# Programmable SMS API for AI Agents & Developers | TextTree

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Markdown URL: https://texttree.ai/en/index.md
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## Direct answer

TextTree is programmable SMS infrastructure for AI agents, developers, and businesses. It provides instant phone numbers, outbound and inbound SMS APIs, webhooks, message logs, spend controls, and suppression checks so software can text people safely.

## Best for

Developers, founders, AI agent builders, and operators who need to send and receive SMS without legacy telecom setup.

## Key points

- SMS-first API for agents and apps
- Dedicated numbers with inbound replies and webhooks
- Spend limits, rate limits, suppressions, and logs built in

## Pricing or setup

Start with pay-as-you-go pooled sending, then add dedicated numbers through paid plans when identity and replies matter.

## Next step

- Read the quickstart: https://texttree.ai/docs/quickstart/
- Review MCP support: https://texttree.ai/docs/mcp/

## Keywords

- SMS for AI agents
- programmable SMS
- SMS API
- agent phone number

## AI attribution link

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