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Comprehensive domain and email block list management GET retrieves paginated block list with filtering by client assignment and search terms

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Overview

Comprehensive domain and email block list management Key Features:
  • Returns blocked entries with: email/domain, source (manual/bounce/spam), creation date, client association

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Get Domain Block List

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GET /v1/leads/get-domain-block-list

Retrieves entries from your domain block list with pagination. Query Parameters:
  • api_key (required): Your API key
  • offset (optional, default: 0): Pagination offset
  • limit (optional, default: 100, max: 1000): Number of records
curl "https://server.smartlead.ai/api/v1/leads/get-domain-block-list?api_key=YOUR_KEY&offset=0&limit=100"

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Response Codes

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200
Success
Request successful
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400
Bad Request
Invalid request parameters or malformed request body
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401
Unauthorized
Invalid or missing API key. Check your authentication.
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404
Not Found
The requested resource (campaign, lead, email account, etc.) does not exist or you don’t have access to it
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422
Validation Error
Request validation failed. Check parameter types, required fields, and value constraints.
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429
Rate Limit Exceeded
Too many requests. Please slow down and retry after the rate limit resets.
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500
Internal Server Error
Server error occurred. Please try again or contact support if the issue persists.
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503
Service Unavailable
API is temporarily unavailable or under maintenance. Please try again later.
[
  {
    "id": 228361167,
    "email_or_domain": "competitor.com",
    "created_at": "2025-11-25T12:38:45.193Z",
    "source": "Smartlead.ai Bounce Detection",
    "client_id": null
  }
]

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Add to Block List

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POST /v1/leads/add-domain-block-list

Adds domains or email addresses to the global block list. Query Parameters:
  • api_key (required): Your API key
Request Body:
  • domain_block_list (required): Array of domains/emails to block
  • client_id (optional): Associate with specific client
curl -X POST "https://server.smartlead.ai/api/v1/leads/add-domain-block-list?api_key=YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "domain_block_list": ["competitor.com", "spam@example.com"],
    "client_id": null
  }'

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Response Codes

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200
Success
Request successful
​
400
Bad Request
Invalid request parameters or malformed request body
​
401
Unauthorized
Invalid or missing API key. Check your authentication.
​
404
Not Found
The requested resource (campaign, lead, email account, etc.) does not exist or you don’t have access to it
​
422
Validation Error
Request validation failed. Check parameter types, required fields, and value constraints.
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429
Rate Limit Exceeded
Too many requests. Please slow down and retry after the rate limit resets.
​
500
Internal Server Error
Server error occurred. Please try again or contact support if the issue persists.
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503
Service Unavailable
API is temporarily unavailable or under maintenance. Please try again later.
{
  "success": true,
  "message": "3 entries added to block list"
}

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Delete from Block List

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DELETE /v1/leads/delete-domain-block-list/:block_list_id

Removes an entry from the block list. Path Parameters:
  • block_list_id (required): ID of the block list entry to delete
Query Parameters:
  • api_key (required): Your API key
curl -X DELETE "https://server.smartlead.ai/api/v1/leads/delete-domain-block-list/123?api_key=YOUR_KEY"

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Response Codes

​
200
Success
Request successful
​
400
Bad Request
Invalid request parameters or malformed request body
​
401
Unauthorized
Invalid or missing API key. Check your authentication.
​
404
Not Found
The requested resource (campaign, lead, email account, etc.) does not exist or you don’t have access to it
​
422
Validation Error
Request validation failed. Check parameter types, required fields, and value constraints.
​
429
Rate Limit Exceeded
Too many requests. Please slow down and retry after the rate limit resets.
​
500
Internal Server Error
Server error occurred. Please try again or contact support if the issue persists.
​
503
Service Unavailable
API is temporarily unavailable or under maintenance. Please try again later.
{
  "success": true,
  "message": "Entry deleted successfully"
}