# Sumup API key guide

How to Locate Your SumUp API Key and Merchant ID

# Step 1: Log In to the SumUp Developer Dashboard

1\. Navigate to https://developer.sumup.com/.  
2\. Click on 'Log In' and enter your merchant credentials to access your dashboard.

# Step 2: Navigate to the Settings Section

1\. Once logged in, click on 'Account' in the top navigation menu.  
2\. Select 'Settings' from the dropdown menu.

[![image.png](https://knowledgebase.dome-marketplace.eu/uploads/images/gallery/2025-12/scaled-1680-/URbimage.png)](https://knowledgebase.dome-marketplace.eu/uploads/images/gallery/2025-12/URbimage.png)

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# Step 3: Navigate to the For developers – Toolkit section

<span style="mso-fareast-font-family: Cambria; mso-fareast-theme-font: minor-latin; mso-bidi-font-family: Cambria; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">1.<span style="font: 7.0pt 'Times New Roman';"> </span></span></span>Select 'Toolkit'.

[![image.png](https://knowledgebase.dome-marketplace.eu/uploads/images/gallery/2025-12/scaled-1680-/J2aimage.png)](https://knowledgebase.dome-marketplace.eu/uploads/images/gallery/2025-12/J2aimage.png)

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# Step 4: Navigate to the API Keys section

<span style="mso-fareast-font-family: Cambria; mso-fareast-theme-font: minor-latin; mso-bidi-font-family: Cambria; mso-bidi-theme-font: minor-latin;"><span style="mso-list: Ignore;">1.<span style="font: 7.0pt 'Times New Roman';"> </span></span></span>Select 'API Keys'.

[![image.png](https://knowledgebase.dome-marketplace.eu/uploads/images/gallery/2025-12/scaled-1680-/djGimage.png)](https://knowledgebase.dome-marketplace.eu/uploads/images/gallery/2025-12/djGimage.png)

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# Step 5: Generate or View Your API Key

1\. In the API Keys section, you can view existing keys or generate a new one by clicking on 'Create'.  
2\. Provide a name for your API key and assign the necessary permissions.  
3\. Click 'Save' to generate the key.  
4\. Copy the generated API key and store it securely.

[![image.png](https://knowledgebase.dome-marketplace.eu/uploads/images/gallery/2025-12/scaled-1680-/8jKimage.png)](https://knowledgebase.dome-marketplace.eu/uploads/images/gallery/2025-12/8jKimage.png)

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# Step 5: Locate Your Merchant ID

1\. While still in the dashboard, click on 'Account' in the top navigation menu.  
2\. Select 'Settings' from the dropdown menu.  
3\. Your Merchant ID will be listed under your account details and also on the top right corner under your account name.

[![image.png](https://knowledgebase.dome-marketplace.eu/uploads/images/gallery/2025-12/scaled-1680-/lYSimage.png)](https://knowledgebase.dome-marketplace.eu/uploads/images/gallery/2025-12/lYSimage.png)

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# Important Security Notes

\- Do not share your API key publicly or include it in client-side code.  
\- Store your keys in a secure location, such as environment variables or a secure credentials manager.  
\- If you suspect your keys have been compromised, revoke them immediately and generate new ones.  
  
For more detailed information, refer to SumUp's official documentation: https://developer.sumup.com/