# ActiveCampaign — CRM API: guides

> Canonical URL: https://developers.apideck.com/apis/crm/activecampaign/guides

- **title:** Authentication
- **source:** ActiveCampaign
- **url:** https://developers.activecampaign.com/reference/authentication
- **title:** Base URL
- **source:** ActiveCampaign
- **url:** https://developers.activecampaign.com/reference/url
- **source:** ActiveCampaign
- **title:** Rate limits
- **url:** https://developers.activecampaign.com/reference/rate-limits

[API reference](https://developers.apideck.com/apis/crm/reference.md) · [Coverage matrix](https://developers.apideck.com/apis/crm/coverage)