Webhooks

• Append the timestamp to the request body separated by a . (e.g. 17301212441.{"notificationType"="CUSTOMER_CREATED", ...})
• Hash the result using HMAC-SHA256 with the secret key
• Compare the resulting hash with the secret in the sequence-signature header

• Dashboard
• API

--request POST \

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  --url https://eu.sequencehq.com/api/notifications/policies \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: application/json' \
  --data '{
  "name": "Dev team integration webhooks",
  "recipients": [
    "https://api.company.com/webhooks"
  ],
  "channel": "WEBHOOK"
}'

The JSON payload will be in this format:

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{
  notificationType: string;
  sequenceAccountId: string; 
  resourceType?: string;
  resourceId?: string;
  resource?: Record<string, any>;
}

​

Event types

• CUSTOMER_CREATED
• CUSTOMER_UPDATED
• CUSTOMER_ARCHIVED
• INVOICE_CREATED
• INVOICE_ISSUED
• INVOICE_UPDATED
• MERCHANT_UPDATED
• BILLING_SCHEDULE_CREATED
• BILLING_SCHEDULE_UPDATED
• BILLING_SCHEDULE_ARCHIVED
• CREDIT_NOTE_CREATED
• CREDIT_NOTE_UPDATED
• CREDIT_NOTE_ISSUED
• QUOTE_PUBLISHED
• QUOTE_ACCEPTED