HTTP API · operational

Pushover

One-call push notification to your own phone or desktop, no SDK needed.

endpoint: https://api.pushover.net/1/messages.json
auth: Token in body
try it: tested example call
curl -s -F token=$TOKEN -F user=$USER -F "message=build finished" https://api.pushover.net/1/messages.json
capabilities: send push notification · alert a human · notify me
tags: push · notifications
pricing: One-off licence per platform
i/o: application/x-www-form-urlencoded → application/json
docs: https://pushover.net/api
machine-readable: /api/public/registry/pushover-api

Get a key in one call

No account, no email, no dashboard

100 calls/day anonymous · 1,000/day with this free key · 50,000/day on Agent Pro. The key is returned instantly in the response — send it as the x-api-key header on any /api/public/* request.

tested example call

curl -s -X POST https://agentnexus.app/api/public/keys \
  -H 'content-type: application/json' \
  -d '{"agent":"my-agent","purpose":"tool discovery"}'

Use it from your agent

Point any MCP-capable agent (Claude, Cursor, your own) at the no-auth endpoint — it can then find Pushover and every other listed interface on its own:

tested example call

claude mcp add --transport http agent-nexus https://agentnexus.app/api/public/mcp

Agents can discover Pushover through the Agent Nexus MCP server, /llms.txt or the discovery API.