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Authentication

string
required
Your API key

Body

string[]
required
List of email addresses to search.
  • Minimum: 1 email
  • Maximum: 5000 emails
  • Invalid emails are automatically filtered out
Example: ["john@company.com", "jane@startup.io"]
any
Custom data to associate with this bulk search. Will be returned in the webhook if configured.
object
Optional search configuration.

Response

string
required
Unique bulk search identifier. Use it with GET /reverse-contact/bulk to retrieve results.
number
required
Number of valid emails that will be searched (after filtering invalid emails).
number
required
Total credits consumed (50 × number of emails).
string
required
Confirmation message.

Email validation

Emails are validated before processing:
  • Invalid emails are automatically excluded
  • Emails are normalized to lowercase
  • If no valid emails remain after filtering, a 400 error is returned
For large volumes, split your requests into batches of 5000 emails maximum.

Next step

Retrieve results

Use the returned ID to track progress and get the found profiles.