# Create Webhook Subscription

Create a new webhook subscription. If called with a marketplace API key, the subscription will be at the marketplace level.
If called with merchant credentials or if the Merchant-Id header is provided, the subscription will be at the merchant level.

Endpoint: POST /webhooks
Version: 3.0
Security: Marketplace API Key | Merchant Secret Token | Marketplace JWT | Merchant JWT

## Header parameters:

  - `Merchant-Id` (string)
    Perform operation in the context of the given merchant. Usually not required — specify only if acting on behalf of a merchant not implied by the credentials specified in the Authorization header.

## Response 400 fields (application/json):

  - `statusCode` (integer, required)
    HTTP status code for this error

  - `errorCode` (string, required)
    An April code providing a brief explanation of the underlying error. Use this if you wish to provide custom behaviour based on the error type.

  - `message` (string, required)
    Human readable description of the error

  - `tracer` (string)
    An unique identifier for the request. Provide this to the support team if you wish to query a particular error.

  - `detail` (string)
    Optional additional details for the error.

  - `errorTypeDescription` (string)
    A description of the category of errors for the given statusCode.

  - `metadata` (any)
    Optional key value list of metadata

## Response 401 fields (application/json):

  - `statusCode` (integer, required)
    HTTP status code for this error

  - `errorCode` (string, required)
    An April code providing a brief explanation of the underlying error. Use this if you wish to provide custom behaviour based on the error type.

  - `message` (string, required)
    Human readable description of the error

  - `tracer` (string)
    An unique identifier for the request. Provide this to the support team if you wish to query a particular error.

  - `detail` (string)
    Optional additional details for the error.

  - `errorTypeDescription` (string)
    A description of the category of errors for the given statusCode.

  - `metadata` (any)
    Optional key value list of metadata

## Response 403 fields (application/json):

  - `statusCode` (integer, required)
    HTTP status code for this error

  - `errorCode` (string, required)
    An April code providing a brief explanation of the underlying error. Use this if you wish to provide custom behaviour based on the error type.

  - `message` (string, required)
    Human readable description of the error

  - `tracer` (string)
    An unique identifier for the request. Provide this to the support team if you wish to query a particular error.

  - `detail` (string)
    Optional additional details for the error.

  - `errorTypeDescription` (string)
    A description of the category of errors for the given statusCode.

  - `metadata` (any)
    Optional key value list of metadata

## Response 404 fields (application/json):

  - `statusCode` (integer, required)
    HTTP status code for this error

  - `errorCode` (string, required)
    An April code providing a brief explanation of the underlying error. Use this if you wish to provide custom behaviour based on the error type.

  - `message` (string, required)
    Human readable description of the error

  - `tracer` (string)
    An unique identifier for the request. Provide this to the support team if you wish to query a particular error.

  - `detail` (string)
    Optional additional details for the error.

  - `errorTypeDescription` (string)
    A description of the category of errors for the given statusCode.

  - `metadata` (any)
    Optional key value list of metadata

## Response 405 fields (application/json):

  - `statusCode` (integer, required)
    HTTP status code for this error

  - `errorCode` (string, required)
    An April code providing a brief explanation of the underlying error. Use this if you wish to provide custom behaviour based on the error type.

  - `message` (string, required)
    Human readable description of the error

  - `tracer` (string)
    An unique identifier for the request. Provide this to the support team if you wish to query a particular error.

  - `detail` (string)
    Optional additional details for the error.

  - `errorTypeDescription` (string)
    A description of the category of errors for the given statusCode.

  - `metadata` (any)
    Optional key value list of metadata

## Response 406 fields (application/json):

  - `statusCode` (integer, required)
    HTTP status code for this error

  - `errorCode` (string, required)
    An April code providing a brief explanation of the underlying error. Use this if you wish to provide custom behaviour based on the error type.

  - `message` (string, required)
    Human readable description of the error

  - `tracer` (string)
    An unique identifier for the request. Provide this to the support team if you wish to query a particular error.

  - `detail` (string)
    Optional additional details for the error.

  - `errorTypeDescription` (string)
    A description of the category of errors for the given statusCode.

  - `metadata` (any)
    Optional key value list of metadata

## Response 409 fields (application/json):

  - `statusCode` (integer, required)
    HTTP status code for this error

  - `errorCode` (string, required)
    An April code providing a brief explanation of the underlying error. Use this if you wish to provide custom behaviour based on the error type.

  - `message` (string, required)
    Human readable description of the error

  - `tracer` (string)
    An unique identifier for the request. Provide this to the support team if you wish to query a particular error.

  - `detail` (string)
    Optional additional details for the error.

  - `errorTypeDescription` (string)
    A description of the category of errors for the given statusCode.

  - `metadata` (any)
    Optional key value list of metadata

## Response 422 fields (application/json):

  - `statusCode` (integer, required)
    HTTP status code for this error

  - `errorCode` (string, required)
    An April code providing a brief explanation of the underlying error. Use this if you wish to provide custom behaviour based on the error type.

  - `message` (string, required)
    Human readable description of the error

  - `tracer` (string)
    An unique identifier for the request. Provide this to the support team if you wish to query a particular error.

  - `detail` (string)
    Optional additional details for the error.

  - `errorTypeDescription` (string)
    A description of the category of errors for the given statusCode.

  - `metadata` (any)
    Optional key value list of metadata

## Response 429 fields (application/json):

  - `statusCode` (integer, required)
    HTTP status code for this error

  - `errorCode` (string, required)
    An April code providing a brief explanation of the underlying error. Use this if you wish to provide custom behaviour based on the error type.

  - `message` (string, required)
    Human readable description of the error

  - `tracer` (string)
    An unique identifier for the request. Provide this to the support team if you wish to query a particular error.

  - `detail` (string)
    Optional additional details for the error.

  - `errorTypeDescription` (string)
    A description of the category of errors for the given statusCode.

  - `metadata` (any)
    Optional key value list of metadata

## Response 500 fields (application/json):

  - `statusCode` (integer, required)
    HTTP status code for this error

  - `errorCode` (string, required)
    An April code providing a brief explanation of the underlying error. Use this if you wish to provide custom behaviour based on the error type.

  - `message` (string, required)
    Human readable description of the error

  - `tracer` (string)
    An unique identifier for the request. Provide this to the support team if you wish to query a particular error.

  - `detail` (string)
    Optional additional details for the error.

  - `errorTypeDescription` (string)
    A description of the category of errors for the given statusCode.

  - `metadata` (any)
    Optional key value list of metadata

## Response 503 fields (application/json):

  - `statusCode` (integer, required)
    HTTP status code for this error

  - `errorCode` (string, required)
    An April code providing a brief explanation of the underlying error. Use this if you wish to provide custom behaviour based on the error type.

  - `message` (string, required)
    Human readable description of the error

  - `tracer` (string)
    An unique identifier for the request. Provide this to the support team if you wish to query a particular error.

  - `detail` (string)
    Optional additional details for the error.

  - `errorTypeDescription` (string)
    A description of the category of errors for the given statusCode.

  - `metadata` (any)
    Optional key value list of metadata