## Marketing Cloud Integrations

### API 8
- [Getting Started](https://help.optilyz.com/en/support/solutions/articles/43000050308-getting-started)
- [Finding your API key](https://help.optilyz.com/en/support/solutions/articles/43000720785-finding-your-api-key)
- [API Documentation](https://help.optilyz.com/en/support/solutions/articles/43000016594-api-documentation)
- [ActiveCampaign](https://help.optilyz.com/en/support/solutions/articles/43000635424-activecampaign)
- [Apteco](https://help.optilyz.com/en/support/solutions/articles/43000620942-apteco)

### Emarsys 4
- [Emarsys](https://help.optilyz.com/en/support/solutions/articles/43000016590-emarsys)
- [Emarsys: Offline Mail Opt-In - Who can I write to by direct mail?](https://help.optilyz.com/en/support/solutions/articles/43000618594-emarsys-offline-mail-opt-in-who-can-i-write-to-by-direct-mail-)
- [⏯ Emarsys](https://help.optilyz.com/en/support/solutions/articles/43000491304-%E2%8F%AF-emarsys)
- [Vouchers in Emarsys](https://help.optilyz.com/en/support/solutions/articles/43000698690-vouchers-in-emarsys)

### Salesforce Marketing Cloud 2
- [Salesforce Marketing Cloud](https://help.optilyz.com/en/support/solutions/articles/43000492117-salesforce-marketing-cloud)
- [ Salesforce Marketing Cloud](https://help.optilyz.com/en/support/solutions/articles/43000016593--%E2%96%B6-salesforce-marketing-cloud)

### Webhooks 1
- [optilyz Webhooks](https://help.optilyz.com/en/support/solutions/articles/43000599278-optilyz-webhooks)