API & Integration Guides
// 4 in-depth guides — written for developers who have to pick an approach and live with it
In-depth guides
How to Build a REST API You Can Change Later
Resource design, pagination that survives inserts, error shapes, and versioning — the decisions that determine whether adding a field breaks someone's integration.
6 min readHow to Integrate Stripe Payments Without Losing Track of Who Paid
Checkout vs Payment Intents, why the redirect is not confirmation, webhook idempotency, and treating Stripe as the source of truth for subscription state.
5 min readHow to Add Email Notifications That Reach the Inbox
SPF, DKIM, and DMARC in plain terms, transactional vs marketing separation, and why sending from your main domain risks everything you send.
6 min readHow to Set Up Webhooks on Both Sides of the Connection
Signature verification, idempotency, retry with backoff, and why receiving webhooks means accepting duplicate and out-of-order delivery as normal.
5 min read