Generate an HMAC key

post/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

Endpoint destination URL

https://management-test.adyen.com/v3/merchants/{merchantId}/webhooks/{webhookId}/generateHmac

Path Parameters

Required

Optional

The unique identifier of the merchant account.

Response parameters

After submitting a call, you receive a response message to inform you that your request was received and processed.

Depending on the HTTP status code of the response message, it is helpful to build some logic to handle any errors that a request or the system may return.

HTTP Responses

200 - OK
The request has succeeded.
Show more Show less
hmacKeystring
The HMAC key generated for this webhook.
204 - No Content
The request has been successfully processed, but there is no additional content.
400 - Bad Request
A problem reading or understanding the request.
Show more Show less
detailstring
A human-readable explanation specific to this occurrence of the problem.
errorCodestring
A code that identifies the problem type.
instancestring
A unique URI that identifies the specific occurrence of the problem.
invalidFieldsarray[object]
Detailed explanation of each validation error, when applicable.
Show children Hide children
messagestring
Description of the validation error.
namestring
The field that has an invalid value.
valuestring
The invalid value.
requestIdstring
A unique reference for the request, essentially the same as pspReference.
responseobject
JSON response payload.
statusinteger
The HTTP status code.
titlestring
A short, human-readable summary of the problem type.
typestring
A URI that identifies the problem type, pointing to human-readable documentation on this problem type.
401 - Unauthorized
Authentication required.
Show more Show less
detailstring
A human-readable explanation specific to this occurrence of the problem.
errorCodestring
A code that identifies the problem type.
instancestring
A unique URI that identifies the specific occurrence of the problem.
invalidFieldsarray[object]
Detailed explanation of each validation error, when applicable.
Show children Hide children
messagestring
Description of the validation error.
namestring
The field that has an invalid value.
valuestring
The invalid value.
requestIdstring
A unique reference for the request, essentially the same as pspReference.
responseobject
JSON response payload.
statusinteger
The HTTP status code.
titlestring
A short, human-readable summary of the problem type.
typestring
A URI that identifies the problem type, pointing to human-readable documentation on this problem type.
403 - Forbidden
Insufficient permissions to process the request.
Show more Show less
detailstring
A human-readable explanation specific to this occurrence of the problem.
errorCodestring
A code that identifies the problem type.
instancestring
A unique URI that identifies the specific occurrence of the problem.
invalidFieldsarray[object]
Detailed explanation of each validation error, when applicable.
Show children Hide children
messagestring
Description of the validation error.
namestring
The field that has an invalid value.
valuestring
The invalid value.
requestIdstring
A unique reference for the request, essentially the same as pspReference.
responseobject
JSON response payload.
statusinteger
The HTTP status code.
titlestring
A short, human-readable summary of the problem type.
typestring
A URI that identifies the problem type, pointing to human-readable documentation on this problem type.
422 - Unprocessable Entity
A request validation error.
Show more Show less
detailstring
A human-readable explanation specific to this occurrence of the problem.
errorCodestring
A code that identifies the problem type.
instancestring
A unique URI that identifies the specific occurrence of the problem.
invalidFieldsarray[object]
Detailed explanation of each validation error, when applicable.
Show children Hide children
messagestring
Description of the validation error.
namestring
The field that has an invalid value.
valuestring
The invalid value.
requestIdstring
A unique reference for the request, essentially the same as pspReference.
responseobject
JSON response payload.
statusinteger
The HTTP status code.
titlestring
A short, human-readable summary of the problem type.
typestring
A URI that identifies the problem type, pointing to human-readable documentation on this problem type.
500 - Internal Server Error
The server could not process the request.
Show more Show less
detailstring
A human-readable explanation specific to this occurrence of the problem.
errorCodestring
A code that identifies the problem type.
instancestring
A unique URI that identifies the specific occurrence of the problem.
invalidFieldsarray[object]
Detailed explanation of each validation error, when applicable.
Show children Hide children
messagestring
Description of the validation error.
namestring
The field that has an invalid value.
valuestring
The invalid value.
requestIdstring
A unique reference for the request, essentially the same as pspReference.
responseobject
JSON response payload.
statusinteger
The HTTP status code.
titlestring
A short, human-readable summary of the problem type.
typestring
A URI that identifies the problem type, pointing to human-readable documentation on this problem type.

Generate an HMAC key

Path Parameters

Response parameters

HTTP Responses

200 - OK

204 - No Content

400 - Bad Request

401 - Unauthorized

403 - Forbidden

422 - Unprocessable Entity

500 - Internal Server Error