Nixflex - AI Voice Platform for Building AI Phone Agents

Connect a Slack incoming webhook to a phone number so Nixflex posts a summary to your Slack channel after each call. Configured per phone number.

Set the Slack webhook

string

required

The phone number in E.164 format (for example +447446466847), passed in the URL.

string

required

A Slack incoming webhook URL. Must be an https URL on hooks.slack.com.

curl -X PUT "https://api.nixflex.com/v1/integrations/slack/number/+447446466847" \
  -H "Authorization: Bearer nxf_xxx:nxfs_xxx" \
  -H "Content-Type: application/json" \
  -d '{"webhook_url": "https://hooks.slack.com/services/T000/B000/xxxx"}'

{
  "ok": true,
  "phone_number": "+447446466847"
}

Check the current state

curl -X GET "https://api.nixflex.com/v1/integrations/slack/number/+447446466847" \
  -H "Authorization: Bearer nxf_xxx:nxfs_xxx"

Remove the integration

curl -X DELETE "https://api.nixflex.com/v1/integrations/slack/number/+447446466847" \
  -H "Authorization: Bearer nxf_xxx:nxfs_xxx"

Notes

The number must belong to your account (matched on your API key). A number you do not own returns 404.
The webhook URL must be an https Slack incoming webhook (hooks.slack.com).
This setting is stored per phone number and persists until you change or remove it.
For the feature guide, see Slack.

API

Platform API

Slack integration

Set the Slack webhook

Check the current state

Remove the integration

Notes

​Set the Slack webhook

​Check the current state

​Remove the integration

​Notes

Set the Slack webhook

Check the current state

Remove the integration

Notes