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PATCH
/
api
/
v1
/
campaigns
/
{campaign_id}
/
sequences
/
{sequence_id}
curl -X PATCH "https://api.foxreach.io/api/v1/campaigns/cmp_abc123/sequences/seq_002" \
  -H "X-API-Key: otr_your_key" \
  -H "Content-Type: application/json" \
  -d '{
    "delayDays": 5,
    "subject": "Following up, {{firstName}}"
  }'

{
  "data": {
    "id": "seq_002",
    "campaignId": "cmp_abc123",
    "stepNumber": 2,
    "name": "Follow-up",
    "subject": "Following up, {{firstName}}",
    "body": "Hi {{firstName}},\n\nJust wanted to follow up...",
    "delayDays": 5,
    "delayHours": 0,
    "sendOnlyIfNoReply": true,
    "createdAt": "2025-01-10T08:05:00",
    "updatedAt": "2025-01-12T14:30:00"
  }
}

​
Path Parameters

​
campaign_id
string
required
The unique identifier of the campaign.
​
sequence_id
string
required
The unique identifier of the sequence step.

​
Body Parameters

All fields are optional. Only include fields you want to update.
​
subject
string
Email subject line. Supports template variables and spin syntax.
​
body
string
Email body content. Supports template variables and spin syntax.
​
name
string
Step name.
​
delayDays
integer
Days to wait after the previous step.
​
delayHours
integer
Additional hours to wait.
​
sendOnlyIfNoReply
boolean
Skip this step if lead has already replied.

​
Response

Returns the updated sequence step object. 
curl -X PATCH "https://api.foxreach.io/api/v1/campaigns/cmp_abc123/sequences/seq_002" \
  -H "X-API-Key: otr_your_key" \
  -H "Content-Type: application/json" \
  -d '{
    "delayDays": 5,
    "subject": "Following up, {{firstName}}"
  }'

{
  "data": {
    "id": "seq_002",
    "campaignId": "cmp_abc123",
    "stepNumber": 2,
    "name": "Follow-up",
    "subject": "Following up, {{firstName}}",
    "body": "Hi {{firstName}},\n\nJust wanted to follow up...",
    "delayDays": 5,
    "delayHours": 0,
    "sendOnlyIfNoReply": true,
    "createdAt": "2025-01-10T08:05:00",
    "updatedAt": "2025-01-12T14:30:00"
  }
}

​
Errors

StatusDescription
400Campaign is active — pause it first
400Invalid spin syntax in subject or body
404Sequence step not found
404Campaign not found

​
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.