Webhook_Config Not Sending Alerts to endpoint

[Suvendu Nayak]

We have created a custom webhook url. This url supposed to Post message in slack (Not using slack web hook, rather custom webhook). I see from the alertmanager log, the message has been sent successfully but I do not see the delivery of message in slack. Being new to webhook posting the message here.

Config

• name: webhookD
  webhook_configs:
  • send_resolved: true
    url: https://webhookurl
    http_config:
    proxy_url: "http://proxyhost:port"

Logs

ts=2025-02-25T06:02:32.420Z caller=notify.go:757 level=debug component=dispatcher receiver=webhookD integration=webhook[0] aggrGroup="{}/{alertname=~"TEST_Node_Exporter_Down|OracleDB_Down|DiskUsage"}:{alertname="TEST_Node_Exporter_Down"}" alerts="[TEST_Node_Exporter_Down[bb32ee2][active] TEST_Node_Exporter_Down[945b900][active] TEST_Node_Exporter_Down[3cee587][active] TEST_Node_Exporter_Down[7e61bc9][active]]" msg="Notify success" attempts=1

[Brian Candler]

Since alertmanager is successfully delivering to the webhook, it's up to you to work out why your webhook isn't delivering the message to slack.

This is nothing to do with alertmanager or prometheus - entirely your custom code.