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GET
/
api
/
v1
/
campaigns
/
{campaign_id}
/
sequences
curl "https://server.smartlead.ai/api/v1/campaigns/{campaign_id}/sequences?api_key=YOUR_KEY"

{
  "success": true,
  "data": [
    {
      "id": 1001,
      "created_at": "2026-02-10T10:30:00Z",
      "updated_at": "2026-02-10T10:30:00Z",
      "email_campaign_id": 123,
      "seq_number": 1,
      "subject": "Quick question about {{company_name}}",
      "email_body": "<p>Hi {{first_name}},</p><p>I noticed {{company_name}} is doing some interesting work...</p>",
      "sequence_variants": [
        {
          "id": 5001,
          "variant_name": "Variant A",
          "subject": "Quick question about {{company_name}}",
          "email_body": "<p>Hi {{first_name}},</p><p>I noticed {{company_name}} is doing some interesting work...</p>"
        }
      ]
    },
    {
      "id": 1002,
      "created_at": "2026-02-10T10:30:00Z",
      "updated_at": "2026-02-10T10:30:00Z",
      "email_campaign_id": 123,
      "seq_number": 2,
      "subject": "Re: Quick question about {{company_name}}",
      "email_body": "<p>Following up on my previous email...</p>",
      "sequence_variants": [
        {
          "id": 5002,
          "variant_name": "Variant A",
          "subject": "Re: Quick question about {{company_name}}",
          "email_body": "<p>Following up on my previous email...</p>"
        }
      ]
    }
  ]
}

Documentation Index

Fetch the complete documentation index at: https://api.smartlead.ai/llms.txt

Use this file to discover all available pages before exploring further.

Retrieves all email sequences configured for a campaign, ordered by sequence number Essential for sequence editors, email preview interfaces, A/B testing configuration, and understanding campaign flow

​
Overview

Retrieves all email sequences configured for a campaign, ordered by sequence number Key Features:
  • Returns complete sequence data including subject lines, email bodies (HTML/plain text), delay configurations, and A/B test variants if configured
  • Shows delayInDays for each sequence indicating spacing between emails
Includes sequence IDs required for updates

​
Path Parameters

​
campaign_id
number
required
The campaign ID

​
Query Parameters

​
api_key
string
required
Your SmartLead API key
curl "https://server.smartlead.ai/api/v1/campaigns/{campaign_id}/sequences?api_key=YOUR_KEY"

​
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,
  "data": [
    {
      "id": 1001,
      "created_at": "2026-02-10T10:30:00Z",
      "updated_at": "2026-02-10T10:30:00Z",
      "email_campaign_id": 123,
      "seq_number": 1,
      "subject": "Quick question about {{company_name}}",
      "email_body": "<p>Hi {{first_name}},</p><p>I noticed {{company_name}} is doing some interesting work...</p>",
      "sequence_variants": [
        {
          "id": 5001,
          "variant_name": "Variant A",
          "subject": "Quick question about {{company_name}}",
          "email_body": "<p>Hi {{first_name}},</p><p>I noticed {{company_name}} is doing some interesting work...</p>"
        }
      ]
    },
    {
      "id": 1002,
      "created_at": "2026-02-10T10:30:00Z",
      "updated_at": "2026-02-10T10:30:00Z",
      "email_campaign_id": 123,
      "seq_number": 2,
      "subject": "Re: Quick question about {{company_name}}",
      "email_body": "<p>Following up on my previous email...</p>",
      "sequence_variants": [
        {
          "id": 5002,
          "variant_name": "Variant A",
          "subject": "Re: Quick question about {{company_name}}",
          "email_body": "<p>Following up on my previous email...</p>"
        }
      ]
    }
  ]
}

​
Response Fields

​
id
number
Sequence ID
​
seq_number
number
Sequence position (1, 2, 3, etc.)
​
subject
string
Email subject line (can include variables)
​
email_body
string
Email content (HTML or plain text)
​
seq_delay_details
object
Delay configuration

​
Implementation Details

Returns sequences ordered by seq_number. Includes variant information if A/B testing is configured. Response Format: array