Notol vs Signa

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

Notol compared with Signa
Detail	Notol	Signa
What it does	Stablecoin escrow and transfer verification on Arc mainnet	Global trademark API for search, screening, and monitoring across major trademark offices
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	CY
Pricing model	Not given	Not given
Pricing	Free plan: up to 1,000 settled transfers per month and 10,000 payee checks per month; Growth plan: 0.10 USDC per settled transfer over 1,000, includes 100,000 payee checks, then 0.001 USDC each; Enterprise plan: contract pricing	Free plan: 10,000 credits on signup plus 1,000 credits per month. Starter: $99/month (billed yearly) with 20,000 credits per month, $10 per 1,000 extra credits. Growth: $399/month (billed yearly) with 100,000 credits per month, $5 per 1,000 extra credits. Scale: $999/month (billed yearly) with 500,0
Key features	Payee verification with direct, escrow, or block decision Transfer status and history tracking Event webhooks for transfer lifecycle TypeScript SDK for agent integration MCP server for AI agents Refund on non-delivery or expiry Idempotency keys for safe retries Rate limiting with plan-based quotas Self-serve API key generation Webhook signature verification	Exact, fuzzy, phonetic and lookalike matching across trademarks 40M+ trademark records from USPTO, EUIPO, WIPO, UKIPO and national registers REST API with webhooks and consistent schema across all registers Sub-1 second typical search response times 99.9% uptime target Trademark screening to flag conflicts before name commitment Product listing scan with automatic brand term extraction Trademark monitoring with alerts for new similar filings AI-assisted risk detection for fuzzy and lookalike matches Synchronous listing checks inline during publishing workflows
What makes it different	Transfers lock on-chain and release only with recipient proof, preventing wrong-wallet errors Integrates AI agents through MCP server alongside REST API and TypeScript SDK Automatic refunds after expiry without manual intervention Free tier supports 1,000 transfers and 10,000 payee checks per month	One unified API covers all major trademark registers instead of separate integrations Automatic brand term extraction from product listings without seller input Stateless API stores no customer catalog or query data by default
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	5 no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	0	23
Referring domains (Majestic)	0	25

4 details filled in for both companies.

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