> ## Documentation Index
> Fetch the complete documentation index at: https://docs.mailofly.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Add Batch Suppressions

> Bulk add multiple email addresses to the suppression list.

Import and block an array of email addresses in a single API call.

### Body Parameters

<ParamField body="suppressions" type="array" required>
  List of suppression entries to add.

  <Expandable title="properties">
    <ParamField body="email" type="string" required>
      The email address to suppress.
    </ParamField>

    <ParamField body="reason" type="string">
      Reason (e.g. `manual`, `bounce`, `complaint`).
    </ParamField>
  </Expandable>
</ParamField>

### Response

<ResponseField name="data" type="object">
  <ResponseField name="added" type="number">Number of email addresses added.</ResponseField>
  <ResponseField name="suppressions" type="array">List of newly created records.</ResponseField>
</ResponseField>

<RequestExample>
  ```bash cURL theme={null}
  curl -X POST https://api.mailofly.com/api/v1/suppressions/batch \
    -H "Authorization: Bearer mf_live_your_api_key" \
    -H "Content-Type: application/json" \
    -d '{
      "suppressions": [
        { "email": "user1@domain.invalid", "reason": "bounce" },
        { "email": "user2@domain.invalid", "reason": "complaint" }
      ]
    }'
  ```
</RequestExample>

<ResponseExample>
  ```json 201 Created theme={null}
  {
    "data": {
      "added": 2,
      "suppressions": [
        {
          "id": "sup_1",
          "email": "user1@domain.invalid",
          "reason": "bounce",
          "created_at": "2026-09-11T14:00:00Z"
        },
        {
          "id": "sup_2",
          "email": "user2@domain.invalid",
          "reason": "complaint",
          "created_at": "2026-09-11T14:00:00Z"
        }
      ]
    }
  }
  ```
</ResponseExample>


## Related topics

- [Remove Batch Suppressions](/api/suppressions/remove-batch-suppressions.md)
- [Add Suppression](/api/suppressions/add-suppression.md)
- [Email Suppressions](/sending/email-suppressions.md)
- [Managing the Suppression List](/guides/deliverability/managing-the-suppression-list.md)
- [Batch Sending](/sending/batch-sending.md)