# Activate (send) a payment request

Endpoint: PUT /payment_requests/{id}:activate
Version: 1.0.0
Security: Biller Access Token (Staging), Biller Access Token (Production)

## Path parameters:

  - `id` (string, required)
    The id of the payment request

## Request fields (application/json):

  - `collectionMethod` (string)
    How the payment is expected to be collected for this invoice.. 
Possible values (non-exclusive): ONE_TIME_PAYMENT, DIRECT_DEBIT_PAYMENT, NONE

  - `customMessage` (string)
    An optional message that will be sent to the customer when the invoice is activated.

  - `templateId` (string)
    The schedule template id used for sending the invoice to customer.


## Response 200 fields

## Response 400 fields

## Response 404 fields