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Security & Simulation API

by Noves
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Starting at $50.00
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Empower your blockchain applications with Noves Foresight, a robust API for simulating, describing, and securing unsigned transactions on any EVM network. This add-on enables developers to preview transaction outcomes, generate human-readable explanations, and detect risks before signing - ideal for wallets, dApps, security tools, and compliance platforms. Transform vague approvals into clear insights like "You're about to swap 1 ETH for 2827 USDC and pay 0.001 ETH in fees" or flag dangers such as "Interacting with a malicious contract — proceed with caution."

Why Choose Noves Foresight?

→ Pre-Sign Transaction Intelligence: Simulate unsigned transactions or ERC-4337 userOps to forecast exact outcomes, including asset transfers (sent/received), gas estimates, and enriched classifications. Avoid surprises by understanding complex interactions like multi-calls, DeFi actions, or bridges in advance.

→ Advanced Security Screening: The /screen endpoints aggregate data from multiple sources (sanctions lists, malicious contract databases, and more) to identify risks like OFAC-sanctioned addresses, bad actors, fee-on-transfer tokens, or malicious domains. Receive clear warnings for tokens with admin privileges or blacklisted URLs, enhancing user safety.

→ Broad EVM Compatibility: Supports all major EVM chains, including Ethereum Mainnet, Polygon, Optimism, Arbitrum, Binance Smart Chain (BSC), Avalanche, Base, Ink, HyperEVM and many others. Customize simulations with state overrides for advanced testing against specific block states.

→ Developer-Centric Capabilities:

⋅ Describe & Preview Modes: Get concise English descriptions (/describe) or full classified previews (/preview) with tagged transfers and actions. ERC-4337 variants handle account abstraction natively, decoding userOps into user-friendly outputs.

⋅ Risk Detection Suite: Screens for malicious contracts, bad actors, sanctioned entities, and URL threats. Optional origin URL screening checks against blacklists for phishing prevention.

⋅ Efficiency & Scalability: Process transactions at any block/timestamp with high reliability (99.99% uptime). Ideal for high-volume apps, with support for state customizations in previews.

→ Use Cases

⋅ Wallets & Security: Provide pre-sign warnings, risk alerts, and simulations to prevent scams and improve UX in mobile/desktop wallets.

⋅ DeFi & dApps: Validate complex actions like staking, borrowing, or NFT trades before execution, reducing failed TXs and user errors.

⋅ Compliance & Auditing: Screen for sanctions and malicious entities to meet regulatory needs; integrate with tax tools for proactive reporting.

Getting Started

Your access URL will include an apiKey that you use to authenticate.

You can also send that apiKey in a header for easier authentication.

All of our endpoints are extensively documented here:

https://docs.noves.fi/reference/get_evm-chains-1

Supported Chains

Abstract
Arbitrum
Arbitrum Nova
Avalanche
Base
Berachain
Blast
BNB Smart Chain
Celo
Ethereum logo
Ethereum
Fantom
Gnosis
Hemi
Hyperliquid
Ink
Linea
Lisk
Mantle
Morph
Optimistic Ethereum
Polygon
Polygon zkEVM
Scroll
Unichain
World Chain
zkSync
Zora

Published on Aug 26, 2024

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Plans & features

Starter - $50/month
  • Starter - $50/month
  • Developer - $200/month
  • Business - $500/month
Enterprise Sales
1 request / second
Send up to 1 API request per second.
75,000 tx previews per month.
Preview up to 75,000 transactions per month.
All chains supported
Preview transactions across 90+ chains.