# StableEmail
> Send email, buy dedicated inboxes, manage custom subdomains, and retrieve inbound messages through per-request email APIs. Supports shared relay sending, subdomain sender identities, forwarding inboxes, message storage, and attachment access.

## Agent Summary
- FQN: `merit-systems/stableemail/email`
- Category: messaging
- Operator: merit-systems
- Origin: stableemail
- Version: 
- Endpoints: 24
- Pricing: $0.001-$8.00
- HTML page: https://pay.sh/services/merit-systems/stableemail/email
- Markdown page: https://pay.sh/services/merit-systems/stableemail/email/index.md

## Service URLs
- Gateway: https://stableemail.dev
- Source: solana-foundation/pay-skills
- Source path: providers/merit-systems/stableemail/email/PAY.md
- Source skill: pay-skills

## Use Case
Use for sending outbound emails, creating receiving inboxes, reading inbound messages, managing custom email subdomains, agent email workflows, forwarding inboxes, reply handling, verification messages, customer outreach, and per-message email delivery.

## Endpoint Table
| Method | Path | Pricing | Description |
| --- | --- | --- | --- |
| POST | api/inbox/buy | free | Buy an inbox on stableemail.dev ($1, 30 days). forwardTo is optional — omit it to use as a programmatic mailbox via the messages API (retainMessages enabled automatically). Message content and attachments are retained for 90 days. |
| POST | api/inbox/cancel | free | Cancel inbox and get pro-rata refund (free) |
| POST | api/inbox/messages | $0.001/requests | List messages in your inbox ($0.001) |
| POST | api/inbox/messages/delete | free | Delete a single inbox message (free) |
| POST | api/inbox/messages/read | $0.001/requests | Read a single inbox message ($0.001). Returns text, HTML, and attachment download URLs (1hr expiry). Message content available for 90 days from receipt. |
| POST | api/inbox/send | $0.005/requests | Send email from your forwarding inbox on stableemail.dev ($0.005) |
| GET | api/inbox/status | free | Check inbox status (free) |
| POST | api/inbox/topup | $1.00/requests | Top up a forwarding inbox for 30 days ($1) |
| POST | api/inbox/topup/quarter | $2.50/requests | Top up a forwarding inbox for 90 days ($2.50, save 17%) |
| POST | api/inbox/topup/year | $8.00/requests | Top up a forwarding inbox for 365 days ($8, save 34%) |
| POST | api/inbox/update | free | Update inbox settings (free) |
| POST | api/send | $0.02/requests | Send an email from "StableEmail" <relay@stableemail.dev> ($0.02) |
| POST | api/subdomain/buy | free | Purchase a custom email subdomain on stableemail.dev ($5) |
| POST | api/subdomain/inbox/create | $0.25/requests | Create an inbox on your subdomain ($0.25). Max 100 inboxes, 500 messages each. Message content and attachments retained for 90 days. |
| POST | api/subdomain/inbox/delete | free | Delete an inbox on a subdomain (free) |
| POST | api/subdomain/inbox/list | free | List inboxes on a subdomain (free) |
| POST | api/subdomain/inbox/messages | $0.001/requests | List messages in a subdomain inbox ($0.001) |
| POST | api/subdomain/inbox/messages/delete | free | Delete a single subdomain inbox message (free) |
| POST | api/subdomain/inbox/messages/read | $0.001/requests | Read a single subdomain inbox message ($0.001). Returns text, HTML, and attachment download URLs (1hr expiry). Message content available for 90 days from receipt. |
| POST | api/subdomain/inbox/update | free | Update subdomain inbox settings (free) |
| POST | api/subdomain/send | $0.005/requests | Send email from your custom subdomain on stableemail.dev ($0.005) |
| POST | api/subdomain/signers | free | Manage authorized signers for a subdomain (free) |
| GET | api/subdomain/status | free | Check subdomain status (free) |
| POST | api/subdomain/update | free | Update subdomain settings (free) |