Resend
resend.comEmail delivery with retry keys, inbound mail and contact-based broadcasts
Email delivery with retry keys, inbound mail and contact-based broadcasts
Hosted email design with independent saved blocks, synced sections and export controls
Email campaigns and automation within a wider messaging workspace
Email campaigns and triggered scenarios with an integrated content editor
AI email assistant that organizes your inbox and drafts replies in your voice
Application email delivery and isolated sandboxes for inspecting test messages
SMTP and API email with independently configured application streams
A .NET unit-testing framework for C#, F#, and Visual Basic projects.
A container-level chaos tool for disrupting Docker, containerd and Podman workloads with lifecycle, network and resource faults.
Write JavaScript load tests and run them locally or send performance tests to Grafana Cloud.
A proxy-based API simulator that records traffic for repeatable tests without calling the real service each time.
Run command-line or Node.js accessibility checks against web pages and local HTML.
A PHP testing framework for unit tests, assertions, exceptions, and other application behavior.
Continuously runs .NET tests in Visual Studio or Rider and reports results as code changes.
Drive a chosen rate of HTTP requests and turn response samples into load-test reports.
Creates API and integration regression tests from API specifications or recorded application traffic.
Run Python tests with readable assertions, fixtures, parametrization, and failure reports.
Describe Java and Groovy tests as executable specifications with setup, action, and outcome blocks.
Write load-test scenarios as code and control the request rate sent to an application.
A concurrent test runner for JavaScript projects running on Node.js.
Add automated accessibility rule checks to an existing browser UI test flow.
Measure browser page-load and interaction performance with repeatable local or containerized runs.
A Java DSL for sending REST requests from tests and asserting response status and data.
Device-side encrypted email with identity-verification options