Proof of Human Response

Pricing Built for Trusted Feedback

Verify real people at real addresses, protect response integrity, and keep your survey workflow exactly where it is.

Start free, upgrade when you need more Initiator tools, and only pay verification anchoring fees when response sets are posted.

For participants

Responders

Always free to sign up, verify, and participate.

For light usage

Free

Initiator Starter

  • Basic surveys and results
  • Limited volume and features
  • Managed through Stripe as a $0 plan
Recommended

For growing teams

Most Popular

Initiator Professional

  • Advanced features and integrations
  • Higher limits and priority support
  • $75/month or $200/quarter

Choose Your Initiator Plan

Starter free ยท Professional paid

Trial eligibility: A 7-day free trial is available when upgrading from a Responder account to an Initiator license within the app. Cancel any time. Free trial available for eligible Responders.

Verification anchoring fee per response set

Default fee: 0.50 XRP per response set, not per question. High-volume discount available at 0.25 XRP. Posting to XRPL helps create tamper-evident response records.

Small Client

500 response sets / month

Fee per response set 0.50 XRP
Total monthly XRP 250 XRP

Mid Client

2,000 response sets / month

Fee per response set 0.50 XRP
Total monthly XRP 1,000 XRP

High Volume

20,000 response sets / month

Discounted fee 0.25 XRP
Total monthly XRP 5,000 XRP

XRP examples are estimates only. Anchoring fees are charged in XRP at the time of posting. Volume discounts are available for significant monthly usage.