CheckNumber.AI vs MentionsAPI

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

CheckNumber.AI compared with MentionsAPI
Detail	CheckNumber.AI	MentionsAPI
What it does	Bulk phone number and email verification across 50+ platforms via API or no-code CSV upload	Brand visibility API for ChatGPT, Claude, Gemini, and Perplexity
Stage	Not given	Startup
Founded	Not given	2026
Based in	Not given	Not given
Pricing model	Paid	Not given
Pricing	Not given	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).
Key features	Real-time verification against 50+ platforms No-code CSV/TXT upload interface REST API for automation and integration Support for 200+ countries Platform-specific detectors for messaging, social, crypto and carriers Activity detection (days active, last seen, profile data) Free single number checker tool Pay-as-you-go with no monthly fees	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
What makes it different	Supports 50+ platforms with a single API integration No platform login or QR code required for verification Both no-code and developer-ready options Real-time checks against live platform servers No data storage or marketing use of contact lists	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
Community votes	0	0
DR (Domain Rating by Ahrefs)	37 no change since last check	4 −1 (down) since last check
Trust Flow (Majestic)	6	4
Citation Flow (Majestic)	44	24
Referring domains (Majestic)	42	37

3 details filled in for both companies.

More alternatives to CheckNumber.AI More alternatives to MentionsAPI