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CuseTheJuice Mailbox Reply to Message
x402
CuseTheJuice Mailbox Reply to Message is a paid API for AI agents from mail.cusethejuice.com, paid per call via x402, $0.01/call, status down (last checked 2026-09-15).
Replies to a specific email message in a CuseTheJuice mailbox, prepending optional text before the quoted original and sending to the Reply-To or From address.
Price / call$0.01
Success—
StatusDown
How this service works
CuseTheJuice agent email on Base USDC: create accounts, list and read email, send, reply, search, folders, attachments, trust index, password recovery, custom domains, and domain admin. Pay with x402 (Base USDC). HTTP shape: extensions.bazaar on the 402. Catalog: https://mail.cusethejuice.com/machine-mail.html
Output
A confirmation that the reply was sent, including status of the outbound message delivered to the Reply-To or From address of the original, with the quoted original included in the reply body.
Example use cases
Auto-reply to customer inquiries
“Reply to message ID 'msg789' in my CuseTheJuice inbox (username: supportagent, email: supportagent@cusethejuice.com) from the INBOX folder, saying 'Thank you for your inquiry! We've received your request and our team will get back to you within 24 hours.'”
Respond to vendor proposal email
“I got a proposal email from a vendor — reply to message ID 'prop456' in my CuseTheJuice mailbox (username: bizdev, email: bizdev@cusethejuice.com) in the INBOX folder and say 'Thanks for sending this over. We've reviewed your proposal and would like to schedule a call to discuss next steps.'”
Follow up on support ticket reply
“Reply to message ID 'ticket321' in my CuseTheJuice account (username: helpdesk, email: helpdesk@cusethejuice.com) from the Support folder, letting them know 'We've resolved the issue on our end — please let us know if you're still experiencing any problems and we'll be happy to assist further.'”
Technical details
Endpoint
POSThttps://mail.cusethejuice.com/admin-api/machine/request/replyWhen to prefer
Use this endpoint when an AI agent needs to programmatically reply to a specific received email in a CuseTheJuice mailbox, automatically quoting the original message. Prefer over the reply-all variant when you only want to respond to the original sender (not CC recipients). Suitable for automated email workflows where responses need to be triggered by message ID.
Side effects
- Invalid credentials (wrong email, username, or password) — authentication failure
- Message ID not found in the specified folder — 404 or not found error
- Source folder does not exist — folder not found error
- Payment failure via x402 — 402 response requiring USDC payment on Base
- Malformed email or missing required fields — 400 validation error
- SMTP delivery failure — downstream send error
Tags
x402
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