GACS vs URLVoid

Multi-engine URL reputation aggregator. Honest, factual comparison — last updated July 2026.

URLVoid founded 2011

Pricing: Free · Paid API (APIVoid)

GACS: Free, no ads

Feature	GACS	URLVoid
Website / URL check	Yes	Yes
Crypto wallet check	Yes	No
Phone number check	Yes	No
Aggregates other blocklists	Yes (250k entities)	Yes (~30 engines)
Real-time scam alerts feed	Yes	No
Public API (no key)	Yes	Paid via APIVoid
Browser extension	Yes	No
Embeddable trust badge	Yes	No
Ads / tracking	None	Display ads

Where URLVoid shines

Long-standing aggregator of mainstream security-vendor blocklists.
Useful as a quick second opinion for unusual URLs.

Where GACS shines

Covers crypto wallets, tokens, phones and social handles — not just URLs.
Real-time alerts and free public API, not just an on-demand lookup.
Ad-free, tracking-free interface.

The honest verdict

URLVoid is great as a quick multi-engine URL second opinion. GACS goes broader (crypto, phone, social), faster (real-time alerts) and free at the API tier — better as a daily-driver scam-check toolkit.

All trademarks belong to their respective owners. Information based on each provider's public website at time of writing. Spot something out of date? Tell us.