CheckNumber.AI vs ApiFlux

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 ApiFlux
Detail	CheckNumber.AI	ApiFlux
What it does	Bulk phone number and email verification across 50+ platforms via API or no-code CSV upload	Multi-protocol AI router for Claude, GPT, Gemini and 100+ models with automatic failover at 15% below official pricing
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Paid	Paid
Pricing	Not given	No subscription. Pay per token at 85% of official list price. Start free with $1 credit.
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	One API key for 100+ frontier models Automatic failover across providers OpenAI-compatible API Transparent per-token pricing Live usage dashboard Native Anthropic, OpenAI, Gemini support Works with Claude Code, OpenCode, Codex CLI Zero data retention Per-key usage logs and limits
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	15% cheaper than official list prices for all models No vendor lock-in with OpenAI-compatible code Automatic failover in milliseconds Zero data retention and privacy Set up in 2 minutes with one base URL change
Community votes	0	0
DR (Domain Rating by Ahrefs)	37 no change since last check	16 −1 (down) since last check
Trust Flow (Majestic)	6	12
Citation Flow (Majestic)	44	26
Referring domains (Majestic)	42	79

4 details filled in for both companies.

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