MentionsAPI vs SignupVet

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

MentionsAPI compared with SignupVet
Detail	MentionsAPI	SignupVet
What it does	Brand visibility API for ChatGPT, Claude, Gemini, and Perplexity	Check email, phone and IP of every new signup to spot bots and fraud
Stage	Startup	Not given
Founded	2026	Not given
Based in	Not given	GB
Pricing model	Not given	Not given
Pricing	Free: 300 credits on signup (no card required). Monthly: $5/mo for 1,000 credits. Annual: $54/yr for 12,000 credits. Per-call costs range from 5 credits (cached quick checks) to 165 credits (all_live mode). Top-up packs available at $4.00 per 1k credits (monthly) or $3.00 per 1k (annual).	Free: 250 checks per month. Build: $49/month for 5,000 checks. Growth: $199/month for 25,000 checks. Scale: Custom pricing. One-time packs: $15 for 1,000 checks that never expire.
Key features	Query ChatGPT, Claude, Gemini, and Perplexity in parallel via one endpoint Structured brand mention extraction with rank, sentiment, and surrounding context Citation extraction with canonical URL resolution and deduplication Webhook delivery for scheduled monitor runs MCP-native integration with Claude Desktop and Cursor Reduced pricing for cached queries with cache_bypass option for fresh results Per-key rate limits and partial-success fallbacks on provider degradation Normalized response schema across all providers Credit-based pricing with 300 free credits on signup	Email verification: checks for disposable providers, typos, dead mail servers and placeholder addresses Phone validation: checks validity, country, line type, flags toll-free and blocks premium-rate numbers IP checking: detects Tor, VPNs, datacenters and bot-wave patterns Dashboard and logs with masked data Custom block and allow lists on paid plans Webhooks and Slack alerts on paid plans Sub-50 millisecond response time
What makes it different	One unified API replaces four separate SDKs for ChatGPT, Claude, Gemini, and Perplexity Covers both official APIs and real-time UI scraping across 8 AI search surfaces	Catches bot waves by analyzing recent signups together, not just individual checks One API call covers email, phone and IP combined instead of three separate services Privacy by design: email, phone and IP never stored in clear text, logs deleted after 90 days
Community votes	0	0
DR (Domain Rating by Ahrefs)	4 −1 (down) since last check	1 no change since last check
Trust Flow (Majestic)	4	1
Citation Flow (Majestic)	24	14
Referring domains (Majestic)	37	4

4 details filled in for both companies.

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