Generate an HMAC key

https://management-test.adyen.com/v1/merchants/{merchantId}/webhooks/{webhookId}/generateHmac

Returns an HMAC key for the webhook identified in the path. This key allows you to check the integrity and the origin of the notifications you receive.By creating an HMAC key, you start receiving HMAC-signed notifications from Adyen. Find out more about how to verify HMAC signatures. To make this request, your API credential must have the following roles: * Management API—Webhooks read and write

Access Token Required: API Key

Path Parameters

merchantIdstringrequired

The unique identifier of the merchant account.

webhookIdstringrequired

Responses

{
  "success": true,
  "data": {
    "id": "abc123",
    "created_at": "2025-01-01T00:00:00Z"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid request parameters"
  }
}

Language

CredentialsAPI KEY

API Key

Enter token below to save for later

cURL Request

1curl --request POST \
2     --url 'https://management-test.adyen.com/v1/merchants/{merchantId}/webhooks/{webhookId}/generateHmac' \
3     --header 'accept: application/json' \
4     --header 'content-type: application/json'

Response

1{
2  "success": true,
3  "data": {
4    "id": "abc123",
5    "created_at": "2025-01-01T00:00:00Z"
6  }
7}

POST