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Push customer segment data from your CDP platform to Lemrock via webhook.

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Destination URL

POST https://api.lemrock.com/v1/cdp/webhook/segment-updates

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Required Headers

Authorization: Bearer <LEMROCK_API_KEY>
Content-Type: application/json

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Webhook Configuration

Configure your CDP platform to send POST requests to the endpoint above when segment memberships change.

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Payload Format

{
  "source": "your-cdp-platform-name",
  "timestamp": "2025-11-07T16:20:35Z",
  "customers": [
    {
      "customer_id": "C12345",
      "email_sha256": "d2c2a1...",
      "segments": ["seg_high_value", "seg_active"],
      "attributes": {
        "loyalty_tier": "GOLD",
        "points_balance": 12450
      }
    }
  ]
}

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Identity Keys

Include at least one identifier per customer:
  • customer_id - Your internal customer ID
  • email_sha256 - SHA-256 hash of lowercase trimmed email (hex format)

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Response

{ "accepted": true, "processed": 1 }

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Identity Rules

FieldTypeNotes
customer_idstringStable retailer customer ID (primary key)
email_sha256stringLowercase email → SHA-256 → hex
segments[]array<string>Segment IDs or names
attributesobjectOptional custom attributes
  • email_sha256 = SHA-256 of lowercase trimmed email, hex
  • Use customer_id as primary key when available
  • attributes object can contain any custom fields relevant to your use case