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Zyntra vs Nopaque

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Zyntra compared with Nopaque
Detail ZyntraNopaque logo Nopaque
What it doesEmail testing API for sign-up and password-reset flows Customer perspective voice testing for agentic IVRs
StageNot given Not given
FoundedNot given Not given
Based inPL GB
Pricing modelFreemium Not given
PricingFree: 150 emails/month, 500 API requests/month. Starter: $9/month billed yearly or $11/month billed monthly, 10,000 emails/month. Pro: $29/month billed yearly or $39/month billed monthly, 50,000 emails/month. Free: 3 concurrent activities, 150 free minutes per month across all six activity pools, 50,000 free AI analysis tokens per month, full feature access, no credit card required, up to 2 API keys. Starter: $49/month with 2% off all PAYG usage and 10 concurrent activities. Team: $499/month with 5% off
Key features
  • REST API to read emails
  • Automatic link extraction from emails
  • Node.js SDK for testing
  • MCP server for AI agents
  • Web dashboard for manual QA
  • Works with any HTTP test framework
  • Email attachment support
  • 30-second wait for email arrival
  • Separate inboxes per test run with unique tags
  • Variable mail retention by plan
  • Voice journey mapping for DTMF, AVE, and conversational AI agents
  • Real PSTN customer-perspective testing
  • Load testing with elastic concurrency
  • Regression testing with diffs
  • Mission tests with AI agent judgment
  • EU AI Act Article 50 compliance reports
  • FCA PRIN 2A and Ofcom GC compliance attestation
  • MCP server for AI agent integration
  • CI/CD pipeline integration
What makes it different
  • No inbox creation needed to start testing
  • Real email delivery path through your own provider
  • Unique inbox per test run prevents parallel test interference
  • Links already extracted from emails for easy testing
  • Three ways to read emails: API, web viewer, or AI agent
  • Per-second billing on-demand instead of capacity-planned contracts
  • Real PSTN calls instead of simulator-only testing
  • Dated, signed, hash-anchored compliance reports as evidence
  • No integration required - dials existing phone numbers over PSTN
  • Self-serve with free tier and published pricing
Community votes00
DR (Domain Rating by Ahrefs)3 no change since last check3 no change since last check
Trust Flow (Majestic)33
Citation Flow (Majestic)2817
Referring domains (Majestic)6314

5 details filled in for both companies.

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