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DELETE

Path Parameters

string
required
The unique identifier of the lead to delete.

Response

Returns a confirmation object.

Errors

This action is permanent and cannot be undone. The lead stops in every campaign it is enrolled in. If the same address is imported again later, it rejoins a campaign the next time that campaign is started or resumed (or when it is added again with POST /campaigns/{campaign_id}/leads), continuing from the step where it stopped. A campaign left with no leads to send is marked completed.

Rate Limit

  • 100 requests per minute, per API key. Fixed 60-second window.
  • Every response includes X-RateLimit-Limit, X-RateLimit-Remaining, and X-RateLimit-Reset (unix epoch seconds).
  • A 429 response includes a Retry-After header (seconds until the bucket resets).
For client-side patterns (Retry-After, exponential backoff, monitoring X-RateLimit-Remaining), see Rate Limiting.