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Build an NFT audit scope from a contract

Start an audit with a clear view of the collection contents.

Trigger

Webhook received

Notis starts this workflow when an external tool or custom backend sends an HTTP request.

Action

Get NFTs for Contract

This tool retrieves all nfts for a given contract address. it is designed to return a complete list of nfts from a specific nft collection by accepting parameters such as contractaddress (required), withmetadata (optional), pagesize (optional), and pagekey (optional). the tool is useful for analyzing collections, building nft marketplaces, and creating collection analytics.

Why this helps

Audit planning slows down when teams lack a reliable list of tokens in scope.

  • Defines token scope quickly
  • Supports metadata-aware planning
  • Reduces manual list preparation

Setup

Build it in a few focused steps.

  • 1Connect 21risk and Alchemy in the Notis portal.
  • 2Create an automation for NFT audit scoping.
  • 3Tell Notis to retrieve the collection NFTs for the contract in the webhook and produce a concise scope summary with metadata where useful.
  • 4Choose a webhook trigger and report channel.
  • 5Test with one audit contract.

Questions about this workflow

Can the scope include token metadata?

Yes. Ask for metadata when the audit plan needs more than token IDs.

What if the collection is large?

Alchemy supports pagination, and the report can summarize the retrieved scope while continuing through pages.

When this happens · Trigger

Do this · Action

Supported Triggers and Actions

Notis builds workflows that link 21risk to Alchemy. A trigger fires from one place; an action lands in another.

21risk triggers

Alchemy actions

Recurring trigger

Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.

TriggerScheduled

Get NFT Contract Metadata

This tool retrieves metadata for a given nft smart contract. essential for obtaining basic nft collection details such as contract name, symbol, total supply, token type (erc721 vs erc1155), contract deployer address, deployed block number, opensea metadata, and contract verification status.

ActionInstant

Webhook trigger

Notis starts this workflow when an external tool or custom backend sends an HTTP request.

TriggerInstant

Get NFT Sales

This tool will retrieve nft sales data across various marketplaces. it allows users to query historical nft sales data with filtering options such as fromblock, toblock, order, marketplace, and limit in order to track nft sales activity, analyze historical data, monitor specific collections, and get real-time updates on nft transactions.

ActionInstant

Get NFTs for Contract

This tool retrieves all nfts for a given contract address. it is designed to return a complete list of nfts from a specific nft collection by accepting parameters such as contractaddress (required), withmetadata (optional), pagesize (optional), and pagekey (optional). the tool is useful for analyzing collections, building nft marketplaces, and creating collection analytics.

ActionInstant

Get NFT Owners

This tool retrieves the owner(s) for a specific nft token, supporting both erc721 and erc1155 tokens on ethereum and several layer 2 chains such as polygon, arbitrum, optimism, and base. it requires the contract address and tokenid, and returns a list of owner addresses along with an optional pagination key for further results.

ActionInstant

Get Token Balances

This tool retrieves erc20 token balances for a specified ethereum address. it can either return balances for all tokens an address has ever interacted with or for a specific set of token contract addresses. it is useful for checking token balances for wallets, monitoring erc20 token holdings, portfolio tracking, and defi applications.

ActionInstant

Get Token Metadata

This tool retrieves metadata for a given token contract address, including the token's name, symbol, decimals, and logo url if available. it is essential for applications that need to display token information, handle token transfers, or manage token listings.

ActionInstant

Get Transaction Count

This tool retrieves the number of transactions sent from a specific address (also known as the nonce). it uses the eth gettransactioncount endpoint to return the transaction count for an address at a specified block tag (latest, pending, earliest, or a hex block number), which is essential for determining the nonce for subsequent transactions.

ActionInstant

Connect any two apps with Notis in the middle.

21risk and Alchemy, or any other combination from 1,000+ integrations.

When this happens · Trigger

Do this · Action

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