Guides

Proper guides for privacy focused netizens.

01Apr 12, 2026

Disposable Email API for QA Testing in 2026: Complete Developer Guide

Need a disposable email API for QA testing? FreeCustom.Email provides programmable private inboxes with OTP extraction, WebSockets, and long-polling. Full JavaScript and Python SDK guide for automated QA pipelines.

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02Apr 12, 2026

Magic Link Testing API in 2026: Automate Passwordless Login with FreeCustom.Email

Looking for an OTP testing API? FreeCustom.Email's built-in OTP extraction enables automated one-time password testing in Playwright, pytest, Jest, and CI/CD pipelines. Complete SDK guide with JavaScript and Python examples.

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03Apr 12, 2026

Email Testing API for Playwright in 2026: Complete Guide with SDK Code Examples

The best email testing API for Playwright in 2026. Full guide covering FreeCustom.Email SDK integration — long-polling, OTP extraction, magic links, parallel workers, and CI/CD. Complete TypeScript and Python examples.

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04Apr 6, 2026

Temp Mail MCP Server: Give Your AI Agent a Working Inbox in One Tool Call (2026)

The only disposable email MCP server built for AI agents. Learn how fce-mcp-server works with Claude, Cursor, Windsurf, and any LLM — with real code and use cases.

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05Apr 6, 2026

Webhooks for Disposable Email: Real-Time OTP Notifications Without Polling (2026)

FreeCustom.Email now supports webhooks. Learn how to receive instant HTTP push notifications when emails arrive in your disposable inboxes — with working Node.js, Python, and Go examples.

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06Apr 6, 2026

The Wait API: Long-Poll for Temporary Email Without Polling Loops (2026 Guide)

FreeCustom.Email's /wait endpoint lets you block until a new email arrives — no polling loop, no regex, no wasted requests. Full guide with Node.js, Python, Go, and curl examples.

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07Apr 6, 2026

The Best Disposable Email API for AI Agents and Automation in 2026: A Complete Guide

MCP, webhooks, long-polling, OTP extraction, Playwright, LangChain, n8n — everything you need to automate email verification at scale in 2026. With working code for every major stack.

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08Mar 28, 2026

Disposable Email for Signup Automation: The Complete Developer Guide (2026)

How to automate signup flows, account creation, and email verification at scale using a disposable email API — with code examples for Python, Node.js, bash, Playwright, Selenium, and AI agents, plus CI/CD patterns, parallel execution, and OTP extraction without regex.

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09Mar 28, 2026

OTP API for Playwright: Automate Email Verification Without Regex (2026)

A complete guide to automating OTP extraction and email verification in Playwright tests — covering TypeScript, Python, and parallel test execution using FreeCustom.Email's API, the only disposable email service with built-in OTP parsing and a CLI.

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10Mar 28, 2026

Temp Mail API for Selenium: Automate Email Verification in Your Test Suite (2026)

Everything you need to use a disposable email API with Selenium WebDriver — covering Python, Java, and JavaScript, with real code, OTP extraction, parallel test isolation, and CI/CD patterns using the only temp mail service with an official CLI.

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