Auth Hooks
Drop-in Send Email / Send SMS hooks. Supabase verifies; Zindua delivers.
Zindua for Supabase
Auth email and WhatsApp from Edge Functions. Auth Hooks or your own OTP store. Supabase verifies. You send from your Gmail and WhatsApp. Guide v1.0.0.
npm install @zindua/sdkWhatsApp as SMS
No Twilio required. Map phone OTP to WhatsApp on your Zindua line.
BYO email
Send from your Gmail / SMTP / Outlook - not a locked ESP network.
Custom OTP store
Optional Track B: hash OTP in Postgres + Edge Functions you control.
Server-only keys
ZINDUA_API_KEY lives in Edge secrets. Never NEXT_PUBLIC_.
One-click Connect
Dashboard → Integrations → Connect to Supabase. OAuth pushes Edge secrets for you.
Dashboard
Connect in one click
Pick a step. Screenshots of Integrations, then the Supabase authorize screen. Tap Zoom.
Live dashboard screenshotsStep 1/2
Choose a path
Track A or Track B
Same Zindua send API. Different ownership of OTP verify.
Recommended for AuthTrack A
Track A - Auth Hooks
Supabase generates and verifies OTP / magic links. Your Edge Function only calls POST /send.
When: signInWithOtp, recovery, confirm signup, phone Auth
examples/supabase-auth-hooks Download zipWhatsApp-firstTrack B
Track B - Custom OTP
You hash OTP in Postgres, send via Zindua, verify in Edge. Full control outside Phone Auth.
When: Custom login, multi-tenant B2B, WhatsApp without Supabase Phone
examples/supabase-otp Download zipExamples
Pick a snippet
Edge send, secrets, Auth Hooks, Postgres, or client invoke. Same Zindua send().
Edge send
POSTDeno Edge fetch to POST /send. SDK is Node-oriented.
send.ts
POST
// Deno Edge - prefer fetch (SDK is Node-oriented)const res = await fetch("https://zindua.run/api/v1/send", { method: "POST", headers: { Authorization: `Bearer ${Deno.env.get("ZINDUA_API_KEY")}`, "Content-Type": "application/json", }, body: JSON.stringify({ to: "user@example.com", template: "otp-verification", channel: "email", variables: { code: "482910", otp: "482910" }, }),});Reference
Setup, secrets, compare
Step through setup, then secrets, Resend, errors, and security.
Four steps, then a pre-deploy checklist.
Step 0101
Create a Zindua project
Dashboard → project → copy znd_live_ / znd_test_ key. Connect email Service and/or WhatsApp QR. Create template otp-verification with {{code}}.
Ready to wire Supabase?
Connect from the dashboard to push Edge secrets, or download a starter and deploy Auth Hooks yourself.