Polygon zkEVM Testnet support ends April 6 - migrate to Sepolia

Polygon zkEVM Cardona is now supported on Alchemy!

We encourage developers to migrate to Cardona as the sustainable path forward for any testing and development needs, as Polygon will stop supporting the zkEVM testnet on April 6th.

We are planning on keeping our testnet nodes for Polygon zkEVM running until this date. However, in the past we have seen extreme instability in networks leading up to deprecation.

While we will do our best to keep it running, we cannot guarantee that this network will be usable until April 6th. It is in your best interest to migrate to Cardona immediately.

If you try to send requests to these nodes after Alchemy support ends, your requests will fail with a DNS resolution error.

All features supported by Alchemy on the zkEVM testnet are also supported on Cardona.

Required steps to migrate to cardona

Follow these 4 steps to migrate to the Cardona testnet:

1. Create a new app from the Alchemy dashboard on the Cardona network.
2. Change your API\_URL to your zkEVM Cardona RPC URL: https://polygonzkevm-cardona.g.alchemy.com/v2/
3. Deploy your test contract to Cardona.
4. Change your tests to use the new contract.

For more detailed instructions, please reference the "How to Deploy a Smart Contract to the Sepolia Testnet" tutorial on our docs.

A note on other chains

Goerli deprecation dates for other chains are up to date on this blog post.