# KarFlows

## Docs

- [Meta WhatsApp API](https://docs.karflows.com/apis/meta-whatsapp.md): Send messages using connected WhatsApp Business Cloud API accounts.
- [OTP API](https://docs.karflows.com/apis/otp.md): Generate, send, and verify one-time passcodes.
- [Recipes](https://docs.karflows.com/apis/recipes.md): Real-world KarFlows API patterns for ecommerce, bookings, OTP, and support.
- [SMS REST API](https://docs.karflows.com/apis/sms.md): Send transactional SMS messages from any backend.
- [Unified Messaging API](https://docs.karflows.com/apis/unified.md): One API for WhatsApp-first delivery, SMS fallback, and OTP verification.
- [WhatsApp QR REST API](https://docs.karflows.com/apis/whatsapp-qr.md): Send WhatsApp messages from connected QR devices.
- [Authentication](https://docs.karflows.com/authentication.md): Authenticate KarFlows API requests with bearer tokens.
- [Changelog](https://docs.karflows.com/changelog.md): Track API documentation changes.
- [Channels](https://docs.karflows.com/concepts/channels.md): Understand WhatsApp QR, Meta WhatsApp, SMS, and unified delivery modes.
- [Automation Flows](https://docs.karflows.com/concepts/flows.md): Build visual workflows for chatbots, bookings, webhooks, and support handoff.
- [Sender Names](https://docs.karflows.com/concepts/sender-names.md): How SMS sender name approval works in KarFlows.
- [Unified Routing](https://docs.karflows.com/concepts/unified-routing.md): Design WhatsApp, Meta, SMS, and OTP fallback routes.
- [Introduction](https://docs.karflows.com/introduction.md): Build SMS, OTP, WhatsApp QR, Meta WhatsApp, and unified fallback messaging with KarFlows.
- [Quickstart](https://docs.karflows.com/quickstart.md): Send your first KarFlows message.
- [Error Codes](https://docs.karflows.com/reference/error-codes.md): Common API errors and how to fix them.
- [Logs](https://docs.karflows.com/reference/logs.md): Inspect delivery attempts, failures, and OTP verification history.
- [OpenAPI](https://docs.karflows.com/reference/openapi.md): Use the KarFlows OpenAPI spec to generate SDKs and API references.
- [Rate Limits](https://docs.karflows.com/reference/rate-limits.md): Protect accounts from abuse and runaway integrations.
- [Security](https://docs.karflows.com/reference/security.md): Security rules for production messaging integrations.
- [Status Model](https://docs.karflows.com/reference/status-model.md): Understand message, OTP, sender name, and top-up statuses.
- [Versioning](https://docs.karflows.com/reference/versioning.md): Keep integrations stable as KarFlows grows.
- [Webhooks](https://docs.karflows.com/reference/webhooks.md): Receive Unified API delivery and OTP events from KarFlows.
- [C#](https://docs.karflows.com/sdks/csharp.md): Use KarFlows APIs from .NET.
- [cURL](https://docs.karflows.com/sdks/curl.md): Copy-paste HTTP examples for every KarFlows API.
- [Go](https://docs.karflows.com/sdks/go.md): Use KarFlows APIs from Go.
- [Node.js](https://docs.karflows.com/sdks/node.md): Use KarFlows APIs from Node.js.
- [SDK Overview](https://docs.karflows.com/sdks/overview.md): SDK strategy for KarFlows customers.
- [PHP](https://docs.karflows.com/sdks/php.md): Use KarFlows APIs from PHP and Laravel.
- [Python](https://docs.karflows.com/sdks/python.md): Use KarFlows APIs from Python.

## OpenAPI Specs

- [karflows](https://docs.karflows.com/openapi/karflows.yaml)