Bulk Email Verification

Updated on May 23, 2025 Published on May 21, 2024

Current Limits for Bulk Email Verification:

  • The maximum limit for a single batch of email verification is 50,000 emails or fewer.
  • If you need to verify more than 50,000 emails, you can process them in multiple batches, with each batch containing no more than 50,000 emails.
  • You may submit up to three batches per day under this default limit.

    → Need a Higher Limit? This limit can be increased on a case-by-case basis. If you require a higher quota, please contact our team at [email protected] to request an increase.

    → Single Email Verification: There are no limits for single email verification—verify as many emails as you need, asynchronously!

For interactive web-based bulk email verification, the currently accepted file types are TXT, XLSX, and CSV. If you need access to additional file types, please request it Here. Ensure that your file contains only a single column or single row of email addresses.

The cost of email verification is $0.0001 per email. Ensure your account has sufficient balance for bulk email verification.

To verify bulk emails, Visit Here and follow these steps:

  • Get Your API Key – Obtain your Unify API key from Here and paste it into the API Section to validate your Dataoorts account.
  • Upload Your File – Select the file containing the Emails(Less than 50K)—Upload, then press Submit to begin processing.

Bulk Email Verification WebUI - Hosted in Hugging Face

  • Save Your Job ID – After initial checks, your batch job ID will be returned, and your email-file will enter the processing queue. Since this ID is volatile due to enhanced security, Ensure you Save it somewhere in secure place for fetching the job result.
  • Wait Briefly – Take a short break, Perhaps enjoy a cup of tea.
  • Retrieve Results – Visit Here, Enter your Unify API Key and job ID, and access the verified emails in JSON format, ready for download.

Bulk Email Verification WebUI - Hosted in Hugging Face

Developers: Bulk Email Verification API If you’re searching for an API, we also offer access to all our services with api, Including AI-powered bulk email verification. Get the API documentation Here.