API routes — apps/api/src/routes/ structure

Hono Worker splits routes by concern under apps/api/src/routes/ \ \u2014 contact, recaptcha, razorpay, firestore, turso, auth. Each folder owns\ \ the integration with one external service."

API routes — apps/api/src/routes/ structure

Concept

Inside the umbrella Worker, routes are organised by external service / concern. Each folder owns one integration so an integration swap is contained to one folder, not threaded through the whole Worker.

How it works

apps/api/
├── src/
│   ├── routes/
│   │   ├── contact.ts        ← relay to Web3Forms / EmailJS
│   │   ├── recaptcha.ts      ← verify reCAPTCHA Enterprise tokens
│   │   ├── razorpay/         ← subscription webhook + signature verify
│   │   ├── firestore/        ← firebase-rest-firestore wrappers
│   │   ├── turso/            ← lifestream warm-cache reads
│   │   └── auth/             ← firebase-auth-cloudflare-workers verify
│   └── index.ts              ← composes routes; export type AppType = typeof app
└── wrangler.jsonc            ← custom_domain: api.oriz.in

• contact.ts — proxies submissions to the email backend (Resend or the chosen alternative). Web3Forms stays browser-only.
• recaptcha.ts — server-side verification of reCAPTCHA Enterprise tokens before any privileged action runs.
• razorpay/ — webhook signature validation + write to users/{uid}/subscription in Firestore. See subscription-flow.md.
• firestore/ — server-side reads/writes that need the service-account identity (anything App Check can’t cover from the browser).
• turso/ — read endpoints for the lifestream warm cache.
• auth/ — verifies Firebase ID tokens on incoming requests; used as middleware for all the privileged route folders above.

Why this shape

Each external service eventually gets swapped — Web3Forms could become Formspree, Razorpay could become Stripe, reCAPTCHA could become Turnstile. Folder-per-service means a swap is one folder edit, not a search-and-replace across a 5,000-line Worker. It also matches the package isolation rule on the client side — see package-isolation-rule.md.

Cross-refs

• The Worker hosting these routes → api-umbrella-hono-worker.md
• How the Razorpay webhook reaches Firestore → subscription-flow.md
• How auth verification works → cross-site-auth-via-auth-oriz-in.md

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