Data enrichment

Webhook

An automated HTTP callback that sends real-time data from one application to another when a specific event occurs.

Tomba Team
March 23, 2026

A webhook is an HTTP callback mechanism that allows one application to send real-time data to another when a specified event takes place. Unlike APIs where you must repeatedly request data (polling), webhooks push information to you automatically the moment something happens. This makes them ideal for building responsive, event-driven workflows in sales and marketing technology stacks.

In B2B sales operations, webhooks connect the various tools in your tech stack so they work together seamlessly. For example, when a new lead is captured in a web form, a webhook can instantly trigger an email verification check, enrich the contact record with additional data, and notify the assigned sales rep all in real time. This eliminates delays between lead capture and follow-up, which is critical since response speed directly impacts conversion rates.

Webhooks are particularly valuable when integrating email finding and verification tools into existing workflows. This creates a frictionless pipeline from lead capture to outreach without manual intervention.

Key Points

  • Webhooks push data automatically when events occur, unlike APIs that require polling
  • They enable real-time integration between sales and marketing tools
  • Webhooks eliminate manual steps in lead processing and accelerate speed to contact

Best Practices

  • Implement proper authentication and validation for incoming webhook payloads to ensure security
  • Build retry logic and error handling to manage failed webhook deliveries gracefully
  • Log all webhook events for debugging and auditing purposes

Free Tools

Start finding verified emails today

Join 150,000+ professionals who trust Tomba for accurate contact data. No credit card required.