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Palmyr Phone Number SMS Send
x402
Palmyr Phone Number SMS Send is a paid API for AI agents from palmyr.ai, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-10).
Sends an SMS or message via a specific Palmyr-provisioned phone number, paid with USDC on Solana or Base via x402.
Price / call$0.05
Success—
StatusUnknown
How this service works
Autonomous infrastructure for AI agents — pay with USDC on Solana or Base via x402.
Output
The agent receives a delivery status response indicating whether the SMS was successfully dispatched, along with a message ID for tracking, after the $0.05 USDC x402 payment is processed.
Example use cases
Appointment reminders from agent
“Send a text from my Palmyr number to all customers in my queue reminding them about their appointments tomorrow and asking them to confirm by replying yes.”
Crypto transaction notifications
“When a user deposits USDC into their wallet, have my agent send them an SMS from my Palmyr number confirming the transaction ID and amount received.”
Alert delivery for autonomous systems
“My monitoring agent detected an issue — send an urgent SMS from my Palmyr number to the on-call engineer at +14155559999 with the error code and severity level.”
Technical details
Endpoint
POSThttps://palmyr.ai/phone/numbers/%7Bid%7D/sendWhen to prefer
Use this endpoint when an AI agent needs to send an outbound SMS or text message from a specific Palmyr-provisioned phone number and is paying with USDC on Solana or Base via the x402 protocol. Prefer this over generic SMS APIs when operating in a crypto-native or agent-autonomous payment context.
Side effects
- Invalid phone number ID returns 404 not found
- Insufficient USDC balance causes x402 payment failure
- Malformed recipient phone number causes 400 bad request
- Palmyr infrastructure downtime causes 503 service unavailable
- Message body too long triggers validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | — | |
| output | — |
Output
Schema · Response
{
"example": {}
}Tags
x402
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