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NFTPort is self-signup and open for everyone. You can grab your free API key and start building in a few minutes. After the signup, you can check the step-by-step guides in our docs.
Free minting is enabled by Polygon, a leading scaling solution built on top of Ethereum. We are official partners of Polygon. For why we are offering free minting, read more about it in the Community Partnership Program.
Proof of work (PoW) blockchains are indeed extremely energy exhaustive. That's why we offer minting with Polygon which uses proof of stake (PoS) consensus. Polygon's PoS validators consume multiple orders of less energy compared to PoW-based blockchain miners and that translates to more environmentally friendly NFT minting. You can read more about the exact statistics here.
We currently support Ethereum, Polygon, and Solana. As we believe the future is multi-chain, then we are constantly adding new L1 and L2 blockchains. If you have a specific request, then please contact us.
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