ActiveCampaign API
ActiveCampaign's REST API for email marketing automation, CRM, contact management, deal pipelines, and customer journey automation for SMBs.
72
Marketo REST API
Adobe Marketo Engage REST API for B2B marketing automation, lead management, email campaigns, scoring, and integration with CRM systems.
65
Salesforce Marketing Cloud API
Salesforce Marketing Cloud API for email/SMS marketing automation, customer journey orchestration, subscriber management, and campaign analytics across digital marketing channels.
62