Opening
This step-by-step tutorial will guide you through integrating with the SMASHSEND API. Learn how to authenticate, create resources, and handle responses.
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- Words
- 663
- Reading time
- 3 min
- Last crawled
- 2026-09-27
- Language
- EN
Prerequisites
Before starting, make sure you have: - A SMASHSEND account with API access - An API key (which you can get from your dashboard) - Basic understanding of REST APIs and HTTP requests
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Step 1: Authentication
All requests to the SMASHSEND API require authentication. You'll need to include your API key in the Authorization header of all HTTP requests.
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Step 2: Create a Contact
Let's create a new contact through the API.
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Step 3: Add Contact to a Campaign
Now that we have created a contact, let's add them to an existing campaign.
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Step 4: Set Up a Webhook
Setting up webhooks allows you to receive real-time notifications when events occur in your SMASHSEND account.
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Step 5: Handling Webhook Events
Here's an example of how to handle webhook events on your server (using Express.js):
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Next Steps
Now that you've learned the basics of integrating with the SMASHSEND API, here are some next steps: - Explore the Contacts API for more advanced contact management features - Learn about Contact properties API for creati
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