Test REST APIs with Kotlin, Retrofit, JUnit5, and Mockito
4 min readBuilding Fast, Strongly Typed End-to-End Tests with Kotlin and Retrofit: A guide to testing Kotlin apps with Retrofit and JUnit5.
Read guideEmail testing, deliverability, and API guides
Build more reliable email and SMS workflows with practical MailSlurp tutorials, implementation guides, and production-ready testing advice.
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Use the Email API to set up a custom domain for your emails.
3 min readSet up your custom email domain with MailSlurp and access it programmatically in your code. Learn how to do it with our hosted email domains.
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Email attachment size limits: what actually sets the maximum?
3 min readUnderstand how MIME encoding affects email attachment size, why providers set practical limits, and how to upload and send attachments with MailSlurp.
Read guideFetch error message in JavaScript
3 min readError Handling with Javascript Fetch: A guide on how to handle different response status codes in API design using try-catch keywords and promises with samples.
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How to wait for Selenium to start during Codeception tests
3 min readAutomatically Start and Wait for Selenium During Your Codeception PHP Tests: A Tutorial - tips to avoid using the wait and sleep commands.
Read guideSmoke-test your app with CircleCI and NodeJS (catching bugs quickly)
6 min readAvoid embarrassing bug reports by catching bugs in production early with Smoke Tests. It's a simple way to deploy with confidence.
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How to test an email address
3 min readCreate Test Email Accounts for Code and Online Testing with MailSlurp: Free Service for Sending and Receiving Emails from Real Addresses #emailtesting
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Building AWS SES Infrastructure with Terraform aws_lambda_function and Lambda
7 min readSending transactional emails with AWS is more powerful than other API providers but comes with some downsides.
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Email API for email marketing and more.
3 min readAPIs for email marketing and social campaign testing. Send, receive, validate and test emails in code and online.
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