Better I18NBetter I18N

Register Your App

Get a client_id to start integrating with Better i18n OAuth 2.0.

How registration works

OAuth applications are registered by the Better i18n team during partner onboarding. We create the application record in our database with your app's details and send you back a client_id.

Self-service registration is coming soon. For now, reach out to us at [email protected] or through your existing contact to get started.

What we need from you

FieldDescription
App nameWhat users see on the consent screen
Icon URLSquare PNG or SVG, ≥ 64×64 (optional but recommended)
Redirect URIsWhere we send users after authorization. Byte-for-byte match required at exchange time. HTTPS required in production; http://localhost is allowed for development. Send the full list (prod + every dev port).
Application typeweb (server-side), native (desktop/mobile), or spa (browser-only). All types use PKCE; the field is informational only.

What you'll receive

  • A client_id — your app's unique identifier
  • A client_secret — a secret key your server uses during token exchange and refresh

Store your client_secret securely — server-side only. Treat it like a database password. Never embed it in browser bundles, mobile binaries, environment files committed to Git, or public repos. If compromised, contact us immediately — we'll rotate it and invalidate existing tokens.

SPA or native apps that cannot safely store a secret may request a PKCE-only public client instead. Contact us during onboarding to discuss your architecture. Server-side applications always use client_secret.

What you'll need on your side

  • A redirect URI endpoint (e.g., https://yourapp.com/oauth/callback)
  • A backend to handle the callback and store client_secret, refresh_token, and grant_id securely
  • Your client_secret available as an environment variable (e.g., BETTER_I18N_CLIENT_SECRET)

Local development: Include the dev callback for your app in your redirect URIs (e.g., http://localhost:3000/oauth/callback). HTTP without TLS is allowed for localhost only. The Better i18n side you're calling against is http://localhost:5173 if you're running our dashboard locally — see Local development.

Dynamic Client Registration (advanced)

If your platform programmatically provisions integrations, we support RFC 7591 Dynamic Client Registration at:

POST https://api.better-i18n.com/api/auth/mcp/register

This endpoint is rate-limited and requires prior arrangement. Contact us if you need automated registration.

Next step

Once you have a client_id, start the authorization flow.

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