The MailWebhook Blog
Insights for developers building with email
Tutorials, product notes, engineering deep-dives, and operations insights on webhooks, email automation, and developer workflows.
Latest Posts
View allIdempotency Keys for Email Webhook Automation: Making Retries Safe for APIs
Idempotency keys make email webhook automation safe for API retries. Use this delivery model to prevent duplicate bus...
Reliable Webhook Delivery Best Practices: Why Boring Is the Right Standard
Reliable webhook delivery starts with exact bodies, clear content types, stable headers, and explicit retry behavior ...
Declarative JSON Transformation Rules for Email: Flexible Mapping Without Custom Code
Declarative JSON transformation rules help technical leaders add more transformation power without creating another s...
Custom Webhook Payload Mapping for Email: Shaping Data for Your Application
When a generic email webhook payload creates translation work in every downstream system, custom webhook payload mapp...
Webhook JSON Payload Structure: Why a Stable Contract Is the Right Default
A stable webhook JSON payload structure gives email webhook payload schema design a safer path from inbound email to ...
Email Data Normalization for Automation: Why Reliability Starts Here
If two copies of the same email can produce two different payloads, trust disappears fast. I walk through the normali...