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SMASHSEND Flow Webhooks - Trigger Automations with HTTP Requests

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Home / Docs / Flows / Webhooks Flow webhooks allow you to trigger SMASHSEND automation flows from external applications using simple HTTP POST requests. This enables you to integrate SMASHSEND with any system that can ma

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Getting Started

1 Create a Webhook Trigger Flow In your SMASHSEND workspace, create a new automation flow and select "Webhook" as your trigger. This will generate a unique webhook URL for your flow. 2 Copy Your Webhook URL Your webhook

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Key Features

🔒 Secure & Reliable All webhook URLs are unique and secure. SMASHSEND handles retries and error handling automatically. 📨 Email Required Every webhook request must include an 'email' field to identify the contact for t

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Common Use Cases

E-commerce Integration: Trigger welcome emails when customers sign up on your website - Form Submissions: Start nurture sequences when users submit contact forms - CRM Integration: Sync new leads from your CRM to SMASHSE

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Response Format

Successful webhook calls return a 200 status code with a JSON response: If there's an error, you'll receive an appropriate HTTP status code with error details:

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Troubleshooting

Common Issues: - 400 Bad Request: Missing required 'email' field or invalid JSON format - 404 Not Found: Invalid flow ID or workspace ID in the URL - 405 Method Not Allowed: Make sure you're using POST, not GET - 500 Ser

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