Starting April 13, 2024, Polygon Mumbai will no longer be supported as Polygon Mumbai will be fully deprecated. Polygon Amoy will be supported on Staging starting April 10, 2024.

Action may be required if you’re currently using Mumbai with Crossmint

Using Amoy for Collections on Staging

  • The chain identifier for Polygon Amoy testnet is polygon-amoy.
  • You can use them in all APIs that support a chain selector, including Minting APIs (e.g. Create NFT Collection) and wallets (e.g. Get NFTs from Wallet).

If you have further questions regarding this, we are here to help. Contact Crossmint Support.