For emissions estimate and cost

GET <https://aerial.is/_nft?gas=><gas amount>

GET <https://aerial.is/_nft/><address>

For testnets

GET <https://aerial.is/_nft/><address>?testnet=<goerli|kovan|rinkeby|ropsten>

Returns emissions and required carbon credits to the nearest 0.1.

{
	"co2": <emissions in CO2>,
	"gas": <gas used>,
	"transactions": <number of transactions>, 
	"credits": <credits required to offset>,
	"cost": <cost to offset in USD>,
	"credits_purchased": <number of credits already purchased>,
	"transactions_offset": <number of transactions already offest>
}

For offsetting

<aside> 💡 To request an API key, send an email to nft@aerial.is detailing your use case.

</aside>

address – address of collection

tokenid – token id of NFT (optional)

apikey – your api key

credits – number of credits to the nearest 0.1. This number is acquired from the previous call.