# NotificationAPI

**Canonical:** https://apis.io/providers/notificationapi/  
**Website:** https://www.notificationapi.com/  
**APIs profiled:** 7

NotificationAPI is notifications infrastructure for developers. A single REST API and drop-in in-app inbox component send multi-channel notifications - email, SMS, mobile and web push, in-app inbox, automated voice call, and Slack - while managing user identities, per-user preferences and opt-outs, templates, scheduling, and delivery logs. All calls are scoped to a clientId and authenticated with HTTP Basic auth.

## Kin Score — 36.7 / 100 (thin)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 36.7).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 56.5 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 34.2 |
| Developer Ergonomics | 23.8 |
| Commercial Clarity | 39.5 |
| Access Clarity | 39.5 |

Regulatory layer — **Telecommunications**: 16.7 (matched via tags).

## Agent readiness — 24.8 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | verified |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (7)

- **NotificationAPI In-App Inbox API** — Read and update a user's in-app (INAPP_WEB) notifications.
- **NotificationAPI Logs API** — Query delivery and event logs.
- **NotificationAPI Notifications API** — Configure notifications and their subNotifications.
- **NotificationAPI Schedule API** — Update or delete scheduled notifications.
- **NotificationAPI Send API** — Send and retract notifications across channels.
- **NotificationAPI User Preferences API** — Read and write per-user channel and opt-out preferences.
- **NotificationAPI Users API** — Identify and manage the users you notify.

## Agentic access (1)

- **Notificationapi Agentic Access** — 12 operations · 11 acting

## Security (2)

- **Notificationapi Authentication** — http · 1 scheme
- **Notificationapi Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Notificationapi Plans Pricing**

## Tags

Notification, Messaging, Email, SMS, Push, In-App Inbox

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/notificationapi/). Scores are computed from the provider's own public artifacts under a published rubric.