Better Auth vs vet402

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

Better Auth compared with vet402
Detail	Better Auth	vet402
What it does	The most comprehensive authentication framework	Independent measurement of x402 payments for AI agents
Stage	Not given	Startup
Founded	Not given	Not given
Based in	US	JP
Pricing model	Freemium	Not given
Pricing	Framework is free and open source. Managed infrastructure: Starter $0/month, Pro $20/month, Enterprise custom. Pro plan includes $0.001 per email and $0.09 per SMS for transactional communications. Self-service SSO and Directory Sync start at $50/month per connection. Custom domain for Dashboard and	Free: US$0 per month (1,000 lookups a month); Pro: US$49 per month (50,000 lookups a month); Scale: US$199 per month (500,000 lookups a month)
Key features	Works with Next.js, Nuxt, SvelteKit, Astro, Hono, and 20+ more frameworks Built-in credential authentication with sessions, email verification, and password reset Social sign-on with 34+ providers including Google, GitHub, Apple, Discord Multi-tenancy with teams, roles, invitations, and access control Enterprise features: SSO, SAML 2.0, SCIM, directory sync 50+ authentication methods including passkeys, magic links, API keys, JWTs Auth for AI agents with MCP auth, token exchange, and agent delegation Security features: bot detection, IP blocking, email validation User management dashboard with session monitoring and organization oversight	API key management with free tier at 10 requests per minute Multi-language SDK support including curl, TypeScript, Python, MCP and no-code n8n L0, L1 and L2 measurement layers for payment verification On-chain settlement re-verification across multiple blockchains Trust score and decision API (ALLOW, WARN, BLOCK) Public impact ledger recording all purchases and deliveries Support for Base, Arc, Celo, Arbitrum One, Avalanche C-Chain, BNB Chain, Solana, Stellar, Tempo and XRPL
What makes it different	Declarative configuration as code instead of dashboard clicks, version controlled and reviewable in PRs Bring your own database instead of being locked into a specific provider 50+ authentication methods and growing with plugin ecosystem Real-time threat detection before it reaches users with Sentinel Built by community of 987+ contributors	Only service that buys from x402 endpoints with its own funds and publishes settle-through receipts Published methodology and measured error rates for transparency Non-custodial design that never holds customer funds or keys Free API tier for reads without key requirement
Community votes	0	0
DR (Domain Rating by Ahrefs)	77 no change since last check	27 no change since last check
Trust Flow (Majestic)	24	2
Citation Flow (Majestic)	44	23
Referring domains (Majestic)	2738	18

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