Wisp

Privacy is free. Proof is the product.

The whole self-destructing, end-to-end encrypted service is free. You pay only when you need the message to be provable years later.

Free

The whole product, minus the proof.

€0forever
  • Unlimited encrypted, self-destructing messages
  • Every expiry and read-count option
  • Password protection
  • 3 anchored proofs per month
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Most popular

Pro

Provable delivery, for one professional.

€9.90/ month
  • Everything in Free
  • 50 anchored proofs per month
  • On-chain verification of every proof
  • API access

Business

Proof at team scale, with attachments.

€29.90/ month
  • Everything in Pro
  • 350 anchored proofs per month
  • Attachments (up to 5 files, 25 MB each) — coming soon
  • Priority support

Custom

High volume, SLA, invoicing, a dedicated verifier.

· Unmetered proofs· On-prem or dedicated verifier· Invoicing and SLA· Priority onboarding
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Cancel anytime. The free, self-destructing service is always unlimited — only proofs are metered. Anchoring a message is a permanent, public record — see what we can and cannot prove.