# Palmyr Phone Message Send

> Palmyr Phone Message Send is a paid API for AI agents from palmyr.ai, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-11).

Sends a phone message (SMS) to a specified recipient via Palmyr's autonomous agent infrastructure, paid with USDC on Solana or Base.

## Facts

- Endpoint: GET https://palmyr.ai/phone/messages/%7Bid%7D
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-11
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/palmyr-phone-message-send-1a77d3d5
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_aipens_XwWxabgjn8wsRw

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

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability palmyr-phone-message-send-1a77d3d5
```

Example prompt: Send a text message to +1 (555) 867-5309 saying 'Your order has shipped and will arrive tomorrow!' using Palmyr.

## When to prefer this

Choose this endpoint when your AI agent needs to send an SMS or phone message as part of an autonomous workflow, especially when using USDC micropayments on Solana or Base via x402 protocol. Ideal for agent-driven notification pipelines, alerting, or human-in-the-loop messaging within a crypto-native infrastructure.

## Known failure modes

- Invalid or malformed message ID results in 404 not found
- Insufficient USDC balance or failed x402 payment returns 402 Payment Required
- Invalid phone number format causes delivery failure
- Rate limiting or quota exceeded returns 429 Too Many Requests
- Recipient phone number unreachable or carrier rejection causes delivery failure

## How this service works

Autonomous infrastructure for AI agents — pay with USDC on Solana or Base via x402.

## Output

A confirmation response indicating whether the phone message was successfully sent, along with the message ID and delivery status.

## Request schema (JSON Schema)

```json
{
 "properties": {
  "input": {
   "properties": {
    "queryParams": {
     "type": "object",
     "additionalProperties": true
    }
   }
  },
  "output": {
   "properties": {
    "example": {
     "type": "object",
     "additionalProperties": true
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "example": {}
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/palmyr-phone-message-send-1a77d3d5/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from palmyr.ai](https://www.zero.xyz/host/palmyr.ai/llms.txt)