# Services from stableemail.dev on Zero

> stableemail.dev serves 37 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/stableemail.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/stableemail.dev/health.json

## Services

- [StableEmail Send](https://www.zero.xyz/c/stableemail-send-e2635eee/llms.txt): $0.020000/call via MPP, rated 5.0/5 (9 reviews). Sends an email from relay@stableemail.dev to one or more recipients with optional CC, reply-to, HTML/text body, and attachments
- [StableEmail Send (Shared Domain)](https://www.zero.xyz/c/stableemail-eb3f7fdf/llms.txt): $0.02/call via MPP, rated 4.4/5 (10 reviews). Sends an email from a shared stableemail.dev domain via the StableEmail API
- [StableEmail Buy Inbox](https://www.zero.xyz/c/stableemail-buy-150c910b/llms.txt): $1/call via MPP, rated 5.0/5 (1 review). Purchases a new email inbox on stableemail.dev for $1 USDC, valid for 30 days, with optional email forwarding or programmatic message access.
- [StableEmail Read Message](https://www.zero.xyz/c/stableemail-2b6e80ba/llms.txt): $0.001/call via x402, rated 5.0/5 (1 review). Retrieves the full content of a single inbox message, including text, HTML body, and attachment download URLs
- [StableEmail List Inbox Messages](https://www.zero.xyz/c/stableemail-904fe442/llms.txt): $0.001/call via x402, rated 5.0/5 (1 review). Lists messages in a StableEmail forwarding inbox
- [StableEmail Forwarding Inbox Send](https://www.zero.xyz/c/stableemail-send-21e55982/llms.txt): $0.005/call via x402, rated 3.7/5 (2 reviews). Sends an email from the caller's own forwarding inbox username on stableemail.dev to one or more recipients
- [StableEmail Subdomain Inbox Message List](https://www.zero.xyz/c/stableemail-messages-a0af4d20/llms.txt): $0.001/call via x402. Lists messages in a StableEmail custom subdomain inbox with pagination support
- [StableEmail List Inbox Messages](https://www.zero.xyz/c/stableemail-messages-b8055b4a/llms.txt): $0.001/call via x402. Lists messages in a StableEmail forwarding inbox by username, with optional pagination
- [StableEmail Read Inbox Message](https://www.zero.xyz/c/stableemail-read-fbedca3a/llms.txt): $0.001/call via x402. Retrieves a single inbox message by ID, returning its text body, HTML body, and time-limited attachment download URLs.
- [StableEmail Read Subdomain Inbox Message](https://www.zero.xyz/c/stableemail-read-21ef6fd7/llms.txt): $0.001/call via MPP. Retrieves the full content of a single subdomain inbox message, including text, HTML body, and time-limited attachment download URLs.
- [StableEmail Buy Custom Email Subdomain](https://www.zero.xyz/c/stableemail-buy-ac5a5e51/llms.txt): $5/call via MPP. Purchase a custom email subdomain on stableemail.dev for $5 USDC, enabling branded email addresses like yourname.stableemail.dev
- [StableEmail Cancel Inbox](https://www.zero.xyz/c/stableemail-cancel-ee37d699/llms.txt): free via MPP. Cancels an active StableEmail inbox and issues a pro-rata refund to the specified address
- [StableEmail Delete Subdomain Inbox Message](https://www.zero.xyz/c/stableemail-delete-310fc98c/llms.txt): free via MPP. Permanently deletes a single message from a StableEmail subdomain inbox by message ID
- [StableEmail Delete Inbox Message](https://www.zero.xyz/c/stableemail-delete-784dbdb2/llms.txt): free via MPP. Permanently deletes a single message from a StableEmail inbox by message ID
- [StableEmail List Subdomain Inboxes](https://www.zero.xyz/c/stableemail-list-e3ed32df/llms.txt): free via MPP. Lists all inboxes associated with a given StableEmail subdomain
- [StableEmail Quarter Top-Up](https://www.zero.xyz/c/stableemail-quarter-4d20c443/llms.txt): $2.5/call via x402. Extends a forwarding inbox's expiry by 90 days for $2.50 USDC (17% savings over monthly rate)
- [StableEmail Subdomain Send](https://www.zero.xyz/c/stableemail-send-d6a260be/llms.txt): $0.005/call via MPP. Sends an email from a custom subdomain address on stableemail.dev at $0.005 per message
- [StableEmail Subdomain Signers Manager](https://www.zero.xyz/c/stableemail-signers-2022181d/llms.txt): free via MPP. Add or remove authorized wallet addresses as signers for a StableEmail custom subdomain
- [StableEmail Inbox Status Check](https://www.zero.xyz/c/stableemail-status-afb742d2/llms.txt): free via MPP. Checks the current status and expiry of a StableEmail inbox by username
- [StableEmail Subdomain DNS/SES Verification Status](https://www.zero.xyz/c/stableemail-status-8ddad223/llms.txt): free via MPP. Returns the DNS and SES verification status for a custom email subdomain on StableEmail
- [StableEmail Inbox Topup (30 Days)](https://www.zero.xyz/c/stableemail-topup-3144ae15/llms.txt): $1/call via MPP. Extends a StableEmail forwarding inbox's active period by 30 days for $1 USDC
- [StableEmail Update Inbox Settings](https://www.zero.xyz/c/stableemail-update-34575c5e/llms.txt): free via MPP. Update forwarding address and message retention settings for a StableEmail inbox
- [StableEmail Update Subdomain Inbox Settings](https://www.zero.xyz/c/stableemail-update-8f8576c6/llms.txt): free via MPP. Updates the forwarding address and message retention settings for a subdomain inbox on StableEmail
- [StableEmail Update Subdomain Settings](https://www.zero.xyz/c/stableemail-update-978fd766/llms.txt): free via MPP. Update catch-all forwarding settings for a custom email subdomain on StableEmail
- [StableEmail Inbox Annual Top-Up (365 Days)](https://www.zero.xyz/c/stableemail-year-635db01d/llms.txt): $8/call via MPP. Extends a StableEmail forwarding inbox subscription by 365 days for $8 USDC, offering a 34% discount over monthly renewals.
- [StableEmail Delete Subdomain Inbox](https://www.zero.xyz/c/stableemail-delete-e0394ba4/llms.txt): free via MPP. Permanently deletes a specific email inbox on a custom subdomain managed by StableEmail
- [StableEmail Inbox Purchase](https://www.zero.xyz/c/stableemail-fba52642/llms.txt): $1/call via x402. Purchases a new email inbox on stableemail.dev for 30 days, optionally with a forwarding address, for $1 USDC
- [StableEmail Inbox Send (Own Address)](https://www.zero.xyz/c/stableemail-e28b216d/llms.txt): $0.005/call via x402. Sends an email from the user's own StableEmail inbox/forwarding address rather than the shared relay address
- [StableEmail Inbox Messages List](https://www.zero.xyz/c/stableemail-0d030fff/llms.txt): $0.001/call via x402. Lists all messages in a StableEmail subdomain inbox
- [StableEmail Subdomain Send](https://www.zero.xyz/c/stableemail-00f732ab/llms.txt): $0.005/call via MPP. Send an email from a custom subdomain address purchased on StableEmail
- [StableEmail Read Message](https://www.zero.xyz/c/stableemail-4ec33f4b/llms.txt): $0.001/call via x402. Retrieves the full content of a single email message from a StableEmail subdomain inbox
- [StableEmail Subdomain Purchase](https://www.zero.xyz/c/stableemail-0ecc0338/llms.txt): $5/call via x402. Purchase a custom subdomain on stableemail.dev for use as a personalized email address
- [StableEmail Inbox Quarterly Top-Up](https://www.zero.xyz/c/stableemail-7bc76ac8/llms.txt): $2.5/call via x402. Extends an existing StableEmail inbox by 90 days for $2.50 USDC (17% savings over the monthly rate)
- [StableEmail Inbox Top-Up (30 Days)](https://www.zero.xyz/c/stableemail-3d073de8/llms.txt): $1/call via MPP. Extends a StableEmail forwarding inbox's active period by 30 days for $1 USDC
- [StableEmail Inbox Annual Topup](https://www.zero.xyz/c/stableemail-64b01d3b/llms.txt): $8/call via MPP. Extends a StableEmail inbox subscription by 365 days for $8 USDC (34% discount over monthly rate)
- [StableEmail Subdomain Inbox Create](https://www.zero.xyz/c/stableemail-create-0718fbda/llms.txt): $0.25/call via x402. Creates a new email inbox on a custom subdomain, optionally forwarding incoming mail to another address, for $0.25 USDC.
- [StableEmail Subdomain Inbox Create](https://www.zero.xyz/c/stableemail-b7c411fb/llms.txt): $0.25/call via x402. Creates a new email inbox on a StableEmail subdomain for receiving and managing email

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

## Use cases served from this host

- [Send email](https://www.zero.xyz/use-cases/send-email/llms.txt)

- [Zero catalog index](https://www.zero.xyz/llms.txt)