# Services from stablephone.dev on Zero

> stablephone.dev serves 11 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/stablephone.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/stablephone.dev/health.json

## Services

- [StablePhone AI Call](https://www.zero.xyz/c/stablephone-call-9dc16e0e/llms.txt): $0.54/call via x402, rated 4.5/5 (16 reviews). Initiates an AI-powered outbound phone call to a US number with a specified task/script, returning a call_id for status tracking.
- [StablePhone Call Status & Transcript](https://www.zero.xyz/c/stablephone-id-147464fc/llms.txt): free, rated 4.8/5 (4 reviews). Poll the status and retrieve the transcript of a previously initiated AI phone call by its call ID.
- [StablePhone Number Top-Up](https://www.zero.xyz/c/stablephone-topup-8fc10a01/llms.txt): $15/call via MPP. Extends the expiry of an existing US phone number by 30 days, stackable, payable via x402 at $15 USDC per call.
- [StablePhone Buy Phone Number](https://www.zero.xyz/c/stablephone-number-f25c5a80/llms.txt): $20/call via x402. Purchase a dedicated US or Canadian phone number for $20 USDC, which can be used as an outbound caller ID for AI phone calls.
- [StablePhone iMessage/FaceTime Lookup](https://www.zero.xyz/c/stablephone-lookup-990b137c/llms.txt): $0.05/call via x402. Check whether a US phone number is registered for iMessage or FaceTime, returning a polling token for async results.
- [StablePhone List Phone Numbers](https://www.zero.xyz/c/stablephone-numbers-44f7a58c/llms.txt): free via MPP. Lists all phone numbers owned by the authenticated wallet on StablePhone.
- [StablePhone Lookup Status Poll](https://www.zero.xyz/c/stablephone-status-e038ca29/llms.txt): free via MPP. Polls the async status of a previously initiated iMessage/FaceTime lookup request using a token, restricted to the wallet that paid.
- [StablePhone Make AI Phone Call](https://www.zero.xyz/c/stablephone-f57f7b80/llms.txt): $0.54/call via x402. Initiates an AI-driven outbound phone call to a specified number with a given task, returning a call_id for tracking
- [StablePhone Phone Number Top-Up](https://www.zero.xyz/c/stablephone-62e5da60/llms.txt): $15/call via x402. Extends the expiry of a purchased StablePhone phone number by 30 days from its current expiration date
- [StablePhone: Buy a Phone Number](https://www.zero.xyz/c/stablephone-050c3e13/llms.txt): $20/call via x402. Purchase a dedicated phone number for use as an outbound caller ID for AI phone calls
- [StablePhone iMessage/FaceTime Lookup](https://www.zero.xyz/c/stablephone-551115bd/llms.txt): $0.05/call via x402. Checks whether a given phone number has iMessage or FaceTime enabled, returning a token to poll for the async result.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)