Developer API Key 🔑

Note: Moonriver (MOVR) on Kusama is a companion network to Moonbeam and provides a permanently incentivized canary network. New code ships to Moonriver first, where it can be tested and verified under real economic conditions. Once proven, the same code ships to Moonbeam on Polkadot.

Polygon PoS (polygonscan.com) is an EVM-compatible environment optimized for high throughput and low transaction fees while Polygon zkEVM (zkevm.polygonscan.com) is an EVM-equivalent ZK rollup designed for security.

The Optimistic Etherscan Developer APIs are provided as a community service and without warranty, so please just use what you need and no more.

The Optimistic Etherscan Developer APIs supports both GET/POST requests and a rate limit of 5 requests/sec.

To use the API service please create a FREE Api-Key Token from within the ClientPortal->MyApiKey area which you can then use with all your api requests.

To use the API service please create a FREE Api-Key Token from within the ClientPortal->MyApiKey (Polygon PoS / Polygon zkEVM) area which you can then use with all your api requests.

You may receive a HTTP 403 error if exceed this limit.

Kindly credit/link back or mention that your app is "Powered by Optimistic Etherscan.com APIs" would be very much appreciated.

Kindly credit/link back or mention that your app is "Powered by Optimistic Etherscan.com (or zkEVM.Polygonscan.com) APIs" would be very much appreciated.

Teck Yuan Lee
Teck Yuan Lee
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