Trusted by teams who ship

"We replaced a bespoke sealing microservice with seal.club in a weekend. The docs were the difference."

"Free tier let us prove tamper evidence to security before we ever signed a contract."

"Verification API slots straight into our support tooling — agents can confirm a PDF instantly."

"One-line setup was not marketing fluff. We were sealing staging documents in under an hour."

"Finally an API that treats errors as part of the product, not an afterthought."

"We have shipped three products on the same sealing pipeline without touching crypto code."