# Novu **Canonical:** https://apis.io/providers/novu/ **Website:** https://novu.co **APIs profiled:** 19 Novu is the open-source notification infrastructure for developers. A single REST API and workflow engine route a triggered event across in-app inbox, email, SMS, push, chat (Slack / Discord / MS Teams / WhatsApp) and custom channels — with subscriber preferences, topics, digest, snooze, and full workflow orchestration on top. Ships with the embeddable React Inbox component, the Novu Framework for code-first workflow authoring, language SDKs for nine ecosystems, a Postman collection, an MCP server, GitHub Action sync, the Maily block-based email editor, framework starters for Next.js / Remix / Nuxt / SvelteKit, and webhook bridges for Stripe / Clerk / Segment. ## Kin Score — 67.1 / 100 (exemplar) Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 67.1). | Facet | Score | |---|---| | Discoverability | 75.9 | | Contract Quality | 85.2 | | Governance | 28.8 | | Contract Governance | 28.8 | | Operational Transparency | 57.9 | | Developer Ergonomics | 54.8 | | Commercial Clarity | 77.6 | | Access Clarity | 77.6 | Regulatory layer — **Telecommunications**: 34.7 (matched via tags). ## Agent readiness — 46.2 (agent-ready) | Dimension | Value | |---|---| | Spec Presence | yes | | Agentic Access | derived | | Reversibility Documented | no | | MCP Server | no | | Auth Clarity | yes | | Idempotency | no | | Error Semantics | verified | | OpenAPI Examples | verified | | Rate Limit Signal | verified | | Event Surface Described | derived | | Agent Skills | no | | Well Known Catalog | no | | Consent Identity | no | | Agent Card | no | | Dry Run Mode | no | ## Access Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high). ## APIs (19) - **Novu Inbox / In-App API** — Client-side API and React Inbox component for rendering an embedded in-app notification center, marking notifications as read / archived / snoozed, and managing per-user notific... - **Novu Framework (Code-First Workflows)** — Code-first workflow framework that lets developers define notification workflows in TypeScript / JavaScript using `@novu/framework`, then sync them to Novu Cloud (or a self-host... - **Novu MCP Server** — Official Model Context Protocol server exposing the Novu REST API surface as MCP tools so AI agents (Claude Desktop, Cursor, agent frameworks) can trigger workflows, manage subs... - **Novu Activity API** — The Activity API from Novu — 1 operation(s) for activity. - **Novu Channel Connections API** — The Channel Connections API from Novu — 2 operation(s) for channel connections. - **Novu Channel Endpoints API** — The Channel Endpoints API from Novu — 2 operation(s) for channel endpoints. - **Novu Contexts API** — The Contexts API from Novu — 2 operation(s) for contexts. - **Novu Domains API** — Used to manage your inbound email domains. - **Novu Environment Variables API** — The Environment Variables API from Novu — 3 operation(s) for environment variables. - **Novu Environments API** — Environments allow you to manage different stages of your application development lifecycle. Each environment has its own set of API keys and configurations, enabling you to sep... - **Novu Events API** — Events represent a change in state of a subscriber. They are used to trigger workflows, and enable you to send notifications to subscribers based on their actions. - **Novu Integrations API** — With the help of the Integration Store, you can easily integrate your favorite delivery provider. During the runtime of the API, the Integrations Store is responsible for storin... - **Novu Layouts API** — Layouts are reusable wrappers for your email notifications. - **Novu Messages API** — A message in Novu represents a notification delivered to a recipient on a particular channel. Messages contain information about the request that triggered its delivery, a view ... - **Novu Notifications API** — The Notifications API from Novu — 2 operation(s) for notifications. - **Novu Subscribers API** — A subscriber in Novu represents someone who should receive a message. A subscriber's profile information contains important attributes about the subscriber that will be used in ... - **Novu Topics API** — Topics are a way to group subscribers together so that they can be notified of events at once. A topic is identified by a custom key. This can be helpful for things like sending... - **Novu Translations API** — Used to localize your notifications to different languages. - **Novu Workflows API** — All notifications are sent via a workflow. Each workflow acts as a container for the logic and blueprint that are associated with a type of notification in your system. ## Agentic access (1) - **Novu Agentic Access** — 135 operations · 92 acting · 92 human-in-the-loop ## Security (2) - **Novu Authentication** — apiKey · 1 scheme - **Novu Domain Security** — TLSv1.3 · HSTS · DMARC ## Plans (1) - **Novu Plans Pricing** ## Use cases (9) - **Product Onboarding** — Welcome sequences combining transactional email, in-app inbox messages, and reminders. - **Transactional Notifications** — Order confirmations, password resets, magic links, payment receipts, and shipping updates. - **Real-Time Collaboration Alerts** — Comment mentions, document shares, and review requests delivered to the in-app inbox and email. - **Subscription Lifecycle** — Trial reminders, renewal warnings, dunning, and cancellation flows driven by billing events. - **Authentication Events** — Sign-up confirmations, MFA prompts, suspicious-login alerts, and OTP codes. - **Marketing Broadcasts** — Product announcements and weekly digests fanned out via topics. - **Operational Alerts** — On-call paging, deploy notifications, and incident updates routed through Slack / MS Teams. - **Multi-Tenant SaaS** — Per-customer routing using tenant context and subscriber data inheritance. - **AI Agent Notifications** — Agent workflows triggering Novu via the MCP server to keep humans in the loop. ## Tags Notification, Messaging, In-App, Email, SMS, Push, Chat, Workflows, Open-Source, Subscribers, Topics, Inbox, Workflow Orchestration, Multi-Channel, Digest, MCP, Framework, React --- Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/novu/). Scores are computed from the provider's own public artifacts under a published rubric.