Build better apps with Conjoin, faster
Build and scale your applications with cloud infrastructure that works.
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Backend services that work together
Manage auth, storage, messaging, and payments from one platform with consistent APIs, unified billing, and complete documentation.
Messaging
Send transactional emails and SMS to customers with delivery tracking and template management
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Auth
Add sign-up, login, and password reset to your app with OAuth providers and MFA support
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Storage
Upload, store, and serve images, videos, and files with automatic CDN distribution
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Billing
Accept payments, manage subscriptions, and handle invoicing with Stripe integration
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Relay
Schedule messages to endpoints, manage queues with automatic retries, and broadcast real-time events to connected clients
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Backend services, unified
One SDK for everything your backend needs
Messaging, authentication, storage, AI, billing, and background jobs through a single integration. Each service works independently, and they connect when you need them to.
99.9% delivery rateEmail and SMS through one API
Call one endpoint to send password resets, order confirmations, newsletters, and promotional campaigns. Messages route through pre-warmed IPs with DKIM, SPF, and DMARC authentication configured automatically.
Your marketing team updates a welcome email template in the dashboard. The next user who signs up receives the updated version without waiting for a deployment cycle.
< 10ms token verificationUser identity without building auth from scratch
Secure authentication APIs with password hashing, breach detection, OAuth, SAML SSO, directory sync, and MFA. Add user registration with email verification and session management in under an hour.
Enable Google sign-in with one endpoint. Users click the Google button, authenticate, and land back in your app with a valid session. No redirect debugging required.
99.999999999% durabilityUpload files and serve them globally
Store user uploads, application assets, and backups with eleven nines durability across US, EU, and Asia regions. Generate signed URLs, resize images on-the-fly, and distribute content through a global CDN.
Accept profile pictures in your user settings page today. Upload the file blob to the API endpoint. The response includes a permanent CDN URL you store in your database.
Zero ETL pipelinesPrivate data meets AI with permission enforcement
Feed your Storage files and Database records to AI models. Queries respect your existing auth permissions. If a user cannot access a file, they cannot query it through AI.
A legal team searches 50,000 contracts using natural language. Enable indexing on the contracts container. Users ask questions in plain English and get answers from documents they have permission to access.
150+ currencies supportedPayments and subscriptions through a unified API
Accept credit cards, Apple Pay, Google Pay, and local payment methods. Create subscriptions with trials, proration, and automatic retries. Conjoin routes payments through Stripe or Paystack based on your jurisdiction.
A customer upgrades from the $29 price to $99 mid-cycle. Call the update subscription endpoint with the new price ID. Proration calculated automatically, card charged for the difference.
< 100ms message latencyBackground jobs and real-time events without servers
Schedule tasks that call your HTTP endpoints with payloads. Manage queues with priority levels and rate limiting. Broadcast real-time events to connected clients with presence tracking.
Process uploaded videos by scheduling a task with the video ID. The task calls your /api/process-video endpoint with the payload. Your function runs and returns. No workers needed.
Ship your application today
Start building with Conjoin today. Free tier includes everything you need to prototype and launch. Scale when you're ready.