The API sends push notifications to mobile devices or browsers, usually with targeting, scheduling, and delivery receipts. Core to any app with a re-engagement loop.
11 API providers on the APIs.io network offer push notifications. The highest-rated are Klaviyo, Adobe Campaign, Iterable, Omnisend, Amazon SNS.
Providers
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Exemplar4Complete, well-documented, and agent-ready
This feature is a canonical term. These are the free-text strings
providers wrote in their own apis.yml that map onto it.
Email + Push + SMS + In-App + Web Push + Direct Mail channelsMobile Push NotificationsMobile push notifications and on-site messagingNotification center with email, SMS, Slack, MS Teams, mobile push, and web deliveryPush Notification MutationPush NotificationsSMS and push notifications, email alertsService: Push Notifications (APNs)Web push notifications across desktop and mobile browsers
Every feature here is available over the APIs.io API and to AI agents over MCP. Features is not yet its own endpoint on the v1 API. Reach it through catalog search and the tag graph, or the MCP server.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for features
3 MCP tools reach this
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.