PagerDuty Integration Error: HTTP 400 Error when creating incident

Hi ​@hmd, 

When we were initially integrating with PD we had the same issue - the main problem was the difference between V1 and V2 APIs as the PD integration from the marketplace doesn’t use the latest API calls. To solve it I had to create a new action for the V2 API. I’ve included the custom action below - this works for my environment, YMMV:

from SiemplifyAction import SiemplifyAction
from SiemplifyUtils import unix_now, convert_unixtime_to_datetime, output_handler
from ScriptResult import EXECUTION_STATE_COMPLETED, EXECUTION_STATE_FAILED,EXECUTION_STATE_TIMEDOUT
import requests

@output_handler
def main():
    siemplify = SiemplifyAction()

    routing_key = siemplify.extract_action_param("Routing Key", print_value=False)
    event_action = siemplify.extract_action_param("Event Action", print_value=True)
    source = siemplify.extract_action_param("Source", print_value=True)
    severity = siemplify.extract_action_param("Severity", print_value=True)
    summary = siemplify.extract_action_param("Summary", print_value=True)

    # https://developer.pagerduty.com/api-reference/368ae3d938c9e-send-an-event-to-pager-duty
    url = "https://events.pagerduty.com/v2/enqueue"

    payload = {
        "payload": {
            "summary": summary,
            "severity": severity,
            "source": source,
        },
        "routing_key": routing_key,
        "event_action": event_action
    }
    headers = {
        "Content-Type": "application/json",
        "Accept": "application/json"
    }

    response = requests.post(url, json=payload, headers=headers)
    siemplify.LOGGER.info('API Response: ' + response.text)

    # If we see the string 'message' in the response, assume it completed. If not, then
    #  error out with the details provided by the API.
    if 'message' in response.text:
        status = 0
        output_message = "Event sent to PagerDuty"
        siemplify.result.add_result_json(response.text)
        result_value = "Event sent to PagerDuty"
    else:
        status = 2
        output_message = response.text
        result_value = response.text

    siemplify.LOGGER.info("\n  status: {}\n  result_value: {}\n  output_message: {}".format(status,result_value, output_message))
    siemplify.end(output_message, result_value, status)


if __name__ == "__main__":
    main()

In terms of event actions, it was a list with the following values:
 

Severity had a similar list:

Hope this helps!