Need Help with Zapier Webhook Setup for Downloading Activities

[MedTechCD]

Please be moer specific about your issues.
Could just be the fact that Intervals has your activities from Strava in which case Intervals is not allowed to forward them through the API.
If authentication is your issue, use GET with user ‘API_KEY’ (this exact string and not your API key) and your API-key as password. The AthleteID goes in the weblink.
More details here

API access to Intervals.icu

Intervals.icu now has a public API for other applications. To use it you need to generate an API key in /settings (look for “Developer Settings” near the bottom). Your API key allows other applications to access your Intervals.icu data. Be careful what you do with it! If you suspect that your key may have been compromised immediately clear or re-generate it. The API uses basic authentication for personal use. The username is “API_KEY” and the password your API key. Example using curl: $ curl -…