Validate before dispatch
The API validates content, recipients, domain scope, and request limits before sending.
READ POLICY// 01 / DELIVERY PATHInfrastructure
Infrastructure
you can inspect.
POSTA coordinates request validation, project policy, delivery transport, provider events, and signed webhooks as one visible path.
// 02 / STAGESChoose a stage.
Choose a stage.
Inspect its role.
The public API stays small while each operational responsibility remains explicit.
Every decision has an owner.
Use one transport deliberately
A managed production transport handles delivery; POSTA owns the product-level state around it.
READ POLICYProtect reputation
Domain identity, quota, suppression, bounce, and complaint policy are evaluated around every send.
READ POLICY