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Connect Make to a phone number. Make supports two modes: a post-call webhook (after the call) and an in-call webhook (the AI calls it mid-conversation and waits for a response). You can set either or both. Configured per phone number.

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Set the Make webhooks

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phoneNumber
string
required
The phone number in E.164 format, passed in the URL.
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post_call_url
string
Make webhook called after the call ends. https only.
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in_call_url
string
Make webhook the AI calls during the call and waits for a JSON response. https only.
At least one of post_call_url or in_call_url is required.
curl -X PUT "https://api.nixflex.com/v1/integrations/make/number/+447446466847" \
  -H "Authorization: Bearer nxf_xxx:nxfs_xxx" \
  -H "Content-Type: application/json" \
  -d '{"post_call_url": "https://hook.make.com/xxxx", "in_call_url": "https://hook.make.com/yyyy"}'

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Check / remove

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

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

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Notes

  • The number must belong to your account. A number you do not own returns 404.
  • For the feature guide, see Zapier & Make.