Guides & Tutorials

In-depth walkthroughs for API credits, eSIM travel setups and VPN privacy best practices.

WireGuard, OpenVPN or IKEv2: Choosing the Right VPN Protocol in 2026
Guides & Tutorials · 2026/09/04

WireGuard, OpenVPN or IKEv2: Choosing the Right VPN Protocol in 2026

The Protocol Question Every VPN client eventually asks which protocol to run. WireGuard, OpenVPN, and IKEv2 dominate the landscape, and each makes different trade-offs between speed, compatibility, and how much they resist deep-packet inspection. The right answer depends on the device and the network you are on. WireGuard: The Modern Default WireGuard is a young, […]

Guide
Two Numbers, One Phone: Keeping Your Home Line Active While Traveling
Guides & Tutorials · 2026/09/03

Two Numbers, One Phone: Keeping Your Home Line Active While Traveling

The Old Trade-Off Is Gone You used to choose between popping out your home SIM and losing SMS codes, or keeping it in and paying roaming rates. Dual-SIM and multi-eSIM phones removed that choice. You can keep your home number fully active and add a travel data line at the same time. How the Two […]

Guide
Function Calling and JSON Mode: Structured Outputs Without the Guesswork
Guides & Tutorials · 2026/09/02

Function Calling and JSON Mode: Structured Outputs Without the Guesswork

Why Raw Text Outputs Break Pipelines Asking a model to “return JSON” in a prompt is unreliable. It can wrap the answer in markdown, add commentary around it, or invent keys. When your code needs typed data, two mechanisms exist to get it reliably: function calling and structured-output modes like JSON schema. Function Calling in […]

API Guide
Why Your VPN Feels Slow, and What Actually Fixes It
Guides & Tutorials · 2026/09/01

Why Your VPN Feels Slow, and What Actually Fixes It

The Speed Test Trap Everyone runs a speed test, sees a drop, and blames the VPN. Often the real bottleneck is nothing to do with the tunnel protocol. Before you switch providers, work through the usual suspects in order. 1. Server Distance and Load The single biggest factor is physical distance between you and the […]

Guide Tips
Cruise Connectivity in 2026: eSIM, Roaming and Satellite Options at Sea
Guides & Tutorials · 2026/08/30

Cruise Connectivity in 2026: eSIM, Roaming and Satellite Options at Sea

Why Cruises Are a Connectivity Puzzle A cruise ship is not a fixed location, so the normal country-by-country eSIM logic does not apply. Once you are more than a few miles offshore, you are outside coastal cell towers and dependent on the ship’s own systems. Knowing the three available paths makes the difference between a […]

Guide
Split Tunneling in Practice: Route Only the Apps That Actually Need a VPN
Guides & Tutorials · 2026/08/29

Split Tunneling in Practice: Route Only the Apps That Actually Need a VPN

Why Route Everything? By default a VPN sends all your traffic through the tunnel. That is simple and secure, but it costs you speed, bandwidth, and battery, and it can break local services like a printer or a smart home hub that expects to talk to your phone on the LAN. What Split Tunneling Lets […]

Tips
eSIM Security Checklist: Protect Your Data Before and During a Trip
Guides & Tutorials · 2026/08/28

eSIM Security Checklist: Protect Your Data Before and During a Trip

eSIMs Are Safer, but Not Automatic An eSIM removes the risk of losing a physical card and makes your data profile harder to clone, but the phone around it still needs the same hygiene you would use at home. This checklist covers what to do before you fly and while you are abroad. Before You […]

Tips
VPN Kill Switch: What It Is and How to Test Yours Before You Travel
Guides & Tutorials · 2026/08/27

VPN Kill Switch: What It Is and How to Test Yours Before You Travel

The Gap in Most VPN Setups A VPN protects you only while the tunnel is up. If the connection drops for two seconds on an airport network, apps quietly fall back to the raw connection and your traffic goes out unprotected. A kill switch closes that gap by blocking traffic the moment the tunnel fails. […]

Guide Tips
How Many GB of eSIM Data Do You Really Need? A Practical Calculator
Guides & Tutorials · 2026/08/26

How Many GB of eSIM Data Do You Really Need? A Practical Calculator

Why Everyone Overbuys Most travelers pick a data plan by guessing. The result is either a 10 GB bundle with 8 GB left over at the airport, or a 3 GB plan that runs dry on day three of a two-week trip. With a little math, you can buy the plan that actually fits. The […]

Guide Tips
The Ultimate eSIM Travel Guide for 2026: Stay Connected in 100+ Countries
Guides & Tutorials · 2026/08/11

The Ultimate eSIM Travel Guide for 2026: Stay Connected in 100+ Countries

Traveling abroad used to mean hunting for local SIM cards or paying terrifying roaming fees. Not anymore. With DaqiToken eSIM, you can be online within minutes of landing, at a fraction of the price. 📶 What is an eSIM, anyway? 🤔 An eSIM (embedded SIM) is a digital SIM built into modern phones. Instead of […]