Supported ChainsArchivedHarmony
Develop Harmony Apps

Explore Harmony, the open blockchain with 2-second finality, low fees, and secure cross-chain bridges for Ethereum apps. Dive into historical data now!

Chain name	Chain ID	Block explorer	Blocktime (seconds)
harmony-mainnet	1666600000	https://explorer.harmony.one/	2

Benefits of Harmony

Ready to Dive In?

Get started with Covalent API in minutes. Sign up for a free API key and start building.

Support

Explore multiple support options! From FAQs for self-help to real-time interactions on Discord

Contact Sales

Interested in our professional or enterprise plans? Contact our sales team to learn more.

Get Started

Resources

Chains

| |