We're the good guys.
Meet the bad ones.
One API to spot spam callers, disposable inboxes, Tor exits and VPN proxies before they touch your users. Phone HLR, email deliverability and IP threat intel — all in under 300ms.
Meet the bad ones.We block them so your users don't have to.
One credit. Any verification. Zero surprise bills.
Every phone, email, or IP lookup consumes exactly 1 credit. Bulk it, stream it, or plug it into your AI agent — the pricing is the same across the board.
Phone HLR & Carrier Lookup
Real-time HLR pings across 800+ mobile networks. Line portability, spam reputation, and DNC checks in under 300ms.
Email Deliverability Intel
Syntax + MX + SMTP handshake in one call. Detects disposable, role, catch-all and free providers with confidence scoring.
IP Threat Intelligence
Geolocate any IPv4 or IPv6, then flag Tor exits, residential proxies, commercial VPNs and datacenter ranges instantly.
AI Agent Connector (MCP)
Native Model Context Protocol server with OAuth 2.1 — plug The Good Guys into Claude, ChatGPT & LangGraph without keys.
Fraud Signal Aggregation
Cross-referenced feeds from carrier systems, blocklists, and global threat databases update every 60 seconds.
Bulk CSV & Streaming
Drop a CSV of 100k rows and stream verified output. Or hit us at 200 QPS from your own pipeline.
A REST API you actually want to use.
HTTPS. Bearer tokens. JSON in, JSON out. No SDK required — but we ship idiomatic ones for JS, Python, Go and Ruby.
- One universal endpoint per validator
- Deterministic response schema — never a breaking change
- MCP server for Claude, ChatGPT, LangGraph agents
- Rate-limited free tier plus 25 browser tools
$ curl https://api.thegoodguys.app/api/validate/phone \
-H "Authorization: Bearer gg_live_9J2..." \
-H "Content-Type: application/json" \
-d '{"value":"+14155552671"}'
{
"kind": "phone",
"credits_used": 1,
"result": {
"e164": "+14155552671",
"carrier": "Verizon Wireless",
"line_type": "mobile",
"country": "United States",
"ported": false,
"spam_risk": "low",
"hlr_status": "active"
}
}Fraud teams shipping with The Good Guys.
"We cut signup fraud 68% in six weeks. The HLR + IP risk combo is the cleanest fraud signal we've integrated in ten years of ops."

"Their MCP connector was live in our AI agents in under an hour. The latency budget for enrichment used to be our bottleneck — no longer."
"One credit, three verification types, zero surprises. The rollover policy actually respects developers — that alone is refreshing."
