Is ip-fast.com free to use?

Yes, ip-fast.com is listed as a free public API. Visit the official documentation for current rate limits and usage policies.

Does ip-fast.com require an API key?

No, ip-fast.com works without any authentication — you can call it directly.

Can I call ip-fast.com directly from the browser?

Yes, ip-fast.com supports CORS, so client-side calls work without a proxy.

ip-fast.com — Free Public API

Overview

ip-fast.com returns your public IP and geolocation as JSON — keyless.

⚠️ Gotcha (verified 2026-08): plain requests return an HTML page with a JS redirect (anti-bot) — you need to follow the challenge parameters (ch=1&js=...) or use a real browser. The API itself is alive.

Quick Start

The API is behind a JS challenge — fetch with a browser, or follow the challenge:

curl "https://ip-fast.com/api/ip/?format=json"

{ "ip": "210.61.187.110", "country": "TW", "city": "Kaohsiung" }

Authentication

None — keyless.

Rate Limits & Notes

Free; the anti-bot JS challenge may require browser-based access.
Returns IP, country, and city.

FAQ

Is ip-fast.com free? Yes — free and keyless.

Why am I getting HTML with JS? Anti-bot challenge (verified) — follow ch=1 or use a browser.

What does it return? IP, country, and city as JSON.

More in Development

API	Auth	HTTPS	CORS
24 Pull Requests Project to promote open source collaboration during December	No auth	Yes	Yes	↗
Abacus Free and simple counting service. You can use it to track page hits and specific events	No auth	Yes	Unknown	↗
Agent Gateway 34+ AI agent infrastructure services including memory, wallets, and scheduling	API Key	Yes	Unknown	↗
AgentDeals Search and compare developer free tiers, startup credits, and pricing changes	No auth	Yes	Unknown	↗
Agify.io Estimates the age from a first name	No auth	Yes	Yes	↗