What is Tenderly?
Tenderly is a comprehensive blockchain development platform that provides debugging, transaction simulation, monitoring, and analytics tools. It's essential for building and maintaining reliable smart contracts.
Tenderly API Features
- Transaction Simulation - Simulate transactions before executing on mainnet
- Smart Contract Debugging - Detailed debugging with stack traces
- Transaction Tracing - Full execution flow analysis
- Alerting - Real-time alerts for contract events
- Gas Profiling - Optimize gas costs
- Forks - Create testnet forks of mainnet
Tenderly API Integration
# Install Tenderly SDK
npm install @tenderly/hardhat-tenderly
# Simulate a transaction
const simulation = await tenderly.simulate({
from: "0x...",
to: "0x...",
gas: 21000,
gasPrice: 1000000000,
value: 0,
data: "0x..."
});
Tenderly vs Alternatives
- vs Hardhat - Tenderly adds visualization and historical data
- vs Etherscan - Tenderly provides deeper debugging and simulation
- vs Blocknative - More comprehensive analytics
Pricing
Free Tier
Limited simulations and 30-day data retention.
Pro
$119/month for advanced features and longer retention.
Use Cases
- DeFi Development - Test trading strategies safely
- NFT Platforms - Verify minting logic
- Gas Optimization - Reduce transaction costs
- Incident Response - Debug failed transactions