Alchemy API
Blockchain · Development Tools
Alchemy is a blockchain developer platform providing managed node infrastructure, enhanced blockchain APIs, and developer tools for building Web3 applications on Ethereum and other major blockchains. Founded in 2017 and backed by leading Silicon Valley investors, Alchemy powers some of the most prominent DeFi protocols, NFT marketplaces, and Web3 applications globally.
Alchemy API Highlights
Alchemy API is verified for developer integrations in Nigeria and across African markets, providing documented endpoints, sandbox testing, and developer support.
API Key
Free: 300M compute units/month. Higher on paid plans.
Nigeria
Ghana
Kenya
AWSAlchemy API is best for:
Web3 developers needing reliable, high-performance blockchain node access with enhanced APIs, NFT and token data endpoints, and developer tooling for building on Ethereum and other EVM chains.
- Free:300M compute units/month
- Paid from $49/month
- Supports Ethereum, Polygon, Solana, Arbitrum, Base, Optimism and more
Alchemy API Core Features & Capabilities
Alchemy API Supported Webhook Events
Webhooks supported (Transaction Webhooks). Check official documentation for endpoint setup.
Required Access Documents for Alchemy API
- Alchemy AccountRequiredRegister at alchemy.com. Free plan available no credit card required. Create an app for your target chain to receive an API key (HTTP and WebSocket endpoints). Alchemy SDK installation via npm.
Different Alchemy API use cases
- Nigerian DeFi App Ethereum Backend:Use Alchemy as the Ethereum node backend for a Nigerian DeFi application handling smart contract calls, transaction submissions, event subscriptions, and blockchain data queries with high reliability and the enhanced APIs that simplify complex blockchain data retrieval.
- NFT Marketplace Data for Nigerian Platform:Use Alchemy NFT API to fetch NFT metadata, ownership history, and collection data for an NFT marketplace built by a Nigerian developer eliminating the need to build custom indexing infrastructure for NFT data.
- Transaction Monitoring with Alchemy Notify:Use Alchemy Notify webhooks to monitor blockchain addresses for a Nigerian crypto application receiving real-time webhook events when a user's wallet receives or sends a transaction, without polling the blockchain.
- Multichain dApp for Nigerian Web3 Developer:Use Alchemy to power a multichain Nigerian dApp with support for Ethereum, Polygon (lower fees for Nigerian users), Arbitrum, and Base from a single developer account and consistent API interface.