Zapier

Zapier Workflow API enables building native automation experiences with OAuth 2.0 authentication (authorization code grant) and Client ID/Secret credentials.

API provides access to 7,000+ app integrations with endpoints for managing Zaps, templates, apps, connections, and workflows. Supports embedding Zap editor via iframe, customizing Zap templates with product branding, pre-filling user fields, and managing user Zaps programmatically. Developer Platform offers Platform UI (no-code) and Platform CLI (code-based) for building custom integrations. Code by Zapier supports Python/JavaScript snippets.

Webhooks app enables custom API requests. Requires published public app integration for full API access. Ideal for SaaS products needing embedded automation, workflow marketplaces, and native integration experiences with complete style control and seamless user experience.