A phone number for your AI agent: one it texts from
To text an AI assistant from your phone, you need a messaging API, not a voice line. The realistic options are an SMS number from Twilio or Telnyx, a Telegram bot, or a managed iMessage API such as Claw Messenger, where the sending number is assigned for you. If people will call the agent, use a voice tool such as Vapi, Bland or AgentPhone instead.
The short answer
Claw Messenger gives an agent a number to text from without renting one: $5 a month for 250 messages, with iMessage, RCS and SMS. The sending number is assigned automatically and shared across accounts. Messages with the contacts you register route straight to your agent.
- Best for
- A personal assistant or small agent you want to text from an iPhone, with no Mac and no number to register with carriers.
- Not for
- Voice calls, a number you own and can port, or high-volume outreach.
At a glance: the number a Claw Messenger user gets
| Self-serve plans | Sending number assigned automatically, shared across accounts. You do not pick it. |
|---|---|
| Bring your own number | Not supported |
| Who can reach the agent | Phone numbers you register. Unknown numbers are blocked by default. |
| Registered numbers | Base 1, Growth 5, Plus 20, Pro 50 |
| Agency sub-tenants | Each sends from its own visible number, distinct within the agency, from a pooled line inventory. $199/month each. |
| Channels | iMessage, with automatic RCS and SMS fallback |
| Voice calls | Not supported |
| Mac required | No |
Ways to give an agent a number it texts from
Prices below are the providers' own published figures, checked November 6, 2026. US numbers and US messaging only.
| Option | What the number is | Channels | Published price | What you set up |
|---|---|---|---|---|
| Twilio | A number you rent and keep | SMS, MMS (green bubbles on iPhone) | $1.15/month local number; SMS $0.0083 per segment each way, plus carrier fees | A2P 10DLC brand and campaign registration, an inbound webhook, your own reply logic |
| Telnyx | A number you rent and keep | SMS, MMS (green bubbles on iPhone) | $1/month local number plus $0.10/month for SMS; SMS $0.004 per part each way, plus carrier fees | 10DLC registration, an inbound webhook, your own reply logic |
| Telegram bot | No phone number. A bot username in the Telegram app | Telegram only | Bot API is free | Create the bot with BotFather, then poll or set a webhook. You message it first. |
| Claw Messenger (self-serve) | Assigned automatically, shared across accounts | iMessage, RCS, SMS | $5/month for 250 messages, number included | Register your phone, keep a WebSocket listener running |
| Claw Messenger (Agency) | Its own visible number per sub-tenant, distinct within your agency, from a pooled inventory | iMessage, RCS, SMS | $199/month per sub-tenant, 1,000 messages included, $250 one-time onboarding | Request access; invite-only |
| AgentPhone | A number bought through its API | SMS, MMS, voice; iMessage lines extra | $3/number/month; SMS 2¢ per segment; iMessage line $150 (inbound-only) or $250/month | One webhook for calls and texts |
Sources: Twilio US SMS pricing, Telnyx pricing, Telegram Bot API, AgentPhone pricing, Claw Messenger pricing.
A texting number and a voice line are different jobs
Most search results for “phone number for AI agent” are voice products. They answer calls with speech-to-text, a model, and text-to-speech, and they bill by the minute. That is the right tool for a receptionist or an outbound calling agent. It is the wrong tool if you want to text your assistant from your phone and have it text back.
A texting number needs three things: a number or line that can send and receive messages, a way for inbound messages to reach your agent, and a way for the agent to send. Messages are billed per message or per plan, not per minute, and the agent can take as long as it needs to think before it replies.
What number does a Claw Messenger account text from?
You don't bring your own number. Each account gets a sending number assigned automatically (shared across accounts). When you register an end user's number, messages between them and that sender route straight to your API. Treat it as the service's number, not one you own: it is not reserved for your account, you cannot port it, and it can change.
In return, the entry price is $5 a month, with no carrier, number or per-message surcharges on standard plans. You skip renting a number, carrier registration and the Mac that iMessage would otherwise need.
Agencies that run an assistant per client can request the Agency tier. Each sub-tenant sends from its own visible number, distinct from the consumer line and from every other sub-tenant in that agency. Those lines come from a pooled inventory, so the number is distinct within your account, not reserved for you alone. See how Claw Messenger phone numbers work, Agency and plans and limits.
Set up a personal assistant you text from your iPhone
- Start the 7-day trial (card required) and copy the API key from the dashboard.
- Register your own phone number as the contact the agent can talk to.
- Connect your agent: the OpenClaw plugin, the MCP server, or a WebSocket listener from the quickstart.
- Send one test message, reply from your phone, and confirm the reply reaches the agent.
- Save the sending number as a contact on your phone, for example “Assistant”.
For reminders and updates, your code decides when to send. A scheduler or the agent itself can message your registered number at any time, within your plan's monthly allowance. Messages count in both directions.
When to rent a number from Twilio or Telnyx instead
Rent a number when you need one you control: a number printed on a website, a number you can port, toll-free, voice calls on the same line, or international reach. Both providers are mature and cheap per message.
The cost is setup. Twilio says anyone sending application SMS over a US 10DLC number must register for A2P 10DLC, hobbyists included. On Twilio a sole-proprietor or low-volume brand costs $4.50 once, campaign vetting $15 per submission, and the campaign $1.50 to $10 a month depending on type (source: Twilio A2P 10DLC fees). You host a webhook endpoint for inbound messages, verify its signatures, and write the glue between the webhook and your agent. Messages to iPhones arrive as SMS, not iMessage. See the messaging API comparison for per-message prices and reply patterns.
When a Telegram bot is enough
If you are the only user and you already use Telegram, a bot is the fastest free option. It has no phone number: you open a chat with the bot's username, and the bot can reply once you have started the chat. It will not reach people through the iPhone Messages app.
When you need a voice tool instead
If people will call the agent, use a voice platform. These are the tools most often recommended for “AI agent phone number”, with their own published terms, checked November 6, 2026:
| Tool | Built for | Number | Voice price | Texting |
|---|---|---|---|---|
| Vapi | Voice agents for developers | 1 free number (inbound calls only); import from Twilio or Telnyx | $0.05/min hosting, plus models and telephony | Inbound SMS only on imported Twilio US numbers; the assistant cannot text first |
| Bland | Enterprise voice agents | $15/month per number; Agent Phone Plan $19.99/month | $0.14/min (Start), $0.12/min (Build), telephony extra | SMS on Enterprise and Agent Phone Plan, $0.02 per message; iMessage Enterprise only |
| AgentPhone | Calls and texts for AI agents | $3/number/month, US and Canada | 13¢/min (22¢ hosted) | SMS 2¢ per segment; iMessage line $150 or $250/month |
Claw Messenger does not do voice calls. If your agent needs both a voice line and iMessage, a voice platform plus a messaging API, or AgentPhone on its own, will fit better.
Questions
How do I give my AI assistant a phone number I can text?
Pick a texting API and connect it to your agent. Rent an SMS number from Twilio or Telnyx and handle its webhooks, use a Telegram bot if a chat app is fine, or use a managed iMessage API such as Claw Messenger, which assigns the sending number for you and delivers your replies to the agent. Register your own phone as the contact, then text it like a person.
Does a Claw Messenger account get its own phone number?
Not on self-serve plans. Each account sends from a number assigned automatically and shared across accounts. You do not choose it or bring your own. Messages between that number and the contacts you register route to your API. Agency sub-tenants each send from their own visible number, distinct within the agency account but drawn from a pooled line inventory, so it is not reserved for you alone.
Can my AI assistant text me first, for example with reminders?
Yes, with a texting API. Your code decides when to send, so a scheduler or the agent itself can send reminders to a registered number. Voice-first tools differ: Vapi's SMS docs say only customers can start an SMS conversation.
Do I need a voice AI tool to give an agent a phone number?
Only if people will call it. Vapi, Bland and AgentPhone run voice agents on phone numbers. If you only need to text the agent, a messaging API is simpler and cheaper.
Will texts from my AI agent show as blue bubbles on iPhone?
Only if the service sends iMessage. A Twilio or Telnyx long-code number sends SMS or MMS, which shows as green bubbles. Claw Messenger, Sendblue, Blooio and AgentPhone's iMessage lines send iMessage to iPhones.
Related guides
- Messaging APIs for AI agents compared
- How to add iMessage to a Twilio setup
- Give an OpenClaw agent a phone number
- What AI agent texting costs
- Claw Messenger plans and limits
- Best iMessage API options compared by buyer
Claw Messenger publishes this page. We sell one of the products compared. Rival facts come from each provider's own site, checked November 6, 2026. If something is out of date, tell us.
Text your agent from your phone. $5/month for 250 messages, number assigned for you, no Mac.
Start the 7-day trial