and makes it easy to bulk upload NFTs as well as maintain your own assets in your workflow, can be installed. After installation, you can use a few new functions. You can use the “addAsset” function to bulk upload NFTs. Before you can employ this function, you must first establish a few variables. To initiate it, you must set your OpenSea API key as a global variable. You can accomplish this by placing a function at the top of your code: To set your destination, you must first set your destination address. You can establish this address using the “setDestination” function in the OpenSea Node Package.

Importing your NFT files into Google Cloud Storage (GCS) is step 1.

The first step in the process is to upload your NFT asset files to a cloud storage service such as Google Cloud Storage. You might want to do this for a few good reasons. For example, it might be difficult to download your NFT files from your application or database. Or, you might want to back up your NFT data in case the original files are lost or corrupted. Regardless of your reasoning, uploading your NFTs to a cloud storage provider such as GCS is an excellent first step in the bulk upload procedure. After you upload your NFT files to GCS, you must create a bucket and record its “bucket name” and “bucket path”. You will want to use these two variables to initiate the upload process. The bucket path will look something like: “nft://nft-files-bucket/file-name-1”.

In this step, you import your GCS file into MongoDB.

The first step in getting your GCS files imported into MongoDB is to find out how to do it. Importing files into the database is different for each database and can be tricky. Fortunately, there are tutorials on how to import GCS files into MongoDB as well as other databases. When importing your data, select the “GCS” option. You will then be asked to identify the bucket path and file path. After you've finished importing your files, you should note the host, port, database, and collection where you imported them. You'll use these values when creating bulk upload requests. To make sure your database is set up correctly, you should ensure that it looks like the example below.

In step 3, export your data from MongoDB and import it to OpenSea.

Now that you have formatted your NFTs with MongoDB, it is time to export them and create an upload request with OpenSea. To export your NFT data from MongoDB to a JSON document, use the “export” command. You will then need to remove the “nft” prefix from every field in the JSON document, creating a document like this: By doing this, you are ready to import your assets to OpenSea. You may send your data file to your OpenSea “destination” using the “upload” command. After OpenSea verifies your items, you will be able to trade and display them on their market!

A brief description.

Developers had to create an OpenSea API key, install the OpenSea Node Package, and import their NFT files to Google Cloud Storage to bulk upload NFTs to OpenSea. First, they imported their GCS files to MongoDB and exported them to a JSON file without the “nft” prefix. Then, they sent the JSON file to OpenSea using the “upload” command to finish the bulk upload process.

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