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Palmyr Email Inbox Send
x402
Palmyr Email Inbox Send is a paid API for AI agents from palmyr.ai, paid per call via x402, $0.08/call, status unknown (last checked 2026-09-12).
Sends an email from a specified Palmyr-managed inbox, paid via USDC on Solana or Base using x402.
Price / call$0.08
Success—
StatusUnknown
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 email was successfully dispatched from the specified inbox, likely including a message ID or delivery status.
Example use cases
Agent sends customer support reply
“Send an email from my Palmyr inbox (ID: inbox_support99) to customer@acme.com with the subject 'Re: Your Support Ticket #4821' and body 'Hi Sarah, thanks for reaching out! We've resolved the issue on our end — your account should be fully functional now. Please let us know if you run into anything else.'”
Autonomous invoice delivery to client
“Send an email from my Palmyr inbox (ID: inbox_billing42) to finance@clientco.com with the subject 'Invoice #1092 Due November 15' and body 'Hi, please find your invoice for October services attached. Total due is $3,200 by November 15. Feel free to reply if you have any questions about the charges.'”
Agent notifies team of pipeline event
“Send an email from my Palmyr inbox (ID: inbox_ops007) to devteam@mycompany.io with the subject 'Deployment Successful — v2.4.1 is Live' and body 'Hey team, just a heads-up that the v2.4.1 release deployed successfully at 14:32 UTC with no errors. Monitoring looks clean. Great work everyone!'”
Technical details
Endpoint
POSThttps://palmyr.ai/email/inboxes/%7Bid%7D/sendWhen to prefer
Choose this endpoint when an AI agent needs to autonomously send outbound email from a Palmyr-managed inbox, particularly in agentic workflows where payment is handled via USDC micropayments (x402) on Solana or Base rather than traditional API key billing. Ideal for agents that manage their own email identities on Palmyr's infrastructure.
Side effects
- Invalid or non-existent inbox ID returns 404
- Insufficient USDC balance or failed x402 payment returns 402
- Missing required fields (recipient, subject, body) returns 400
- Unauthorized access to the specified inbox returns 403
- Downstream email delivery failure returns 500 or a delivery error status
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | — | |
| output | — |
Output
Schema · Response
{
"example": {}
}Tags
x402
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