# Notification APIs for AI agents (slim)

> 7 notifications ranked by the Anchor benchmark. Leader Novu (BB). APIs that send one message to a person across push, in-app, email, SMS and chat, with preferences, batching and delivery tracking. Compared on channels, workflow logic, user preferences and price per notification.

- Full: https://www.anchorterminal.com/categories/notifications.md (~2,350 tokens) · this version ~430 tokens · JSON https://www.anchorterminal.com/categories/notifications.json · canonical https://www.anchorterminal.com/categories/notifications
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05

- Tools: 7 · agent-ready (BB+): 3 · accept x402: 0 · JSON: https://www.anchorterminal.com/api/v1/tools.json · by capability: https://www.anchorterminal.com/api/v1/capabilities.json
- Capabilities: notify.push, notify.in-app, notify.multichannel, notify.preferences, notify.digest

| # | Tool | Grade | Score | Confidence | x402 | Auth | Where | Slim |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 19 | Novu | BB | 77.4 | high | no | OAuth or key | hosted | https://www.anchorterminal.com/tools/novu.min.md |
| 65 | SuprSend | BB | 72.9 | medium | no | API key | hosted + local | https://www.anchorterminal.com/tools/suprsend.min.md |
| 96 | Courier | BB | 70.5 | medium | no | API key | hosted | https://www.anchorterminal.com/tools/courier.min.md |
| 110 | OneSignal | B | 69.6 | medium | no | OAuth or key | hosted | https://www.anchorterminal.com/tools/onesignal.min.md |
| 155 | Knock | B | 66.8 | medium | no | OAuth or key | hosted | https://www.anchorterminal.com/tools/knock.min.md |
| 226 | ntfy | C | 61.6 | medium | no | OAuth or key | hosted | https://www.anchorterminal.com/tools/ntfy.min.md |
| 334 | Pushover | D | 53.3 | medium | no | API key | hosted | https://www.anchorterminal.com/tools/pushover.min.md |