Toposware

Toposware develops a fully interoperable blockchain ecosystem powered by zero-knowledge proofs. The job it does: accepting cards, bank transfers and wallets online or in person.

Who is it for? Mostly any business that takes money. They also list Blockchain, so expect those to show up in the feature set. As a small product team themselves (11 to 50 people), they tend to serve customers of a similar scale best. You will probably talk to the people who build it, which is great until you need 24/7 support.

Toposware is based in Boston, Massachusetts and around since 2019. You can read more at toposware.com.

Things worth asking about: rates, payout timing, chargeback handling, and developer tools. Get the renewal terms in writing before the first invoice.

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