TaxJar - TaxJar simplifies sales tax filing for eCommerce sellers.
Original - Original API empowers mobile, desktop and browser Apps to create, sell and transfer NFTs to millions of users securely and without any frictions.
Octobat - Octobat provides automated tax-compliance and accounting for digital businesses.
thirdweb - thirdweb is an ecosystem of SDKs, dev tools, and dashboards that help teams build and manage web3 apps. Deploy custom or pre-built contracts to ETH, MATIC, AVAX, & more.
Avalara - Cut tax compliance costs, not corners. Avalara automates tax compliance and can help improve accuracy while reducing costs.
OpenSea - Ebay for cryptogoods. Buy and sell items on the blockchain.