POST
/api/inbox/buy
$1.00
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/messages
$0.001
List messages in your inbox ($0.001)
POST
/api/inbox/messages/read
$0.001
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
Send email from your forwarding inbox on stableemail.dev ($0.005)
POST
/api/inbox/topup
$1.00
Top up a forwarding inbox for 30 days ($1)
POST
/api/inbox/topup/quarter
$2.50
Top up a forwarding inbox for 90 days ($2.50, save 17%)
POST
/api/inbox/topup/year
$8.00
Top up a forwarding inbox for 365 days ($8, save 34%)
POST
/api/send
$0.02
Send an email from "StableEmail" <relay@stableemail.dev> ($0.02)
POST
/api/subdomain/buy
$5.00
Purchase a custom email subdomain on stableemail.dev ($5)
POST
/api/subdomain/inbox/create
$0.25
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/messages
$0.001
List messages in a subdomain inbox ($0.001)
POST
/api/subdomain/inbox/messages/read
$0.001
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/send
$0.005
Send email from your custom subdomain on stableemail.dev ($0.005)
Install on Your Agent
Add StableEmail skills to any client
npx agentcash add https://stableemail.devTransactions
Volume
Agents