Custodian Labs vs ARIA Protocol

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

Custodian Labs compared with ARIA Protocol
Detail	Custodian Labs	ARIA Protocol
What it does	Deploy production-grade AI agents in 2 minutes with built-in PII protection	Open protocol for AI agent identity, DNS-anchored and post-quantum native, governed by a nonprofit
Stage	Not given	Startup
Founded	Not given	2026
Based in	NZ	MX
Pricing model	Freemium	Open source
Pricing	Basic (Free): 100k tokens, 1k requests, GPT-6 Luna, email and community support. Starter: $19/month (was $49): 1m tokens, 10k requests, all models with newest first, priority 24/7 support, direct roadmap input, monthly 1:1 product call, free compliance assessment. Custom: contact for enterprise need	Free to use. L0 credentials issued today. L1 enabled in agent.bar demonstration. L2 and L3 specified but not yet issued.
Key features	Guardian Layer PII protection with remove, mask, transform or detect options Support for over 100 AI models including OpenAI, Anthropic, Google, Mistral and open-source Build with Python, JavaScript or visual no-code builder Multi-agent routing with specialized agents on different models Tools including web search, Gmail, X, URL scraping and document parsing Built-in knowledge base with automatic retrieval, embeddings and citations Zero infrastructure deployment with hosted endpoint and auto-scaling Session memory included in deployments Bring your own API key or use Custodian-managed models Custom entity types for PII protection	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
What makes it different	Guardian Layer proprietary PII protection keeps context while protecting sensitive data Deploy production agents in 2 minutes with no infrastructure setup One-line model switching across 100+ models without changing agent logic Complete support agent with knowledge base and memory in 6 lines of code Built-in multi-agent routing for specialized agent teams	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
Community votes	0	0
DR (Domain Rating by Ahrefs)	3 no change since last check	23 no change since last check
Trust Flow (Majestic)	9	7
Citation Flow (Majestic)	23	20
Referring domains (Majestic)	52	10

6 details filled in for both companies.

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