Webhook Support

Polar

Billing & Invoicing

Polar is an open-source merchant-of-record platform for developers, providing payments, subscriptions, usage-based billing, and automated benefit delivery with lower fees than traditional al...

Paddle

Billing & Invoicing

Paddle is a merchant-of-record payment platform for SaaS companies that handles payment processing, subscription billing, global tax compliance, and fraud protection in a single unified solu...

Stripe Billing

Payment Processors

Stripe Billing is a flexible billing platform for subscription management, usage-based billing, invoicing, and revenue recovery that integrates with the full Stripe payments infrastructure.

Postmark

Marketing Automation

Postmark is a transactional email service focused on fast, reliable delivery of application-generated emails like password resets, order confirmations, and notifications.

FastSpring

Payment Processors

FastSpring is a full-service ecommerce platform and merchant of record for software companies handling global payments, tax, and subscription management.

Tally

Payment Processors

Tally is a free form builder with unlimited forms, submissions, and features including conditional logic, file uploads, and payment collection.

Customer.io

Customer Data Platforms

Customer.io is a customer engagement platform that enables marketing and product teams to send targeted, behavior-driven emails, push notifications, SMS, and in-app messages using real-time...

n8n

Database Tools

n8n is an open-source workflow automation platform that enables technical users to connect apps, APIs, and databases into automated workflows with a visual node-based editor and custom code...

Contentful

Form Builders

Contentful is a composable content platform that provides a headless CMS with APIs for delivering content to websites, apps, and any digital channel with enterprise-grade scalability.

Resend

Business Intelligence (BI)

Resend is a developer-first email API that provides reliable transactional email delivery with a modern SDK, React email components, and detailed analytics for web application teams.

Novu

CI/CD

Novu is an open-source notification infrastructure platform for managing multi-channel notifications across in-app, email, push, SMS, and chat from a unified API.

Make

Workflow Automation

Make (formerly Integromat) is a visual automation platform that connects over 2,000 apps with a drag-and-drop workflow builder. It provides advanced automation capabilities including conditi...

Discord

Communication & Collab

Discord is a communication platform for communities and teams offering voice, video, and text chat in organized servers, widely used by gaming communities, developer groups, open-source proj...

Inngest

CI/CD

Inngest is a durable workflow engine that enables developers to build reliable, event-driven applications with automatic retries, scheduling, fan-out, and step functions using standard TypeS...

Knock

API Management

Knock is a notification infrastructure platform that provides APIs for building and managing multi-channel notification systems across in-app, email, push, SMS, Slack, and other channels.

Loops

Customer Onboarding

Loops is a modern email platform built for SaaS companies, providing transactional emails, marketing campaigns, and automated sequences with a developer-friendly API and clean interface.

Chatwoot

Help & Customer Support

Chatwoot is an open-source, AI-powered customer support platform that provides omnichannel messaging, a shared inbox, and automation tools as an alternative to Intercom and Zendesk.

Pipedream

API Management

Pipedream is a developer-first integration platform that enables building workflows that connect APIs with built-in code steps, authentication management, and event-driven triggers.