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About

Campfire SMS is a hosted, two-way SMS bridge for developers who use AI coding agents. It connects an agent running in a local session—or a configured cloud agent—to a verified phone number, sending task updates and questions to the user’s regular text inbox and passing replies back to the agent. The service supports MCP-compatible clients, with setup instructions for Codex, Claude Code, Cursor, Grok Build, OpenCode, and Grok Bot. Local agents require the computer and session to remain active; configured Grok Bot routines can run in the cloud while the computer is off. Users can receive build or test completion notices, respond to agent questions, and guide ongoing coding work away from the desk. SMS delivery uses a hosted account and message credits; the agent’s own model, tools, and task execution remain in the agent environment.

About

The Grok Voice Agent API is SpaceXSI's new developer platform for building fast, intelligent, and multilingual voice agents. It is powered by the same in-house voice technology used by Grok Voice in mobile apps and Tesla vehicles. The API enables voice agents to speak dozens of languages, call tools, and search real-time data. Grok Voice Agents are engineered for low latency, delivering audio responses in under one second. The platform ranks first on the Big Bench Audio benchmark for voice reasoning performance. Developers benefit from a simple, flat pricing model based on connection time. The Grok Voice Agent API brings production-proven voice intelligence to custom applications.

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Software developers and teams who run AI coding agents on long tasks

Audience

The Grok Voice Agent API is ideal for developers, startups, and enterprises building multilingual, real-time voice assistants for customer support, automotive, healthcare, finance, and conversational AI applications

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$5 one-time
$8 per month includes 500 messages; renews automatically and unused monthly messages do not roll over. A one-time pack starts at $5 for 200 messages; purchased credits do not expire. Each sent or received text counts as one message. 40 introductory messages are available after phone verification without a credit card. Carrier message and data rates may apply.
Free Version Not Supported
Free Trial Supported

Pricing

$0.05 per minute
$0.05 per minute of connection time
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Campfire SMS
Founded: 2026
United States
campfiresms.com

Company Information

SpaceXSI
Founded: 2023
United States
x.ai

Alternatives

Alternatives

Orca

Orca

Stably AI
Grok Build

Grok Build

SpaceXSI

Categories

AI Coding Agents Supported

Categories

AI Models Supported
AI Voice Agents Supported

Integrations

Claude Code Supported
Codex CLI Supported
Cursor Supported
Grok Not Supported
Grok Build Supported
Grok Voice 3.0 Not Supported
Grok Voice Think Fast 1.0 Not Supported
Grok Voice Think Fast 2.0 Not Supported
Model Context Protocol (MCP) Supported
OpenCode Supported

Integrations

Claude Code Not Supported
Codex CLI Not Supported
Cursor Not Supported
Grok Supported
Grok Build Not Supported
Grok Voice 3.0 Supported
Grok Voice Think Fast 1.0 Supported
Grok Voice Think Fast 2.0 Supported
Model Context Protocol (MCP) Not Supported
OpenCode Not Supported
Claim Campfire SMS and update features and information
Claim Campfire SMS and update features and information
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Claim Grok Voice Agent and update features and information