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Create or edit your Carbonmark profile
Learn how to buy carbon credits
Learn how to list carbon credits for sale
Do listings expire?
Yes, Listings on Carbonmark have a default 90-day expiration date or lifespan from the date of creation. Once this period ends, a listing becomes expired and is no longer available for purchase. Sellers can opt to edit their listing before a listing expires.

Seamlessly integrate digital carbon into your product or service

See your reference documentation for our API and smart contracts. Tap into instant, fractionalized, auditable digital carbon retirements in minutes.