Handle the errors that actually happen — Finlock API Recipe
type: Article
description: The two error body shapes, the 409 duplicate guards, and why an email failure is sometimes 422 and sometimes 502.
date published: 2026-05-17
date modified: 2026-05-17
author: Finlock
publisher: Finlock
  type: Organization
main entity of page: https://finlock.us/developers/recipes/13-handle-api-errors
article section: API Recipes