ZeroBounce
zerobounce.netEmail-list validation with detailed status and sub-status classifications
Email-list validation with detailed status and sub-status classifications
Multi-account email marketing with shared designs and separate campaign data
Page-based questionnaires with routing, invitations, and response reports
Hosted form endpoints and a visual designer with response-based routing
Email journeys with waiting periods, fallback paths and frequency limits
Email automation triggered by visits to selected website pages
A TypeScript-friendly web framework that targets multiple JavaScript runtimes through Web Standards APIs.
Drive a chosen rate of HTTP requests and turn response samples into load-test reports.
A Python load-testing framework that models user behavior in code and scales traffic across workers.
Check website availability, content, response timing, APIs, and browser transactions from monitoring checkpoints.
Combine application error reports with external uptime checks and missed-job alerts.
Check a public service from outside and alert when its HTTP response stops meeting expectations.
Collect and analyze metrics, logs, and traces, then alert or automate a response to service problems.
Connect on-site signup widgets with contact segments and email workflows
Triggered email journeys with forms and flexible sending credits
Small-business email with signup forms and welcome automation
Survey research across email, websites and mobile apps
Campaign automation with mailbox-provider diagnostics and separate transactional capacity
Sogolytics' survey tool with decision questions and conditional follow-ups
Survey routes with editable logic maps and respondent-group quotas
A shared social calendar, team inbox and listening workspace
Form fields that capture URL parameters for source tracking and routes
Survey responses that trigger notifications, classification, and follow-up tasks
Newsletter tools for classifying bounces and correcting recipient data