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ARIA Protocol vs 42agents

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

ARIA Protocol compared with 42agents
DetailARIA Protocol logo ARIA Protocol42agents logo 42agents
What it doesOpen protocol for AI agent identity, DNS-anchored and post-quantum native, governed by a nonprofit White-label AI agents for WhatsApp that agencies resell with their own brand
StageStartup Not given
Founded2026 Not given
Based inMX HN
Pricing modelOpen source Not given
PricingFree to use. L0 credentials issued today. L1 enabled in agent.bar demonstration. L2 and L3 specified but not yet issued. Pro plan: 39 USD per account per month with agency subdomain. Premium plan: 117 USD per month starting from 3 accounts with custom domain. Each account includes 1 WhatsApp line and 3 users. Additional lines: 6 USD/month. Additional users: 3 USD/month. Free 7-day trial on any plan. Meta message fees
Key features
  • W3C Verifiable Credentials (AID format)
  • Four trust levels (L0-L3) with progressive verification
  • DNS anchoring starting at L1
  • ML-DSA-65 + Ed25519 composite signatures
  • ARIA AP for signed requests and receipts
  • Append-only Trust Ledger with credential lifecycle events
  • Revocation capability with signed status lists
  • Public REST API verification endpoint
  • TypeScript SDK for credential verification
  • Official Meta Cloud API with coexistence on existing WhatsApp number
  • Shared inbox for team with labels and notes
  • Bring your own key AI model (OpenAI or OpenRouter)
  • Agent configuration for sales or support use cases
  • Unlimited contacts and message sends
What makes it different
  • Post-quantum native from launch, not a migration plan
  • Governed by nonprofit to prevent capture
  • Complements existing protocols without replacing them
  • L0 credentials issued and verifiable today
  • Coexistence lets clients keep their existing WhatsApp Business and Web access without new numbers
  • Per-account pricing allows starting with one client; no agency minimums
Community votes00
DR (Domain Rating by Ahrefs)32 +5 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)70
Citation Flow (Majestic)200
Referring domains (Majestic)100

5 details filled in for both companies.

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