Authentication

All requests to the API are authenticated by providing your API key. The API key should be provided as an HTTP header named Api-Token.

curl -H "Api-Token: YOUR_TOKEN" https://account.api-us1.com/api/3/

Your API key can be found in your account on the Settings page under the "Developer" tab. Each user in your ActiveCampaign account has their own unique API key.

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Remember to keep your API key secret. Do not share it and take care not to expose it publicly in client-side code.