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The DeBounce API enables accurate email validation, verification, and enrichment at scale. It is built for developers who need reliable email quality checks inside applications, CRMs, signup flows, and automated workflows.

🚀 Quick Start

Get up and running in 5 minutes

📚 API Reference

Complete endpoint documentation

🔐 Authentication

Secure API access guide

⚡ Rate Limits

Understand usage limits

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What you can do with this API

Validate a single email
Check if an email is deliverable, risky, disposable, or part of a catch-all domain.
Process bulk lists
Upload large lists and retrieve validation results asynchronously.
Enrich contact data
Retrieve metadata such as name, gender, and email attributes when available.
Monitor usage
Access account usage, credit balance, and validation statistics programmatically.

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How it works

1

Get your API key

Log in to your DeBounce dashboard to access your private API key.
2

Send requests

Use the appropriate API endpoint for single email validation, bulk processing, or enrichment.
3

Handle responses

Each API call returns a structured JSON response containing status details and metadata.

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Quick Example

curl "https://api.debounce.io/v1/?email=user@example.com&api_key=YOUR_API_KEY"
Response: 
{
  "debounce": {
    "email": "testemail@gmail.com",
    "code": "5",
    "role": "false",
    "free_email": "true",
    "result": "Safe to Send",
    "reason": "Deliverable",
    "send_transactional": "1",
    "did_you_mean": ""
  },
  "success": "1",
  "balance": "14999"
}

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Before you start

  • You will need an API key tied to your DeBounce account
  • Each feature has its own endpoint and response structure
  • Validation speed depends on usage tier and selected methods
  • Bulk processing workflows operate asynchronously

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Next steps

  • Learn about Authentication
  • Explore Single Email Validation
  • Review Bulk Upload processing
  • Check Enrichment features