Signa vs Meterdoor

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

Signa compared with Meterdoor
Detail	Signa	Meterdoor
What it does	Global trademark API for search, screening, and monitoring across major trademark offices	Express middleware for accepting payments in euros from humans via Stripe and USDC from AI agents via x402 on a single endpoint
Stage	Not given	Not given
Founded	Not given	Not given
Based in	CY	DE
Pricing model	Not given	Freemium
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	Free core under Apache 2.0 license with both payment methods and Express integration. Pro Early Bird: 49 € including 19% VAT, one-time fee for 1 project, then 79 € (includes quotas, CSV payment log, webhook reconciliation, 12 months updates and support, delivery within 3 weeks or full refund). Team:
Key features	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	Single endpoint accepts both euro payments via Stripe and USDC payments via x402 Time-limited access model for human users paying in euros Per-request billing for AI agents using USDC on x402 Cryptographic payment verification without holding funds Local demo mode without accounts or real payments Open source core under Apache 2.0 license Works with Base Sepolia testnet and Stripe test mode
What makes it different	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	Unified payment solution for both human users and AI agents from a single endpoint Funds go directly to your accounts; Meterdoor never touches the money Open source core provides transparency and no ongoing licensing costs Ready for production with AI agents despite their current low payment volume Local testing without creating accounts or handling real money
Community votes	0	0
DR (Domain Rating by Ahrefs)	6 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	23	0
Referring domains (Majestic)	25	0

5 details filled in for both companies.

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