Developer Guide

REST API, webhooks, customization, extending source code, plugins

AcelleMail Webhook Signature Verification and Replay Protection

When you receive a webhook from AcelleMail (or AcelleMail receives one from a third-party event source like Meta), the receiver has no built-in trust that the request came from where it claims. This guide walks the HMAC-SHA256 signature ver...

May 19, 2026 11 min read Advanced Acellemail 5 15

Developer Guide

Getting Started with the AcelleMail REST API

AcelleMail ships a REST API that exposes nearly every operation the admin UI offers — create lists, add subscribers, send campaigns, fire automations, read reports. This guide walks the 4 things you need to make your first successful API ca...

Mar 27, 2026 8 min read Intermediate Acellemail 6 17

Developer Guide

Extending AcelleMail Source Code

When the REST API + webhooks aren't enough, AcelleMail's open Laravel codebase lets you extend it directly — add custom fields, integrate a custom sending provider, listen to internal events, override Blade views. This guide walks the upgra...

Mar 22, 2026 10 min read Advanced Acellemail 2 8

Developer Guide

Webhook Events Reference

AcelleMail has three distinct webhook systems — customer-lifecycle webhooks (SaaS billing events), per-campaign webhooks (open/click/bounce on a specific campaign), and inbound webhooks from sending providers (SES SNS, Mailgun events). This...

Mar 22, 2026 9 min read Intermediate Acellemail 6 17

Developer Guide

REST API Authentication and Endpoints

The complete reference for AcelleMail's REST API — all resources, all routes, the per-endpoint request/response shapes, and the scoping rules. Use this alongside the getting-started guide; this article is the lookup table.

Mar 3, 2026 10 min read Intermediate Acellemail 2 8

AcelleMail Webhook Signature Verification and Replay Protection

Getting Started with the AcelleMail REST API

Extending AcelleMail Source Code

Webhook Events Reference

REST API Authentication and Endpoints

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