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Notis

Review NFT collection metadata after a risk update

Give every NFT risk review the collection facts it needs.

Trigger

Webhook received

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

Action

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.

Why this helps

Auditors lose time switching between compliance notes and blockchain explorers to confirm collection details.

  • Adds contract facts to risk review context
  • Reduces manual explorer lookups
  • Surfaces verification and deployer details quickly

Setup

Build it in a few focused steps.

  • 1Connect 21risk and Alchemy in the Notis portal.
  • 2Create a new automation named for NFT metadata reviews.
  • 3Tell Notis to fetch metadata for the contract addresses included in each risk update and summarize relevant findings.
  • 4Choose a webhook trigger and select a report channel.
  • 5Send one real 21risk update to test the workflow.

Questions about this workflow

What starts this workflow?

An HTTP webhook sent when you want to enrich a 21risk update with NFT contract facts.

Can it verify a collection?

Alchemy can return contract verification status and related metadata when available.

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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