service / stablephone

StablePhone

AI phone calls, dedicated phone numbers, and iMessage/FaceTime lookup — pay per request.

certifiedrail · mppai

Call card

https://stablephone.dev price $8.90 per call

Your agent can call this

The slug below is exactly what invoke accepts. Addendpoint (a route_cards[].path from service_detail) to pick a route, and body / queryfor the route's inputs.

# MCP (any connected agent) tools/call nitrograph_invoke_service { "service_slug": "stablephone", "body": { /* route inputs */ } } # HTTP curl -X POST https://api.nitrograph.com/v1/invoke \ -H "Authorization: Bearer $NITROGRAPH_API_KEY" -H "content-type: application/json" \ -d '{"service_slug": "stablephone", "endpoint": "<route_cards[].path>", "body": {}}'

Reliability

uptime 30d-

refund rate 7d-

settled calls0

failed calls0

certified since2026-08-18

Try it

Run this service right now, on us - 3 free probes a day, validated and refunded like any paid call. Query params optional.